Network Knowledge Base Articles

How to get the Support Report file from a DAL device
When opening a case to Digi Tech Support related to a device running DAL OS (Note1), it is particularly useful to include a Support Report file.Generating a Support Report will take the complete co...
Jun 19, 2024
LDAP authentication on an AnywhereUSB® Plus
Starting with Firmware version 21.5, a new “Login attribute” parameter was added. This parameter allows to match the name of the username on the Windows Active Directory server. You ca...
May 12, 2024
Digi ConnectPort LTS AI Assistant
Digi ConnectPort LTS AI Assistant
Apr 15, 2024
Digi ConnectPort TS Information Assistant Bot
Digi ConnectPort TS AI Information Assistant
Mar 18, 2024
Digi Connect EZ 8/16/32 Information Assistant Bot
Digi Connect EZ 8/16/32 AI Information Assistant
Mar 07, 2024
Modifying the “sshd_config” file for ConnectPort LTS - Terrapin Fix
The “sshd_config” file is generated when system is booting.  So you need to copy the modified “sshd_config” file to /usr2 and copy it to /etc/ssh folder using /usr2/rc...”-file
Mar 06, 2024
AnywhereUSB Plus Information and Videos
Overview:This article highlights various features of AnywhereUSB Plus®, to help users gain familiarity with all the devices have to offer.General Videos:Unboxing Digi AnywhereUSB 24 P...
Mar 04, 2024
How to have USB devices connected at boot using Anywhere USB Plus
When using Anywhere USB Plus to connect some USB devices to your PC via ETH, can be needed to have those USB devices automatically connected to the PC at boot without the needs to necessarily log i...
Feb 23, 2024
Step by Step Setup of AWUSB Plus on Win10 Service
 1. Physical connection:Connect the AWUSB Plus ETH port to your PC Network (Note: on the PC Network should be present a DHCP server, as the AWUSB Plus ETH port is by default configured to get ...
Feb 21, 2024
How to set the time source on devices running the DAL Operating System.
The DAL Operating System offers two options to configure a time source. The time configuration under WebUI>Configuration>System>Time>Time sources are passed settings to the "n...
Feb 21, 2024
Digi TX64 Information Assistant Bot
Digi TX64 Information Assistant
Feb 15, 2024
Digi IX20 Information Assistant Bot
Digi IX20 AI Information Assistant
Feb 15, 2024
Digi IX30 Information Assistant Bot
Digi IX30 AI Information Assistant
Feb 15, 2024
Digi PortServer TS and Digi One Information Assistant Bot
Digi PortServer TS and Digi One AI Information Assistant
Feb 15, 2024
Digi AnywhereUSB Plus Information Assistant Bot
Digi AnywhereUSB Plus Information Assistant
Feb 15, 2024
AnywhereUSB Plus - "A device which does not exist was specified" and other USB Application errors
The following describes a Windows OS change, which can sometimes cause USB application error "A device which does not exist was specified".  The same setting can cause othe...
Feb 12, 2024
Digi AnywhereUSB Plus Rough Performance Data
Digi AnywhereUSB ® Plus Rough Performance DataDigi has benchmarked performance of the AnywhereUSB Plus products. This document shows the method Digi used and the results Digi observed.Thi...
Jan 31, 2024
How to create a CA-Signed certificate using XCA application
This article explains how to create a CA-Signed certificate using XCA application.First, we need to create Certification authority (CA) certificate. Click the Certificates tabClick the New Cer...
Jan 17, 2024
Microsoft Telnet with PortServer results in Double Carriage Return/Line Feed (CR/LF) and Failure to
Symptom:Telnetting into the PortServer (II or TS) is successful, but you may get double CR/LF, so the device on the end of the serial port sees 2 CRs and login fails. Cause:This is a known iss...
Jan 11, 2024
Which Digi serial adapter cards are compatible with Universal PCI slots that support 3.3 and 5 volts
Most of Digi's PCI adapters function in a Universal PCI slot that supports 3.3 and 5 volts. These include the following models:AccelePort C/XAccelePort RASAccelePort XemAccelePort XpAccelePort...
Jan 11, 2024
Resolving Hardware Contention, IRQ or Memory Conflict with PCI Adapters
Resolving Hardware Contention, IRQ or Memory Conflict with PCI AdaptersIRQ conflicts can result in different symptons such as: A PCI adapter may not be seen by the operating system.The system may ...
Jan 11, 2024
Are Digi PCI adapters compatible with the PCI-X slots?
Digi''''s PCI adapters are compatible with PCI-X slots in the same manner that they are compatible with the 64 bit PCI slots. Our adapters run at a bus speed of 33 MHz. Our adapters...
Jan 11, 2024
Assiging a PortServer IP address using Rarpd in UNIX
There is a method available to assign an IP address and configure the PortServer without having to attach hardware.Make a note of the MAC (hardware) address located on the sticker underneath t...
Jan 10, 2024
What type of Public Key Authentication do the Portserver TS and Digi One IAP models support?
For SSH version 2 public key authentication support on the Portserver TS, TS MEI, and Digi One IAP products, DSA public keys are supported, RSA public keys are not.
Jan 10, 2024
How to configure a Static IP address on an AnywhereUSB Plus via command-line interface (CLI)
This KB article is applicable to AnywhereUSB Plus models, which run the DAL Operating System.By default, the Ethernet interfaces on all AnywhereUSB Plus models are configured with DHCP clients enab...
Dec 28, 2023
How to install the AnywhereUSB Manager in Windows
The AnywhereUSB Manager software is specific to the AnywhereUSB Plus models and not compatible with the legacy/1st generation AnywhereUSB or G2/2nd generation AnywhereUSB models, which use differen...
Dec 28, 2023
How to update AnywhereUSB Plus firmware
Applies to:  AnywhereUSB 2 Plus, AnywhereUSB 8 Plus, AnywhereUSB 24 Plus The AnywhereUSB Plus firmware - sometimes referred to as system firmware or DAL EOS firmware - may be updated via ...
Dec 20, 2023
How to backup the configuration of an AnywhereUSB Plus device
Applies to:  AnywhereUSB 2 Plus, AnywhereUSB 8 Plus, AnywhereUSB 24 Plus The configuration of an AnywhereUSB Plus device may be saved to a file and later used to restore the configur...
Dec 20, 2023
Setting up and getting started with AnywhereUSB Plus
This article provides a link that explains what comes with each AnywhereUSB Plus model, how to install the necessary software, and how to connect the hardware. After you have verified the...
Dec 12, 2023
How to install the AnywhereUSB Plus Manager
The AnywhereUSB Plus Manager can be found on the Digi website. The steps required to find and download the Manager are defined below.Navigate to the support site on the sea...
Dec 12, 2023
How to find firmware for your product
The firmware for your Digi product can be found on the Digi website. The steps required to find and download your firmware are defined below.Navigate to the support site on the name ...
Dec 12, 2023
ConnectPort TS 8/16 (and MEI) POST update requirement for older hardware
When trying to update an older ConnectPort TS 8/16 (and MEI) to the latest firmware version, an error message might be displayed such as "unable to update firmware".In such cases, some ha...
Sep 07, 2023
PortServer, ConnectPort, AnywhereUSB, Digi One or Digi Connect device is locking up periodically
Symptom: your Digi terminal server, serial converter or AnywhereUSB hub is hanging, not responding or locking up from time to time. You can recover by performing a power cycle or reboot.root cause ...
Jul 03, 2023
AnywhereUSB Plus Firmware update failing, image failed verification
some people have reported that update to a newer firmware is failing on their AnywhereUSB Plus products.When using the feature "Download from Server", root cause of the failure might be a...
Jul 03, 2023
How to run AnywhereUSB Manager on Linux without GUI
Please note:These instructions are provided "as-is", have been tested and proven working at the time of writing. For any support or issues, an Expert Agreement will be required. ...
Jun 20, 2023
How to enable and configure routing using VLAN sub-interfaces with bonding
This article will explain how to enable and configure routing using VLAN sub-interfaces with bonding interfaces. At first step we need set up Ethernet bonding interface:     C...
Jun 20, 2023
Digi Remote Manager data usage for DAL-based products
This KB article is intended to give users an understanding of how much data the Digi Remote Manager (Digi RM) connecton/client typically uses, for Digi products that run the modern DAL Operating Sy...
Jun 15, 2023
RealPort for Windows error code 13 and 14
Issue:  When attempting to install the RealPort driver for Windows, the user may get an error code 13 or error code 14.Cause:  These errors are often caused by a hidden device reserving a...
Jun 15, 2023
How to use “Disconnect From Device” function in Anywhere USB Plus after DAL firmware
Before DAL firmware it was possible to disconnect a single USB device belonging to a connected group on Anywhere USB manager.Because of the new Power cycle on disconnect feature, introd...”-function-in-any
Feb 20, 2023
how to transfer the complete Linux log to a syslog server (DAL)
Many Digi routers and network infrastructure devices are running the Digi Accelerated Linux (DAL) operating system.In this system you can configure (several) external syslog server(s) to receive no...
Feb 15, 2023
How to switch to Anywhere USB Manager Service Mode when installed as stand-alone using CLI
One of the first steps of getting started with Anywhere USB Plus products, is to install the Anywhere USB Manager software. The best practice is to determine which Installation mode is more suitabl...
Dec 29, 2022
Windows uninstall problems AnywhereUSB Plus driver
When experiencing problems in Windows uninstalling the AnywhereUSB Manager + driver used for the AnywhereUSB Plus products:a) make sure you are uninstalling as local Windows Administratorb) make su...
Dec 23, 2022
AnywhereUSB Plus and Windows USB power saving to avoid disconnection
When remotely using USB devices plugged into a Digi AnywhereUSB or AnywhereUSB Plus product, you might run into a disconnection from the USB device.This can be caused by temporary network outage, d...
Dec 23, 2022
How to enable redundancy with IP network failure on an AnywhereUSB
In this article, we will describe How to enable redundancy with IP network failure on an AnywhereUSB 24 Plus device. The Digi AnywhereUSB/14 family had a feature called  "IP Network ...
Dec 20, 2022
Digi Remote Manager: Data Usage for DAL Products
SummaryAverage monthly data usage: 4.68MB on cellular connections18.1 MB on non-cellular connections (wired Ethernet, Wi-Fi client, PPPoE, etc)no configuration/firmware updatesDigiRM-related config...
Dec 07, 2022
Frag Attack Security Information
To all Digi International Customers,Digi’s Security Team has been reviewing nine related CVEs, more commonly known as Frag Attack. Frag Attack, or fragmentation and aggregation attacks, state...
Dec 02, 2022
Are RF module variants of two different countries compatible with each other ?
It is not possible for two Digi RF module variants (like XBee Pro SX 900) of different countries to communicate with each other. There is also no option available to make them compatible by softwar...
Sep 21, 2022
How to configure a Digi device against TACACS authentication on a Cisco ISE
1.       With Internal users identity, you have to create an account on the Cisco ISE local users database: 2.       Create a Network De...
Sep 01, 2022
How to configure Cisco Umbrella Web filtering on a Digi device
Task one:  Generate a Cisco Umbrella API token Log into the Cisco Umbrella Dashboard ( the menu, select Admin > API Keys. The API Key...
Sep 01, 2022
Python on EX-series Digi Devices
Starting in firmware version, python is not included in the base firmware for EX-series devices.  This includes the following device types: Digi EX12Digi EX12-PRDigi EX15Digi EX15...
Jun 15, 2022
3G sunset Digi firmware required updates
For reference, this article relates to the main article titled 3G Network Sunset in 2022 impact on 4G devices.  This article provides the device types and part numbers of Digi devices tha...
Mar 30, 2022
How to reset/erase the Digi Remote Manager certificate on devices running DAL firmware 22.2 or newer
This article will describe the specific situations related to the new certificate usage, in which a device running DAL firmware or newer might not be able to connect to Digi Remote Manage...
Mar 17, 2022
Script to Correct 3G Sunset Issues with Telit Modems
For reference, this article relates to the main article titled 3G Network Sunset in 2022 impact on 4G devices.  This article provides an additional script that needs to be run on Digi IX14 and...
Mar 11, 2022
How To: Restore configuration from Support Report
A DAL Support Report contains the complete device configuration.However for security reasons passwords are NOT included.If you have a support report from a device, you can restore the configur...
Feb 25, 2022
How To: Customize a DAL Backup Configuration File
 Background The configuration backup file can be obtained from a DAL device using either the CLI, local web UI, or Digi Remote Manager. The backup file you get is a gzipped tarball with a .bi...
Feb 23, 2022
External access to the web interface of a DAL device on a different port than default
If you wish to get external access to the web interface of a DAL device on a different port than default which is 443 you have two options. If you want to add an additional port to access Web UI a...
Feb 21, 2022
silent unattended installation without GUI of AnywhereUSB Plus driver and AnywhereUSB Manager
In some environments system administrators prefer to install drivers without graphical user interface (GUI) and just want to run scripts for installation. AnywhereUSB Manager might need to be insta...
Feb 14, 2022
Use RADIUS for Device Administration with Cisco ISE server
With Internal users identity, you have to create an account on the Cisco ISE local users database:  With the next step, you have to add your device as a Radius client on the Cisco ISE server:...
Sep 01, 2021
Digi AnywhereUSB® 24 Plus Linux limitations
The Digi AnywhereUSB® Plus family is currently supported under the distributions defined in the Linux Manager release notes for both the 2 ports and 8 ports versions of the hardware. Whil...®-24-plus-linux-limitations
Apr 14, 2021
3G Network Sunset in 2022 impact on 4G devices
Carriers have announced that they will be shutting down their 3G network in 2022.  The sunset of the 3G networks may impact some 4G LTE devices.  This situation could cause certain 4G LTE...
Mar 15, 2021
Ethernet bonding configuration on Digi AWUSB Plus
AWUSB Hub supports two modes for network "bonding" connection. -First mode is Active-Backup. Active-backup policy: Only one slave in the bond is active. A different slave becomes active...
Jan 24, 2021
AnywhereUSB Plus Debug Logging - Troubleshooting Compatibility Issues with USB Devices
Important Notes:The USB debugging guidance which follows is meant to be used with the Digi AnywhereUSB Plus (2, 8, 24) line of products only.This guidance requires DAL OS/firmware version 20.1...
Oct 22, 2020
How to connect to an AnywhereUSB Hub Plus from non-local network or through a firewall.
Usually, AnywhereUSB Plus devices are located on LAN networks where the host computer (the computer where the AnywhereUSB Manager is installed) is on the same subnet as the AnywhereUSB Plus. When ...
Sep 29, 2020
How to avoid a warning notification in the Web browser during access to Web UI on the DAL system
When you connect to Digi DAL router Web User interface your browser in the address bar warns you that you are visiting an insecure web page.     Such browser's behavior depends on ...
Sep 28, 2020
Accessing Digi's FTP Site
Digi FTP site allows customer to download files such as firmware, documentation, tools etc. This is particulary useful for downloading older firmware versions which are not linked directly on the s...
Sep 07, 2020
AnywhereUSB 2 Plus - LEDs Stuck on Red or Blue
The LEDs on the AnywhereUSB 2 Plus have been observed to go into a red and blue state when using an incorrect power supply unable to provide the required 5 VDC at 6 A. The power supply recome...
Aug 21, 2020
AnywhereUSB Plus ClientID Shared Between Users on Same Laptop
On the AnywhereUSB® Plus, theClient IDis a unique identifier assigned to a user account the first time a user logs in to a computer and opens the AnywhereUSB Manager.  Durin...
Aug 18, 2020
ETH Bonding on AWUSB24 plus after upgrading to DAL
After upgrading to DAL, are ETH Bonding Load Balancing (Round-Robin) and Fault-Tolerance (Active-Backup) options lost for Anywhere USB 24 plus? Starting from the new DAL firmware 19.11.7...
Aug 18, 2020
Digi International Security Notice - TRECK TCP/IP Stack "RIPPLE20" VU#257161 ICS-VU-035787
Digi International Security Notice TRECK TCP/IP Stack "RIPPLE20" VU#257161 ICS-VU-035787June 16th, 2020  The following CVE’s have been assigned to these vulnerabilities:CVE...
Jun 16, 2020
Mandatory Firmware Update Version for AnywhereUSB 8/24 Plus
This article highlights Digi’s mandatory firmware update recommendation; to update the firmware of the AnywhereUSB Plus for SKUs AW08-G300 and AW24-G300 to version firmware availa...
Apr 03, 2020
Can Multiple Host Computers Connect to an AnywhereUSB or AnywhereUSB Plus at the same time?
The short answer to this question is, it depends on the model of the AnywhereUSB®, specifically if the model supports the Multi-Host Connections (MHC) feature or not.   The following Any...
Mar 17, 2020
AnywhereUSB Manager Driver Install Stalls/Hangs Without Completion
Description of Issue:  Installation of the AnywhereUSB® Manager software hangs, stalls, or otherwise fails to complete installation    *** Disclaimer:  The following guida...
Feb 14, 2020
AnywhereUSB Plus Troubleshooting Tip - Explicit USB 2.0 or 3.0 in USB Virtual Controller
Problem: Corruption of data can occur when a mismatch exists between the type of USB Controller an operating system running in a Virtual Machine supports, doesn't match the type of USB support...
Feb 12, 2020
Checklist for Initial Digi One IA/IAP Troubleshooting
The following questions will help in troubleshooting your Digi One® IA/IAP product issues.  Answers to these questions should be included in your request to Digi Technical Support to help ...
Jan 17, 2020
Digi Connect IT 4/Mini & Digi Connect IT 16/48 - RJ45 RS232 Serial Pinout Differences
NOTE:  Digi Connect® IT serial ports and serial cable length of run: The RS232 standard requires support for baud rates up to 9600 baud on shielded multicore cable up to 50 feet (15 meter...
Jan 15, 2020
Disable CBC Ciphers for SSH on Digi CM
It is possible to disable certain ciphers used for SSH connection, for example CBC ciphers and have this changes saved upon a device reboot. This is achieved by editing a filed called "rc.use...
Jan 10, 2020
Migrating from Digi AnywhereUSB to Digi AnywhereUSB Plus
The Digi AnywhereUSB® products have been manufactured for over 15 years and have reached their end of life.  The AnywhereUSB Plus® family of USB over IP Remote Hubs are newer products ...
Nov 22, 2019
Digi 3rd Party Chinese Radios
Question: Has Digi in the past, or currently, used any components purchased from the following companies? •    Huawei •    ZTE Corp •   &n...
Oct 21, 2019
Unique Default Passwords for Digi Products (SB-327)
BackgroundAs of January 1, 2020, the California Consumer Privacy Act SB-327 requires all cellular and internet connected devices manufactured after that date to have unique default passwo...
Oct 16, 2019
Verizon Upgrade for Telit Modems
Verizon notified cellular product manufacturers of a software defect present in Intel chipsets utilized by several cellular modem vendors. Digi uses some of these third party cellular modems in som...
Oct 09, 2019
Unique Default Password Product Information
Below is the list of Digi products that require a unique password to log in to the device as well as to register the device on Digi Remote Manager. List of products where a unique password is requ...
Jul 22, 2019
SACK Vulnerability Patch Status
SACK Vulnerability Patch Status for affected Digi products  Product Family/ProductVersion fix is included inEstimated Release DateCellularDigi IX1419.8Aug, 2019Digi EX1519.8Aug, 2019Digi LR54...
Jul 16, 2019
XBee Cellular with Digi Remote Manager firmware upgrades
How do you perform a firmware upgrade via an RCI request on an XBee Cellular module? First, it should be noted that not all firmware updates will be possible or recommended via the Digi Remote...
Jan 24, 2018
Possible solution to connect a Parallel Printer to a Digi Serial Port
Background:  Digi Technical Support was recently working with a customer who needed a Digi serial solution to interface with his parallel printer.Disclaimer:  Digi Technical Support perso...
Jan 05, 2018
Digi One IA / IAP 2-wire RS-485 pinout
For a 2-wire RS-485 configuration, use one of the positive screw terminals (pin 6 or 3) and one of the negative screw terminals (pin 7 or 4).  The choice is yours, for example, pins 6&7, 6...
Jul 17, 2017
Error is Seen When loading the Linux dgdm driver Module in Linux: dgdm_tty_open() - invalid major -7
  The error is due to a mismatch between the kernel compiler and the system gcc compiler. This can be verified with the following commands from the Linux root prompt:# cat /proc/version ...
Jul 06, 2017
HOW TO: Configure and Use a Basic Menu With Digi One/PortServer Products
By adding and configuring a specific user (other than root), a menu can be assigned allowing user easy access to ports or servers. The menu can be configured for outbound network users and/or inbou...
Jul 06, 2017
Random Characters or Garbage is Seen Within Our Application Screen With SCO OpenServer 5
Certain applications that are more graphical may show these symptoms. Try deactivating the fastcook setting on the affected port(s):# ditty printer -fastcook /dev/ttyx##Then see if this resol...
Jul 06, 2017
HOW TO: Confiigure Digi One/PortServer Units for Multiple Connections and Switch Between Them
By default, you can have up to 4 simultaneous sessions. This is defined in the "sess" field under the port settings.The session feature allows for multiple telnet sessions from an attache...
Jul 06, 2017
HOW TO: Configure Ports on Digi One/PortServer Products for Binary Data
Configure the port for binary (raw) mode. This can be done by telnetting to the unit and logging in as root. Here is an example for port one: #> set port range=1 bin=on #> kill tt...
Jul 06, 2017
Digi One/PortServer Units Log Off Users Randomly or Present a Login Prompt for the Digi Unit Instead
If you are using the RealPort driver on your host server. Make sure the device setting on the Digi One/PortServer unit is set to prn. This can be checked by telnetting to the unit and logging in...
Jul 06, 2017
HOW TO: Configure CUPS Printers for Hardware Flow Control Instead of the Default Software Flow Contr
 Change the printer configuration (/etc/cups/printers.conf) file to reflect hardware flow control. Here is an example: DeviceURI serial:/dev/ttya01?baud=9600+size=8+parity=none+flow=hard &n...
Jul 06, 2017
Modem Configuration in Linux
Modem Configuration requires familiarity with both the specific OS and the specific modem being used. While the following procedure is sufficient for most cases, it may be necessary to take additi...
Jul 06, 2017
Linux /etc/inittab Samples for Getty
Linux Getty Examples Different distributions have a variety of names for getty. It may be necessary to experiment or consult the system documentation to determine which getty is most appropriate f...
Jul 06, 2017
Sample PERL scripts for managing PortServer TS units without user interaction.
Perl scripts can be used to perform tasks on the PortServer TS units without the need for user interaction. Such scripts can be configured to execute automatically in the evening/off hours on vario...
Jul 06, 2017
How do I configure the PortServer (II, TS), and Digi One units to automatically telnet to my host wh
You can configure the PortServer/Digi One units to automatically connect to a host system when there is activity on a serial port. Once an IP address is assigned to the unit, you will then be able ...
Jul 06, 2017
In Linux the end of my print jobs are being cut-off and never print the end of the document.
This behavior is due to the spooler closing the connection prior to the port buffer draining. The following command can be used to hold the port open so all of the data prints:# cat < /dev/ttyx...
Jul 06, 2017
How do I configure my (ditty-rp) port settings to stay after rebooting when using RealPort in Linux.
In Linux the ditty settings are "sticky" until overwritten or the system is rebooted. For port configuration on the Linux host, there is a file you can create to issue the ditty commands...
Jul 06, 2017
MODPOST and module errors are seen when compiling the Digi driver with a new kernel on SuSE
Before SUSE kernel sources are usable, you must issue the following commands:   cd /usr/src/linux-(version)  make cloneconfig && make modules_prepareOtherwise kernel sources ar...
Jul 06, 2017
What are the package requirements for installing the RealPort driver in SuSE 64 bit and Intel system
 The following packages are required for successful installation of RealPort on SuSE 64 bit/Intel systems: 1. gcc2. gcc-64bit3. gcc-c++4. gcc-g77-64bit5. gcc-info6. gcc-locale7. gcc-objc8. gc...
Jul 06, 2017
Transparent printing in SCO OpenServer hangs and ditty does not set the off string properly.
 This is due to two different Digi drivers being installed on the same system. If RealPort and MPI drivers are installed, be sure to use the appropriate ditty binary. The RealPort ditty binary...
Jul 06, 2017
Running the realport dump (rpdump) program on Aix
Steps on setup:Place the rpdump.aix binary on the AIX host and give it executable permissions (chmod a+x).Stop all port processes and the RealPort daemon.  Example: # pdisable tty1 # rmd...
Jul 06, 2017
The ''Check for Digi Connect Updates'' utility is unable to connect to the Digi update server
There have recently been changes made to the Digi Connect Update server. In order to correct this it will be necessary to modify an entry in the Windows Registry (regedit.exe).Follow these instruct...
Jul 06, 2017
Can the the HTML pages on the Digi Connect devices be customized?
Yes the HTML pages can be customized, as of the release of the "F" firmware for the Connect platform.Customization can be performed as follows:Connect to the device's web interface an...
Jul 06, 2017
HOW TO: Install RealPort on Debian
 Install the latest openssl libraries:apt-get install libssl-dev  Install all files necessary to recompile the kernel and install the driver (as root user):apt-get install kernel-pac...
Jul 06, 2017
Error Seen When Building the RealPort Driver in SuSE Linux: /bin/sh: scripts/mod/modpost: No such f
 With newer versions of SuSE Linux, the kernel sources need to prepared and symbolic links are needed for the ncurses library:   1. ln -s ncurses/panel.h panel.h in /usr/include2. make ...
Jul 06, 2017
HOW TO: Restore Digi ConnectPort LTS to Factory Default Settings
 To restore the Digi ConnectPort LTS unit to the factory default configuration settings, use a TFTP or BOOTP server. To use the Bios menuto flash new firmware, do the following:Connect th...
Jul 06, 2017
HOW TO: Printer configuration with AIX RealPort
 The AIX server:# smit printerSelect the following menu items:  Printer/Plotter Devices Add Printer/Plotter osp Other serial printer rs232 Select appropriate sa deviceFill in the o...
Jul 06, 2017
HOW TO: Change the Port HTTP is received on with the Digi One SP Product
Yes, this can be set from the command line interface only. From the root prompt of the Digi One SP:#> set netport http=(port_number)
Jul 06, 2017
HOW TO: Configure LPD Printing with Digi Connect/ConnectPort Products and Unix/Linux
 The Digi Connect unit should have the serial port profile of "printer". Also, the lpd service should be activated (check marked under Network -> Network Service Settings).Here is...
Jul 06, 2017
Getty respawning errors are seen when rebooting the Linux server
 In some cases it may take some time for the ports to fully initialize on start up, depending on the network initialization/WAN speeds, etc... As a result, the inittab file is read prior to th...
Jul 06, 2017
HOW TO: Enable the RTS Toggle Feature in Linux RealPort
Issue the following command from the root prompt: # ditty-rp rtstoggle ttyx##Where ttyx## represents that actual tty ID.
Jul 06, 2017
The PCI-X adapter is not recognized in an HP DL145 server running Linux
The PCI-X adapter is not recognized in an HP DL145 server running LinuxThe system (HP DL145) has a PhoenixBIOS with an AMD Opteron Processor. Select the ''Advanced'' tab. In the ...
Jul 06, 2017
A dgrp_net_ops.o error is seen when compiling the dgrp Linux RealPort driver
An error is seen similar to the following when compiling the RealPort driver in Linux:  dgrp_net_ops.c:1229: error: dereferencing pointer to incomplete type make[3]: *** [/usr/src/.../BUILD/...
Jul 06, 2017
Does Digi Offer Products Capable of 9 Bit Character Serial Communication?
No. Digi products currently only support 5, 6, 7 and 8 bit characters for serial data.
Jul 06, 2017
Problem Seen in SCO OpenServer With the getty Flushing Data After the Login: Prompt
On some versions of SCO OpenServer a problem is seen logging into terminals where getty is flushing data after the Login: prompt.Try adding -n to the getty entry:From the man page:-nDisables the ke...
Jul 06, 2017
HOW TO: Create a Serial Printer Using CUPS in Linux
Configuring your RealPort printers with CUPS in Red Hat. Here are the steps taken for configuring a printer: Point the web browser to http://localhost:631 Select [Add Printer] Fill in the n...
Jul 06, 2017
HOW TO: Configure tty Devices to Start at 01 Instead of 00 for Port 1 With UDEV When Using Linux Re
 Port names can be changed to start at 01 (i.e. ttya01) instead of 00 (i.e. ttya00) on systems running udevd by modifying the UDEV rules:Edit "/usr/bin/dgrp_udev" and find this line:...
Jul 06, 2017
HOW TO: Install/compile the RealPort driver Using the source RPM in Debian Linux
After downloading the most recent driver release from the Digi web site, issue the following commands from the Linux root prompt, where (arch) represents the architecture (i.e.: i386, x86_64) and (...
Jul 06, 2017
PCI-X adapter is not detected in HP DL145 system running Linux
Within the system BIOS menu, select the ''Advanced'' tab. In the ''Advanced'' window there is''MCFG Table: [Enabled]This must be set to:''MCFG Table:...
Jul 06, 2017
HOW TO: LPD remote printing configuration with UNIX/Linux
The Digi unit should have the serial port profile of "printer". Also, the lpd service should be activated (under Network -> Network Service Settings).Here is the information for lpd co...
Jul 06, 2017
HOW TO: Create a Serial Tunnel or Bridge with Digi PortServer and Digi One Products Using the Comman
First determine which unit will be establishing the connection. Here is an example configuration for port 16 on a remote PortServer unit. The following commands are issued from the root prompt of t...
Jul 06, 2017
Transparent Printing Causes the Port to Lock Up in SCO OpenServer 5.x
 Deactivate the fastcook setting on the tty port to resolve this behavior: # ditty -fastcook ttyx##Where ttyx## represents the actual tty device.This setting may be added to a start up s...
Jul 06, 2017
Respawn Errors Seen When Rebooting Linux RealPort Server
Adding "sleep 10" towards the end of the /etc/init.d/dgrp_daemon file will help to prevent the RealPort daemons from starting ahead of /etc/inittab.
Jul 06, 2017
PortServer TS and Digi One Product POST and Firmware Ugrade Procedure
 The easiest method for upgrading the firmware is by using the HTTP method from the Web configuration. It is very important to confirm the POST image version is current prior to updating ...
Jul 06, 2017
HOW TO: Decrease Latency with the RealPort Driver in Linux
Typically latency seen communicating with the serial ports when using RealPort in Linux can be further decreased by tuning the edelay port setting.The edelay setting is configured on a per port bas...
Jul 06, 2017
SCO OpenServer RealPort /etc/inittab is Not Keeping Changes for the Ports
The drpadmin calls the /etc/conf/bin/idmkinit program in SCO. This is the same call when rebuilding the kernel, and it asks whether you "Would like the environment rebuilt".This will rem...
Jul 06, 2017
Troubleshooting Port Connectivity Issues and Resource Temporarily Unavailble errors with Digi PortSe
 Review the port settings. Telnet to the IP address of the unit and login as root:#> set port ra=*Any port that is going to have a RealPort device attached, should have:dev - Needs to be se...
Jul 06, 2017
High CPU usage is observed when running RealPort over WAN connections in Linux.
 Whenever running RealPort daemons over a WAN connection, a Link Speed setting needs to be applied to the RealPort daemon that closely matches the dedicated bandwidth.  Wit...
Jul 06, 2017
No rule to make target errors seen when installing the RealPort driver in Linux
The following errors are seen when attempting to install the RealPort driver in Linux: make[2]: Entering directory `/usr/src/dgrp-1.9/dinc' make[2]: *** No rule to make target `dinc.o', n...
Jul 06, 2017
HOW TO: Capture Session Logs Using PuTTY
 To capture a session with PuTTY, open up PuTTY. Look for Category Session -> Logging   Under Session Logging, choose “All session output” and key in your desi...
Jul 06, 2017
Which Link Layer Protocols of the Internet Protocol Suite are Supported with PortServer TS Products?
The following layers are supported currently:   Layer 2 -- Ethernet and PPPLayer 3 --ARP, RARP, ICMP, IPV4Layer 4 --TCP/UDPLayer 7 --BOOTP, DNS, DHCP, HTTP, RADIUS, rlogin, SSH, telnet TFTP
Jul 06, 2017
How to Create a SSL Tunnel Between Two PortServer TS Units
The following example shows the configuration of an SSL bridge  using port 4 on two PortServer TS units. To setup an encrypted serial tunnel using SSL between two PortServer TS...
Jul 06, 2017
HOW TO: Improve Latency When Using AIX RealPort
On PortServer TS and Digi One product lines, there is an optimization setting configurable on the units themselves.  From the Web interface of the unit, login as root and select System.&n...
Jul 06, 2017
How to Configure a PortServer TS or Digi One Product to Autoconnect to a Remote Host
To configure the port to autoconnect to a network node, navigate to the web interface of the unit and login as root.Select:Serial Ports option under the Configuration menu.  Choose the de...
Jul 06, 2017
Using SSH with Public Keys to the Digi One® and PortServer® TS Family
In Windows, use PuTTYgen to generate the keys: PuTTYgen is available hereOpen PuttygenUnder Parameters, check ‘SSH-2 DSA’Generate the key in PuTTYgen by clicking on the Generate bu...
Jul 06, 2017
HOW TO: Control the RTS Signal Activity in Unix/Linux
Linux, AIX, Solaris (and all other Unix flavors) will always assert RTS on open.  There is no way to change or configure it to be different.   However, if RTS/CTS flow control ...
Jul 06, 2017
HOW TO: Remove a .tgz Installed Driver From Linux
Change directory to where the Digi driver sources are located and issue the following commands as root:make preuninstall make uninstall make postuninstall make clean
Jul 06, 2017
How to boot Linux kernel from tftp and filesystem from SDcard?
setenv bootargs_video video=displayfb:LCD@LQ070Y3DG3B video2=displayfb:disabledldb=single,di=0,ch0_map=SPWG fbprimary=videosetenv bootargs_flpart mtdparts=onboard_boot:0x100000(U-Boot),0x80000@0x10...
Jul 06, 2017
How to find out the date code and manufacturing location information of Digi Products.
Depending on the location the units are built effects the orientation, linked below is the date code from USA or Thailand. The date code is 4 digits, 2 digit year and 2 digit week (YYWW) so in thes...
Jul 06, 2017
How do I turn M10 on/off based on satellite availability so as to make battery powered applications
Why we need to turn on/off M10? M10 take less than 1 minute to get a satellite link. It all depends upon the availability of the satellite at that particular time. M10 scans through different freq...
Jul 06, 2017
Ping command doesn't work in second ethernet interface in linux if both are configured in same subne
If two interfaces are in same subnet then there could be a chance for linux kernel to choose the first to appear on routing table. use route command to cross check routing table. Because chances ...
Jul 06, 2017
HOW TO: Configure Modems With Digi PortServer and Digi One Products When Not Using the RealPort Driv
Native Modem Configuration Modem Configuration requires familiarity with the specific modem being used. While the following procedure is sufficient for most cases, it may be necessary to take addi...
Jul 06, 2017
RS-485 Cabling Pin Outs for the Digi One SP Product
The following table outlines the DB9 pin-outs for RS-485:  Set the serial DIP switches according to your serial device requirements:
Jul 06, 2017
HOW TO: Configure a PortServer/Digi One Product IP Address Directly From a Serial Port
In some cases DHCP, ARP-Ping and Device Discovery tools are not feasible for assigning an IP address to these units. By default, all serial ports on these units will have the "terminal" profile con...
Jul 06, 2017
Pin Outs For A Crossover Ethernet Cable
  Standard Ethernet Crossover Cable Pin-outs RJ45                                         ...
Jul 06, 2017
What ports are used with Digi's Device discovery ADDP protocol?
ADDP uses udp port 2362 and a mulicast ip address of You will need to enable these on your firewall for the ADDP protocol to work for the device discovery utility.
Jul 06, 2017
Linux RealPort Error: ERROR: couldn't register node
Symptoms:#/usr/bin/dgrp/config: ./dgrp_cfg_node -v -v init xx 8./dgrp_cfg_node: init requested for node xx ./dgrp_cfg_node: testing for a loaded module Using /usr/bin/dgrp/dgrp.o ./...
Jul 06, 2017
Can I use the Digi One IA Modem for Modbus/RTU or DF1 and 11-bit async character settings?
If you have a newer model (from spring 2004) you can. The older models did not support the 11-bit async char used by Modbus/RTU and DF1 (meaning 8-data bits plus parity)To tell which modem you have...
Jul 06, 2017
What is Digi International doing to comply with the RoHS requirements?
Digi International is in the process of preparing to meet the RoHS requirements. For details, please visit this link:
Jul 06, 2017
When trying to connect to a port a "Connection refused" error is seen
 Telnet to the Digi device/terminal server and  login as root.  Change the "dev" setting to "prn"#>  set port range= dev=prn A reboot of the Dig...
Jul 06, 2017
Does the Digi One IAP support unsolicited mode when configured for ascii import?
No, the Digi One IAP does not support unsolicited mode. The PLC will need to poll the Digi One IAP's buffers for the data.
Jul 06, 2017
How do I send a break from a telnet session?
To send a break to a serially attached device, you will telnet to the PortServer/Digi One device port:telnet (IP_of_Digi_unit) 2001Where 2001 represents the port number 1, use 2016 for port 16, etc...
Jul 06, 2017
RealPort Troubleshooting for Microsoft Windows
The Digi RealPort driver, sometimes called COM port re-director, installs one or more serial ports of various Digi network-attached devices as COM port numbers in Microsoft Windows Operating System...
Jul 06, 2017
How do I enable my Rockwell device (such as ControlLogix) to poll an remote ASCII device attached to
See the full application note here:PN:90000642_A Rockwell ControlLogix polling ASCII devices as PCCC Slaves  This application note explains how to use a MSG block within a ControlLogix PL...
Jul 06, 2017
Running Port Monitor Traces in Windows NT/2000/XP/2003/7/2008/2012
Sysinternal's PortMon (now owned by Microsoft) is a Microsoft Windows application used to monitor and analyze a system's serial and parallel port activity. When you select a port to monitor, Po...
Jul 06, 2017
Can I set up RSLinx to see two DF1 devices on a single Digi One IAP?
See the full application note here: application note explains how to set up 2 DF1 devices on the Digi One IAP and overcom...
Jul 06, 2017
Extra Carriage Return or Line Feed When Using PuTTY
Problem:When accessing a system console using a PortServer or Digi One product, two prompts are seen. Where is the extra CR/LF coming from? Cause:PuTTY settings for terminal emulation and sess...
Jul 06, 2017
How Many Network Slave Devices Can a Digi Device or Terminal Server Support?
The answer to this question depends on several factors, primarily which product you are using and whether the masters are serial or ethernet. There are also practical restrictions such as polling i...
Jul 06, 2017
How Many Serial Slaves Can The Digi Industrial Device Servers Support?
The Digi device and terminal servers which have MEI serial ports can support up to 32 slave devices as per the standard for RS-485 serial line drivers. If you have more slave devices than that you ...
Jul 06, 2017
How Do I Find Out Uptime of PortServer
login as root (default password is dbps)Issue command : #> set time
Jul 06, 2017
How Many RS-485 Serial Devices Do Digi Device and Terminal Servers Support?
As per the standard, the RS-485 serial line drivers support 32 connected devices. To add more than 32 devices you would need to also install a repeater.
Jul 06, 2017
Do Any Digi Products Support Modbus Cry Out?
Some Modbus serial slave devices have the ability to send a "cry out" which is an unsolicited event alert. This is not standard Modbus, and thus our industrial automation engine doesn'...
Jul 06, 2017
Verifying UL (Underwriter Laboratories) certification of Digi products
Occasionally we have customers who require verification of UL (Underwriter Laboratories) certification of Digi products in order to get approval to use our products in their environment. If you lo...
Jul 06, 2017
What Gage Wire is Used for the Power Input of Digi One IA RealPort
The simple answer is anything from 16-20 AWG should be fine.  The smaller the number, the larger the wire and more current capacity.  16 is about the largest that will fit into the termin...
Jul 06, 2017
Port-sensitive/realtime application workaround for RealPort drivers
This article is written to address an issue that certain customers have reported to us who have port-sensitive applications (for lack of a better term).What I refer to when I say "port-sensiti...
Jul 06, 2017
TGZ or non-RPM Method of Installing the Realport driver on Linux Systems
The following procedure can be used in any Linux environment. It is the only choice available for environments which do not support RPM.Pre-installation:Check to ensure that Package Dependencies Fo...
Jul 06, 2017
Linux Printer Hardware Flow Control Configuration.
Hardware Flow Control is indicated whenever a printer is having buffer overruns, is losing sections of a file, or is having other problems which can't seem to be resolved. Most printers are simply ...
Jul 06, 2017
Cannot install or locate a driver for ISA adapter support in Linux 2.6 kernels.
The obsolete ISA style adapters will no longer have driver support for the newer 2.6.x kernel versions. It is recommend that a PCI style adapter is purchased or that the 2.4.x kernel version is used.
Jul 06, 2017
How come multiple active Modbus/TCP masters connected to DigiOne IAP do not confuse the serial Modbu
The DigiOne-IAP works the same way a network Printer Server allows multiple users to share a printer. Just as the Print Server understands the concept of a print job, the DigiOne-IAP understands th...
Jul 06, 2017
Do you support ModbusPlus (Modbus+)?
No, Modbus Plus is a unique hardware system. Although it shares many features of a 1mbps EIA-485 network, it is transformer isolated and requires special CPU co-processor support to manage a fast t...
Jul 06, 2017
I can not get my ControlLogix PLC to talk using DF1 on it's serial port connected to my Digi One IAP
You will need to install the RealPort driver.The ControlLogix PLC uses CIP instead of PCCC like SLC and MicroLogix PLC's use
Jul 06, 2017
Erratic mouse cursor behavior after installing a Digi device with a serial port
This issue, symptomatic of the mouse cursor "jumping around the screen", is likely due to Windows detecting the serial device attached to the Digi device as a serial mouse or a HID (Human...
Jul 06, 2017
USB port voltage output information on the Hubport/4+ and Hubport/4c+
USB port #1 (the first from the left) is 24V.   The remaining USB ports, 2-4, are all 12V.  Note:  Depending on the age of the unit. the USB ports may be all Black (older varia...
Jul 06, 2017
Understanding the "Multi-TT switched USB architecture" Hubport feature
Newer Hubports, such as the compact ("c") models and the Hubport/14 are USB 2.0 hubs that offer a feature called Multi-TT switched USB architecture. This article is intended to explain ho...
Jul 06, 2017
How to install a Hubport/PCI+ LP 1x24V?
The Hubport/PCI+ LP 1x24V doesn't have gold "keys", so it's not possible to connect it to a motherboard's PCI slot. The lack of gold "keys" is actually normal. Inst...
Jul 06, 2017
"A failure occurred reading an object" error with Symantec Backup Exec software
This error is due to a bug in some older versions of the AnywhereUSB driver package. When one these older versions are installed on a Server 2008 computer, that error may happen when performing a b...
Jul 06, 2017
How to set a Portserver TS or Digi One for low latency or throughput mode
What is the optimization setting used for on the Digi Terminal and Device server products?Optimization - This field determines how much bandwidth is used on the network.The available options:Latenc...
Jul 06, 2017
Using Digi radios in multidrop networks
In multidrop applications it is necessary that information coming from one serial port be received by multiple remote devices. This is commonly implemented using RS485 multidrop bus wiring. Multi...
Jul 06, 2017
Assigning Device Node Names in MPI for SCO OpenServer
In some cases when reconfiguring devices in the MPI utility in SCO OpenServer the old device nodes are not removed from /dev. This results in the inability to assign a particular letter to the devi...
Jul 06, 2017
DigiOne does not talk using Digi supplied NULL-Modem cable to a Modicon 984 PLC.
Digi products with a 9-pin DTE port usually come with a 9-to-9 null modem cable. The 9-pin Female port on older Modicon PLC is still DTE, but pin #1 is assumed to be FRAME GROUND. You will need to ...
Jul 06, 2017
Device Discovery Troubleshooting Tips
INTRODUCTIONThis document contains a list of tips that will help people through the trouble of detecting most Digi Ethernet or Wi-Fi devices. Some examples are the Digi Connect ME, EM, SP, WiME, Wi...
Jul 06, 2017
Modem Troubleshooting FAQ
Q:  How do I determine if my modem is causing the problem?A:  A very good way of troubleshooting a possible modem problem is by removing the modem from the picture completely. Connect a t...
Jul 06, 2017
Removing MPI Manually
Occasionally a situation will develop where MPI either fails to install correctly or is corrupted in such a way that pkgrm (SVR4), or custom --> remove (SCO) cannot remove the package successful...
Jul 06, 2017
Modem/Xem Ports with Lotus Notes
Symptom: Ports not working properly with Lotus Notes  Cause: Lotus does not include the MDM file in their software so you will need to download it from Digi"s site.  Solution...
Jul 06, 2017
Garbage Printing on the Attached Terminal Printer or Modem
Symptoms: Garbage characters printing on an attached terminal, printer or modem session. Cause:The main cause of this behavior is a baud rate mis-match. The port is configured for a different b...
Jul 06, 2017
Configuring ports as a hunt group on the Portserver TS amd Digi One SP product lines.
The hunt group configuration is commonly used with outbound modems (modem pooling). When a TCP connection is attempted to the specified TCP socket number, the Digi unit will establish the connectio...
Jul 06, 2017
How Much Bandwidth is Consumed By RealPort
The amount of bandwidth used by RealPort is determined by how much data is going across the connection and the form that data is in. We do not have a simple rule of thumb for it.RealPort build...
Jul 06, 2017
EDS File
Symptom:Is an Allen-Bradley / Rockwell Automation EDS (electronic data sheet) file required for a Digi product (specifically a Digi One IA RealPort)?Solution:No, at least not in most cases.  W...
Jul 06, 2017
OFC Signal is Solid on Digi One and PortServer
Symptoms:Port is configured for autotelnet and does not get a login prompt. When port signal information is displayed, the OFC signal is lit solid (seen on LED front panel on PortServer and PortSe...
Jul 06, 2017
Error using "Connect" from a Digi One or PortServer TS/II
Solution: Verify that the port you are trying to connect to has the device type set to '"prn'"' and that the autoconnect setting is off. This is done from the root prompt of...
Jul 06, 2017
What sort of PortServer monitoring/diagnostic tools are available?
The PortServer/PortServer II both have Post-diagnostic testing for hardware verification, you can monitor ports and ethernet activity from the front panel. Both can be SNMP managed, network statist...
Jul 06, 2017
Digi One SP (Single Port) Buffer Size
Question:What is the Buffer Size on the Digi One SP (Single Port)?Answer:The Digi One Single Port contains a 24 byte FIFO for each receiver and transmitter.
Jul 06, 2017
What is RealPort?
Putting devices on the network wasn't always easy. Many of the devices you use, including barcode scanners and sensors, don't have an Ethernet port. Even if they did, the applications that ...
Jul 06, 2017
Unable to Login to Digi Device Server/Terminal Server
Symptom:Unable to login to Digi Device Server/Terminal Server after detecting it on the network with the setup utility and clicking Configure to set the IP Address.Cause:This is a known i...
Jul 06, 2017
Configuring the Digi One Single Port (Digi One IA) to establish a conection to a network device
 Setup: To configure the Digi One Single Port for serial bridging, you will need two units.Procedure:NOTE: You will need to be on the latest firmware version for this setup example 82000774_D...
Jul 06, 2017
PortServer TS Timeout Configuration
 Configuring idle timeout values to drop network connection.First Keepalive has to be enabled. You do this by typing the following from the PortServer root prompt: #> set tcp active=onOnc...
Jul 06, 2017
Mysterious Port Setting Changes While using RealPort
Solution: This document is about some unusual (to some) behavior which can occur in environments where the Realport driver is installed for use with a Portserver TS line or Digi One products. &nb...
Jul 06, 2017
Unusual Terminal/Device Server Behavior After Factory Reset
 This Technical Article is written to document an unusual behavior on some of our Terminal/Device server family products. This behavior will only be seen on the following Motorola Coldfire-ba...
Jul 06, 2017
Windows Direct Cable Connection Primer
 Windows Direct Serial Client Connections advertise themselves with the string "CLIENT" to the Windows Direct Serial Server they "dial" into. When configuring a Digi device...
Jul 06, 2017
HOW TO: Determine Firmware Version Level on PortServer/II Products
 Log into the PortServer as root, using either telnet or through the serial interface.  Issue the set config command.  The first line of the display will show the version of the ...
Jul 06, 2017
Digi makes many serial devices, some of which are DTE (PortServer TS, EtherLite, Connect/ConnectPort, Digi One, USB-to-serial), and others which are DCE (TransPort, PKG RF modems, XBIB interface bo...
Jul 06, 2017
Report of NEBS certification of a Portserver TS8
The Portserver TS 8 has been NEBS certified as a system component, and found to be fully compatible with GR63 and GR1089 CORE standards.What this means:A Digi customer recently included a Portserve...
Jul 06, 2017
Migration of Old RealPort Version 2.x to 3.x in AIX (Migration Only)
NOTE: Run a full system backup prior to proceding with the driver upgrade. Place and extract tar file in a separate directory (/tmp/migrate is used in the following example): mkdir /tmp/migrate...
Jul 06, 2017
PortServer TS and Digi One PROXYARP and PPP
 Proxyarp should be used with PPP users when the IP address of the PPP user is in the same network that the Digi device is in. For example: 1) Digi IP, Mask: P...
Jul 06, 2017
HOW TO: Determine Firmware Version Level for PortServer TS Products
There are several ways to check the firmware version on the PortServer TS products:From a web browser: Log into the PortServer TS via the web interface. The firmware version appears on the mai...
Jul 06, 2017
HOW TO: Determine the Firmware Version Level for Digi One RealPort or Digi One IA Realport Products
There are several ways to determine the firmware version on the Digi One IA RealPort and the Digi One RealPort. From a web browser:Log into the Digi One via the web interface.The firmware version ...
Jul 06, 2017
How to determine if a PortServer TS 2/4 is the MEI model or not
It's important to know what model you have before upgrading the firmware and/or contacting technical support. Looking at the label on the bottom of the unit is the easiest way to determine if ...
Jul 06, 2017
Login prompt when connecting to Terminal Server's COM port via terminal emulator
Symptom:After installing the RealPort driver on the PortServer (II or TS), the user can successfully connect to the COM port, using a terminal emulator such as HyperTerminal, but gets a login promp...
Jul 06, 2017
Cannot assign a PortServer TS a static IP address
Symptom:When I reboot my PortServer TS, after assigning it a static IP address, it comes up with a different IP than the one I entered.Cause:The PortServer TS is still configured to use DHCP to obt...
Jul 06, 2017
How to make an RS-232 loopback plug for Terminal Servers
Loopback plugs are very useful for initial serial port troubleshooting, to ensure the serial port in question is functional. A DB-9 loopback plug should have a female DB-9 connector and should be ...
Jul 06, 2017
Digi Device Server serial ports lock up randomly or log users off
This indicates that the Digi Device Server (i.e. a PortServer) is not setup properly to use for RealPort. By default the Device Server is set to set port dev=term this means that DDR-RTS are high ...
Jul 06, 2017
"Access Denied" error in Windows 2000 after running DGClean.cmd
Symptom:Following the Driver Installation Notes For Windows 2000:1. Uninstall previously installed drivers. From the "Device Manager" right-click on the Digi adapter(s) you would like to uninstall ...
Jul 06, 2017
Serial modem FAQ and troubleshooting tips
How do I determine if my modem is causing the problem? A very good way of troubleshooting a possible modem problem is by removing the modem from the picture completely. Connect a terminal or works...
Jul 06, 2017
Can I load RealPort on multiple Unix / Linux hosts to access the same PortServer(s)?
Yes, you can have devices ttya01-16 loaded on 2 different machines. If server 1 has ports ttya01-08 opened, server 1 controls it. Server 2 could then have ttya09-16 opened - server 2 controls this....
Jul 06, 2017
What does "Galvanically isolated from Earth ground" mean?
"Galvanically isolated" is a term used to describe the relation between two different points in a circuit. It means that the ASYNC Signal Ground (SG) is isolated from earth ground, ...
Jul 06, 2017
Cable pinout to connect a Digi RJ-45 serial port to a BayTech RPC-2 console port
Here is a known-working pinout to connect a BayTech RPC-2 (Remote Power Control Unit) RJ-45 port to a Digi RJ-45 port, such as that found on our Acceleport, Portserver, Portserver II, and Portserve...
Jul 06, 2017
How to configure a Digi Connect SP to send an Alarm when a user defined pattern data is found on the
In this example, we will use a Digi Connect SP.Software Requirements : - Digi Device Discovery - SMTP Mail serverHardware Requirements : - Digi Connect SPInstructions : - Using Digi Device Disc...
Jul 06, 2017
HOW TO: Change the IP address of an already-installed RealPort product in the Linux RealPort driver
Introduction:This solution comes in handy if you're migrating already installed Digi Terminal or Device Servers such as the PortServer TS line, PortServer II, Digi One, or EtherLite to a new ne...
Jul 06, 2017
HOW TO: Make a serial cable to attach a terminal with a DEC MMJ6 connector to a Digi RJ-45 serial p
Here is the pinout to attach a terminal or other DTE device to a Digi product which has RJ-45 connectors: DEC Digi MMJ6 8-wire RJ45 -------------------...
Jul 06, 2017
I only see an option to update the firmware and not the POST image in the Web User Interface (WebUI)
In earlier versions of firmware, the ability to upgrade POST via the Web UI had not yet been added. In order to upgrade POST firmware on units which fall into this category, you will need to load i...
Jul 06, 2017
Error "insmod: dgrp: no module by that name found" when attempting to use dgrp_gui or dgrp_cfg_node
Symptom:The following error is seen: "insmod: dgrp: no module by that name found" when attempting to use dgrp_gui or dgrp_cfg_node to configure.Cause:Our driver normally places a symlink ...
Jul 06, 2017
Reference Guide: Cable specifications for building serial cables
Cable Reference Guides:EIA-232 General InformationEIA-232 Flow Control PrimerEIA-232 Cables: DTE vs. DCEEIA-232 Signal InformationEIA-232 Cable SpecificationsEIA-232 Cable Capacitance vs. Length of...
Jul 06, 2017
Understanding the Hubport PlusPower Power Management feature
The Hubport PlusPower “Power Management” feature -  this applies only to: 1. In a nutshell, what does this feature do?  It offers the ability to power on/off USB ports v...
Jul 06, 2017
RADIUS authentication fails on socket connection to a PortServer or Digi One serial port.
Setting up a PortServer or Digi One serial port to allow radius authentication of inbound socket connections to the port (example shown for port 16) requires the following confi...
Jul 06, 2017
Does Digi have a Device Driver Kit (aka DDK) for my Serial Card product?
Digi International has made a number of Device Driver Kits available as-is for customers who wish to develop applications for Digi Products.  In each case, the documentation will be contained ...
Jul 06, 2017
Characters Display Very Slowly when performing a Loopback test via Hyperterminal on a Digi Device/Te
Symptom:You're running a loopback test of a Digi Device/Terminal server serial port which is in use by RealPort.  In order to accomplish this task, you connec...
Jul 06, 2017
Can I install the Realport drivers from the command line?
INTRODUCTION Yes. From the command line, you can browse to the folder containing the RealPort Driver files and type: setup /?This will display the command line options for the RealPort driver.
Jul 06, 2017
RCI Over Serial Troubleshooting Tips
This document contains assorted troubleshooting tips for resolving RCI over serial problems.1) RCI over serial uses the following serial port settings (regardless of previous "data" mode ...
Jul 06, 2017
HOW TO: Determine if Digi Acceleport Serial Card ports are working in Windows 95/98/ME
Introduction: If you have a modem or loopback plug, you can verify that the Digi ports are functioning by downloading TTY.exe to test the ports.  Try using one of the following methods to tro...
Jul 06, 2017
HOW TO: Test and Troubleshoot a Portserver or Digi One family Serial Port - UNIX/Linux systems
Note:  Before attempting any of the three troubleshooting methods below, verify that you are using a Serial cable pinned specifically for Digi's RJ45 serial pinout. RJ45 serial cables...
Jul 06, 2017
What is Digi International's Environmental Policy?
Please see the information at this link for Digi's current position.
Jul 06, 2017
HOW TO: Install RealPort in Red Hat EL or CentOS
 Download the latest driver from the Digi Technical Support site: the install...
Jul 06, 2017
HOW TO: Install RealPort in Ubuntu
 Installation Steps: Obtain the latest driver from the Digi Technical Support site:
Jul 06, 2017
What is the maximum length allowable for a single USB cable?
Per the USB specifications, the maximum cable length from a USB port (or USB hub) to a USB peripheral device is as follows: For a Low Speed (USB 1.0) device:  3 meters (about 10 feet) For Fu...
Jul 06, 2017
Does Digi include a CD with the device and terminal server products?
No,  Digi International went green March 8th 2011 and stopped including a CD in the box. All of the information that was once found on the CD can now be found on the Digi support site.
Jul 06, 2017
What are the part numbers for the screw terminal blocks
The 9 pin serial port screw terminal block is part number 76000650. The 2 pin power screw terminal block is part number 76000651.Digi One IAP
Jul 06, 2017
What are the torque specification for the two screw terminal blocks used with the Digi One IAP?
The torque specification for the two screw terminal blocks 76000650 & 76000651 are 2 -2.2 in-lbs, or 0.22 – 0.25 Nm.
Jul 06, 2017
How can i find the RoHS Material Composition Declaration for a Digi device?
What is Digi behavior about RoHS compliance?Digi International is committed to comply with the requirements of all applicable environmental legislation and regulations, including the restriction of...
Jul 06, 2017
NEO BSOD Windows bluescreen
The current release v9.3.62.0 (Rev E) Neo driver has a known bug that may result in a Windows BSOD (bluescreen). Until a newer driver is released with the bug fix, at this time, there ar...
Jul 06, 2017
How to change TCP and UDP Socket port number on PortServer TS and Digi One
TCP and UDP Socket port numbers are based on the "Base Socket" number, so, in order to change TCP and/or UDP Socket port numbers, the Base Socket number must be changed. Within the Web U...
Jul 06, 2017
PortServer TS Radius Authentication to HTTP and HTTPS
With PortServer TS products, only root can access the Web, meaning there is no option to radius auth via HTTP/HTTPS.  This product line supports radius authentication to the command line and/o...
Jul 06, 2017
Differences between Hubport models regarding DC and Captive
 "Captive" Hubports have a permanently connected (captive) upstream USB cable.  Non-Captive Hubports have an upstream USB port and include a USB cable.  In other words...
Jul 06, 2017
Is the ClassicBoard fanout cable compatible with the Neo PCIe?
The Classicboard has a DB78 style connector/interface, and the Neo PCIe has an HD68 style connector/interface,  so the cables aren’t compatible.  With that being said, you can use t...
Jul 06, 2017
SuSE 8.2 RealPort Installation Instructions
Preparing for the Installation:In SuSE 8.2, we had to download and install the following the kernel and kernel source images.After these are installed, please try installing the latest driver using...
Jul 06, 2017
Do PortServer TS models support TLS encryption?
Yes, PortServer TS models support TLS 1.0 encryption for HTTPS and the Digi RealPort driver when using encrypted RealPort.
Jul 06, 2017
Evaluation of FREAK attack on NET-OS products
Overview:We have just completed our analysis on the impact of the FREAK vulnerability (CVE-2015-0204) on our NET-OS product. The vulnerability that has been listed in the notice, deal with the abil...
Jul 06, 2017
Performing a loopback test on Digi Connect and ConnectPort units using connect
 1. A loopback plug is shipped with Digi products for serial port testings. Plug the loopback plug into the serial port to be tested. 2. From the Windows CMD or a Unix/Linux "ro...
Jul 06, 2017
Digi International Security Notice OpenSSL "Heartbleed"
Digi International Security NoticeApril 14th,2014(Updated 4/18/2014)CVE-2014-0160/ OpenSSL “Heartbleed”OverviewOn April 7th, a critical security vulnerability (CVE-2014-0160), nick...
Jul 06, 2017
Are there any Linux or iOS drivers for the AnywhereUSB products?
There are no Linux or iOS drivers available for the AnywhereUSB G2 products. Currently there are only Windows drivers available for the AnywhereUSB G2 products.There are Linux and Windows driv...
Jul 06, 2017
General Certification Comments on Digi products
Check the main reference manual for the given Digi product.  Generally they have a section marked 'Certification'.  If the certification in question is not seen there it is most l...
Jul 06, 2017
What does OFC and IFC mean and how do I resolve it?
OFC represents ouptut flow control. IFC represents input flow control. When either of these are shown high or solid it indicates that a buffer overflow has occured on either the attached device (OF...
Jul 06, 2017
Status LED blink codes
The status LED deals primarily how the device boots up successfully or not.  It has a secondary purpose of providing more information if a problem occurred and why it failed.   Sta...
Jul 06, 2017
Port 50000 on ConnectPort TS devices
Port 50000 is used for Modem emulation option on ConnectPort TS product line(please refer to user manual for description of this featrure). Port 50000 can be disabled from the command line;‘s...
Jul 06, 2017
UDP Socket: Client Configuration Recommendations for Baud Rates Below 9600 Using PortServer TS Prod
When using lower baud rates for serial to UDP along with a delimiter setting, it is recommended the rtime setting is activated and increased to accommodate the lower baud rates and fast serial poll...
Jul 06, 2017
Dimensions (with datasheet) for DC locking barrel power connector found on a number of Digi Portserv
Dimensions: Concentric Barrel Plug - 2.1mm x 5.5mm x 9.5mmBarrel - 9.5mm longInner dimension - 2.1mmOuter dimension - 5.5mm+12V (Center)RTN/GND (Outside)Download the connector datasheet here
Jul 06, 2017
RS-422 Cabling Pin Outs for PortServer TS, ConnectPort LTS and Digi One SP Products
This section applies to Digi products equipped with EIA-422 asynchronous  interfaces.Physical Cable Characteristics EIA-422 interface cables should be shielded twisted-pair cables. Each ...
Jul 06, 2017
Cabling Pin Outs for RJ45 to RJ45 Straight Through CAT-5 Ethernet
The following pin-outs apply to a straight through CAT-5 (8 wire) Ethernet cable:
Jul 06, 2017
Digi One IA/IAP Device Server Troubleshooting
1. Is the equipment set up properly? A.  If power is detected on the Digi One IA/IAP Device, you should see a green power LED on the front LED panel.        ...
Jul 06, 2017
Digi International Security Notice SSLv3 Vulnerability "POODLE"
Digi International Security NoticeCVE-2014-3566October 28th, 2014OverviewA security vulnerability  nicknamed "POODLE" CVE-2014-3566, was announced on October 14th, 2014. We have had ...
Jul 06, 2017
Digi Connect Programmer connectprog max path length
The maximum path length for file names passed to Connect Programmer (connectprog.exe) is 64 characters (at least it is for python uploads).see also Digi Connect Programmer Examples
Jul 06, 2017
Are Virtual Machine (VM) environments supported with RealPort?
 Digi International has not done any testing in VM environments.  Though it is not officially supported, if the underlying operating system successfully provides the necessary driver...
Jul 06, 2017
Using Putty SSH public keys on the LTS.
When uploading the puttygen generated RSA public key you must edit it in order to upload to the LTS via web.  Example of puttygen generated SSH2-RSA public key: ssh-rsa AAAAB3NzaC1yc2EAAAABJQ...
Jul 06, 2017
What is the R232 voltage levels for the Portserver TS 1/2/4 MEI device?
The important details of the RS232 signaling are:Tx output voltage min is +/-5VRx input threshold voltage is +/3V
Jul 06, 2017
What are the different types of serial port profiles on PortServer TS and One series products?
A port profile allows you to easily configure a serial port based on how you intend to use that port. Only the configuration settings relevant to the current profile are displayed in the profile se...
Jul 06, 2017
Digi International Security Notice Vulnerability "GHOST"
 Digi International Security NoticeOriginally issued March 6th, 2015, updated December 18, 2015  CVE-2015-0235OverviewA critical security vulnerability, reported as CVE-2015-0235, nickna...
Jul 06, 2017
Scan Shows Port 50000 on PortServer TS and Digi One Products
Port 50000 is used on these devices as a potential point of connection to the device via a method which we refer to as pmodem or pseudo modem.  This connection consists of a Raw TCP socket whi...
Jul 06, 2017
Troubleshooting Tips When Sharing a Serial Port
INTRODUCTIONCertain Digi Products (Portserver TS) have port sharing features where more than one computer can read and write data to a networked enabled serial port. This feature is available on th...
Jul 06, 2017
HOW TO: Find Country of Origin (CoO) for Digi-manufactured products
It is Digi's goal to facilitate and expedite worldwide trade in the most effective and efficient manner, by proactively observing all international rules and regulations regarding export. To a...
Jul 06, 2017
Manually editing and enabling the LTS config file
From the LTS CLI (command line) go to the bash shell: #> bash Copy the config file to /usr2cp /tmp/cnf/config.xml /usr2 Edit file /usr2/config.xml and set as you wish:vi /usr2/config.xml Mak...
Jul 06, 2017
Linux RealPort Driver Installation Error: unpacking of archive failed on file cpio: MD5 sum mismatc
This can be resolved by using the nomd5 rpm flag:rpm –i -–nomd5 40002086_(Version).src.rpm rpmbuild –ba /usr/src/redhat/SPECS/dgrp-1(version).spec rpm –i /usr/src/redhat/R...
Jul 06, 2017
Configuring a Network Serial Bridge
  Setup:A serial bridge is a network connection between two serial devices, each of which uses a device server. The serial devices "think" they are communicating with each other acr...
Jul 06, 2017
Useful Modem Troubleshooting tips for Dial-in/Dial-out access on Unix® (and other) operating systems
There are some common setup problems people typically have with modems under UNIX®. They have to do with DTR, DCD, flow control, "speed conversion", modem set up, and login concerns s...
Jul 06, 2017
Windows 2000 Does Not Detect my Digi adapter On Boot up.
Symptom: When the system is started for the first time, Windows does not detect the installed Digi adapter.   Cause:The adapter is an ISA or EISA bus type.  The adapter was alr...
Jul 06, 2017
What is the difference between a Digi One IA, and a Digi One IAP?
Digi One IA is not Allen Bradley/Rockwell, and Modbus protocol aware. It simply has a form factor that allows it to be connected to a top hat din rail. The Digi One IAP is Allen Bradley/Rockwell...
Jul 06, 2017
Loopback Testing Asynchronous Ports with HyperTerminal Under Microsoft Windows
 Note:  Microsoft Windows Vista, 7 and 8 do not have HyperTerminal installed by default, there are other terminal emulator applications which can be used instead, such as, PuTTY, Ker...
Jul 06, 2017
PortServer TS and Digi One SP/IA(P) Troubleshooting
Device Does Not Boot UpReset the Digi Device/Terminal Server back to factory defaults and try again.  All of the devices have a reset button.  You will need to power cycle the Digi Device...
Jul 06, 2017
HOW TO: Troubleshoot Modem Connectivity in Linux
 First, you will want to make sure the correct straight through cable is being used to connect the modems.Next, you will want to confirm you can communicate with the modem from the Linux ...
Jul 06, 2017
Performing a COM port loopback test using PuTTY in Microsoft Windows
PuTTY is a free telnet/SSH client which can be downloaded from To perform a loopback test on a COM port, first plug in the loopback plug into the desired port on your Digi hardware....
Jul 06, 2017
How do I update firmware on Digi One IAP using the web interface
The Digi One IAP can have the post and firmware installed using the web interface of the Digi One IAP.After installing the post, the One IAP has to be rebooted.   Then install the IAP EOS...
Jul 06, 2017
How do I update firmware on Digi One IA using the web interface
The Digi One IA can have the post and firmware installed using the web interface of the Digi One IA.After installing the post, the One IA has to be rebooted.   Then install the IA EOS fir...
Jul 06, 2017
Port sharing on the LTS
Enabled via the LTS web ui and/or via the CLI under "set profile" Supports up to 4 sessions per port. Only one of the 4 sessions can be RealPort.   Example: One session being Real...
Jul 06, 2017
HOW TO: Stop Modem Scanning in Microsoft Windows
By default COM ports are scanned in Microsoft Windows for connected modems. A side effect of this action can lead to the port baud rate to changing to 1200 baud.  To turn off this feature, n...
Jul 06, 2017
How can I find the serial number on an HubPort Product
The serial number can be found on a white sticker typically located on the Hubport  device.   The serial number will start with an  S in parentheses and letters\numbers after t...
Jul 06, 2017
How to install COM Ports Installed by RealPort Drivers in Windows
Items to Note before StartingEnsure that the latest RealPort driver is being used, which can be downloaded from the Digi support site.  The RealPort driver file should be unzipped before runni...
Jul 06, 2017
Running cron jobs on the ConnectPort LTS
All steps below are run from the ConnectPort LTS bash shell. #> bash First run the cron daemon:     /bin/crond Next create your cron config file:    vi /usr2/s...
Jul 06, 2017
Setting permissions for remote users on the ConnectPort LTS
If there is no user name on the ConnectPort LTS, all users who passed authentication from the remote server gets ruser permissions. If there is a user name on the ConnectPort LTS, all users who pa...
Jul 06, 2017
Setting link aggregation (802.3ad bonding) on the ConnectPort LTS
To enable:     CLI:  #> set bonding     Web:  Network -> IP Settings -> Network Bonding          &nb...
Jul 06, 2017
Port buffer location on the LTS
From the LTS bash shell: #> bash The port log file(s) are located in the /var/log directory. File name is where X is the actual port number (starting from 1).
Jul 06, 2017
Rules for setting a strong password on the ConnectPort TS
Strong password enforcement is set via the CLI under 'set syssecurity enforce=off/on' To meet the strong password rule in the ConnectPort LTS, more than 4 cases of the following list shoul...
Jul 06, 2017
HOW TO: Install the RealPort Driver in Ubuntu Linux
The latest source rpm driver supporting the latest kernels is available for download from: certain the rpm, alien, kerne...
Jul 06, 2017
Description of the hardware diagnostic options on the LTS via the LCD display
LCD Diagnostic (Auto, Individual) menu runs the following 7 tests. 1.    EEPROM -    Write some data to EEPROM and read back to check 2.    UART (Int...
Jul 06, 2017
How to Uninstall COM Ports Installed by RealPort Drivers in Windows
Items to Note before Starting:Ensure to document the IP address and COM port numbers already installed on the PC before uninstalling the COM ports installed by RealPort drivers.  This can inc...
Jul 06, 2017
Linux and Kernel Revision of the ConnecPort LTS
The ConnectPort LTS runs an embedded Linux operating system: Distribution: DENX ELDK v4.2 Kernel: 2.6.25
Jul 06, 2017
List of SNMP supported MIB files for the LTS
For SNMP Get/Set:     - Digi SMI     - Digi Connectport LTS MIB     - Digi MEI     - Digi Power Supply MIB     - Char...
Jul 06, 2017
Digi Device Discovery Tool or ADDP Shows Device as Misconfigured
The Digi Device Discovery Tool will figure out what it believes to be your Network Adapters IP Address and Submask, and if a Digi Unit on the network reports back with an IP address that does not s...
Jul 06, 2017
HOW TO: ConnectPort LTS Console Management Configuration CLI
  This document explains how to configure out-of-band console management configuration with an external serial modem connected to port one and the remaining ports dedicated to console m...
Jul 06, 2017
Creating a login message on the Connectport TS
This allows you to assign a login message of your choosing to a user.  Immediately after logging in as this user the message will be displayed. First create a standard text file with any info...
Jul 06, 2017
Device Not Reachable on the Network and the IP Address Shows as: 169.254.x.x
Whether due to a network problem, or the lack of a DHCP server on the local network to hand out IP addresses, the device is unable to obtain an IP address.  As a result, the device will t...
Jul 06, 2017
HOW TO: Factory Reset Digi One IA/IAP Device
           There are 2 methods which can be used to factory reset these devices, the web interface or by using the reset button on the unit.Web Int...
Jul 06, 2017
What does serial optimization do on the ConnectPort LTS?
This option can only be set via the ConnectPort LTS CLI:#> set serial optimize=[throughput|latency]Factory default is optimize=throughput.If you set optimize=latency, the RX FIFO Trigger level o...
Jul 06, 2017
Setting permissions for remotely authenticated users on the ConnectPort LTS
Permissions for radius users are assigned by the ‘ruser’ user account.  This is one of the three default accounts on the LTS (others being root and admin).We use a fixed service-ty...
Jul 06, 2017
What are the two extra ports in the RealPort driver for the ConnectPort LTS?
Selecting the ConnectPort LTS when loading the RealPort driver shows an extra two ports.  Example, the ConnectPort LTS 32 will show 34 for the default.  Example below is regarding the Wi...
Jul 06, 2017
Do the AnywhereUSB or AnywhereUSB Plus products support USB Port Sharing or multiple connections?
This KB article is only applicable to the following AnywhereUSB and AnywhereUSB Plus models, all of which offer the Multi-Host Connections (MHC) feature:AnywhereUSB/14 (P/N AW-USB-14)AnywhereUSB/5M...
Jul 06, 2017
How do I update firmware on Digi ConnectPort TS using the web interface
The Digi ConnectPort TS can have the firmware installed using the web interface.   Install the ConnectPort TS firmware and the ConnectPort TS must be reboot...
Jul 06, 2017
ADDP C++ library GUID, debugging and compiling with Visual Studio 2008/2013 issues
In order to implement your custom device discovery tool using the ADDP protocol under Windows, Digi is offering a C++ library Customers reported problems with GUID functions and th...
Jul 06, 2017
RomPager - Evaluation of Security Vulnerability – VU#561444 Expanded info on CVE-
Overview Many Digi products contain and use the RomPager by Allegrosoft web server technology. It has come to our attention that this embedded web server, which is used for management of our devic...
Jul 06, 2017
Migrating Applications from PortServer TS 8/16 to ConnectPort TS 8/16
Please refer to the following Technical Note:Technical Note: Migrating Applications from PortServer TS 8 or 16 to ConnectPort TS 8 or 16 Additional information:8-pin (altpin) configuration for RS4...
Jul 06, 2017
The PortServer TS or Digi One SP Unit Will Not Boot.
Summary: This procedure may help recover PortServers exhibiting 9-1-1, 5-1-1, or 2-2-5 power LED blink codes. Try recovering the unit by attaching a Dumb Terminal or a PC Hyperterminal connection...
Jul 06, 2017
Calculating Supply Voltage for a Loop Powered Sensor
A common application for Digi’s Connect Sensor is connecting to a 4/20mA two wire sensor; also known as a loop powered sensor. In this configuration the sensor is powered from the current l...
Jul 06, 2017
RomPager - Evaluation of Security Vulnerability – VU#561444 Expanded info on CVE-2014-9222, CVE-2014
Overview Many Digi products contain and use the RomPager by Allegrosoft web server technology. It has come to our attention that this embedded web server, which is used for management of our devic...
Jul 06, 2017