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Configuration: 30 result(s) found
Installation: 19 result(s) found
Hardware: 28 result(s) found
Miscellaneous: 25 result(s) found
Troubleshooting: 14 result(s) found


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Where can I locate Legacy drivers?
Category: Miscellaneous, Configuration, Hardware, Installation, Troubleshooting
Please visit the following page ftp://digiftp.digi.com/support_archive
Using Digi XTend, XStream, XCite, XBee radio modems for internet access
Category: Miscellaneous
The Digi XTend, XStream, XCite, XBee radio modems specialize in long range, low data rate, serial data. Our radio modems are used in point-to-point and point-to-multipoint industrial networks to transfer serial data at rates of up to 115200 bits per ...
Material used for PKG stickers (labels)
Category: Hardware
The sticker applied to the top of the PKG radio modem products from MaxStream is printed by http://www.Anagraphica.com in Salt Lake City. The material used is 10 mil polished velvet poly carbonate - otherwise known as Lexan.
Using Digi radios in multidrop networks
Category: Installation
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-drop applications normally use...
Modems approved for use in Australia
Category: Hardware
Our X24-___ and XTH9-___ modems are approved for license-free use in Australia.
How to mechanically secure RF module
Category: Hardware, Installation
The XStream, XCite, and XBee RF modules do not have mounting holes through the PC board so we have suggested several other methods for securing the module: Position the module in the housing so that the packaging provides a mechanical barrie...
Recommended female receptacle (header) for electrical interface to module
Category: Hardware, Installation
What is the recommended female connector (receptacle) for mounting the RF module? XStream and XCite interface connectors The XStream and XCite radio modules are supplied with 11-pin and 4-pin 0.1" spaced male connectors for interfacing ...
Department of Defense Form 1494 (DD 1494)
Category: Miscellaneous
When installing radio systems on a military base or other Department of Defense sites it is necessary to obtain equipment certification from the National Telecommunications and Information Administration (NTIA) by submitting DD form 1494, Application...
Modules use Peer-to-Peer networking by default
Category: Configuration
Most Digi radio modems ship from the factory with the simple communication mode enabled which doesn't use acknowledgements or retransmissions. The modules work right out of the box with no configuration. They communicate using peer-to-peer technology...
PWM RSSI signal - ATRP command for analog RSSI indication
Category: Configuration, Troubleshooting
Digi XStream, XTend, and XBee modules now feature an ''analog'' output of the received signal strength relative to the receiver sensitivity of the module. This output is available as a PWM (pulse width modulation) signal on the config pin of the modu...
Timing Comparison For Data Transfer By Product
Category: Miscellaneous
Timing comparison Timing measurements are made with the radio modems in their default configuration. The measurements are made on a pair of modems performing a loopback test. Modem A is connected to the PC Com port and Modem B has a loopback connect...
Maximizing range
Category: Installation, Hardware
This document introduces the basics of a wireless communications system and explains how to maximize range when commissioning a system. It explains how to install radios, antennas and cables in a way to maximize the reliability of communication. ...
Vibration and shock testing and performance
Category: Hardware, Installation, Miscellaneous
We have had several inquiries about how well the Digi radio modems perform in high vibration environments. Digi has not conducted any vibration analysis tests on our own products. However, our customers have done extensive testing lab and field testi...
Wireless RS232, what are the options?
Category: Installation
Are you searching for a wireless RS232 solution? (or RS485 for that matter). If so there are several options for building wireless capability into existing RS232 systems. This aticle, explores the tradeoffs between using wireless chipsets, RF modul...
Error detection and correction
Category: Miscellaneous
MaxStream radio modems perform a 16-bit CRC (cyclic redundancy check) to check for errors in every transmitted data packet. If an error is found the packet is discarded and not sent out the serial port. Error correction is available on the XStream a...
Receiver Noise Figure, Receiver IF Bandwidth, Signal to Noise Ratio
Category: Miscellaneous
Does Digi publish the following information for its radios:   Receiver Noise Figure Receiver IF Bandwidth Signal To Noise Ratio Receive Power   These specifications are generally requested when using software ...
Is RSSI the best indication of link quality?
Category: Miscellaneous
One thing to keep in mind is that the RSSI is only an indication of the RF energy detected at the antenna port. The power level reported could be artificially high because it may include energy from background noise and interference as well as the...
The chipping rate of Digi spread spectrum modules
Category: Miscellaneous
Chipping rates are related to the amount of bandwidth taken up by Direct Sequence Spread Spectrum radios. Most Digi radios use Frequency-Hopping Spread Spectrum to communicate. Frequency channels ranging between 25 and 50 independen...
Upgrading RF Modem modules to the latest firmware using X-CTU
Category: Configuration, Troubleshooting
Digi radio modems support field firmware upgrades. The upgrade process requires the Digi interface board (supplied in a development kit or a PKG product) and a PC with a Windows OS. One of the reasons you might want to upgrade the firmware is becaus...
Restore modem defaults using HyperTerminal
Category: Troubleshooting
If you are unable to communicate with a modem, it is a good idea to try restoring the module defaults. The easiest way to do this is by using the XIB-R (XIBR) interface board or PKG-R (PKGR) product. (Turn DIP switches 1 & 2 to the on positions a...
Interface board schematic
Category: Hardware
Attached are the schematics for Digi radio interface boards. SPKG: Older interface board used with XStream radios--a good reference design schematic for creating your own RS232 interface board. XIB-R: Current interface board used with X...
Antenna and cable impedance
Category: Hardware, Installation
Digi RF products are engineered to drive a 50 ohm load. All RF cables or antennas attached to the antenna connector should provide a 50 ohm match. Ensure that the cable being used is rated for the frequency of the module you are using, we recommen...
Use of content from Digi manuals
Category: Miscellaneous
Content from Digi manuals may be used by our OEM customers in their own documentation subject to the following conditions: Clearly state: "Parts of this manual are used by permission of Digi, Inc." Submit a copy of the...
Intrinsic safety certifications
Category: Hardware, Miscellaneous
What information do I need to obtain Intrinsic safety certifications? Digi radio modems have been integrated by a number customers into products that are used in hazardous environments. For electronic equipment to be used in environments with com...
Minimum seperation distance between antennas and nearby persons
Category: Installation, Hardware
Digi RF products are FCC approved for use in fixed base station and mobile applications. As long as the antenna is mounted at least 20cm (8in) from nearby persons, the application is considered a mobile application. If the antenna will be mounted clo...
Flow control
Category: Configuration
Serial flow control is used to prevent buffer overruns. When a host microprocessor is shifting data into the radio modem''''s serial buffer, if the buffer is getting full the radio will de-assert Clear-To-Send (CTS) signal indicating to the host that...
Does a 1/2 wave antenna need a ground plane?
Category: Installation
Does a 1/2 wave antenna need a ground plane? Answer: No. The 1/2 wave antenna (also called a dipole antenna) is built of two 1/4 wave elements that interact with one another to launch the electro-magnetic wave. It does not require a ground pl...
Should I use a 1/4 wave or 1/2 wave antenna?
Category: Hardware, Installation
What is the difference between a ½-wave and a ¼-wave antenna? Antenna Type ½-wave ¼-wave Alternate name Dipole ...
Parity settings on module
Category: Configuration
Data formats supported by Digi radio modems are as follows: By data format we are referring to the number of data bits(B), type of parity(P): Even, Odd, Mark, Space or None (E, O, M, S or N) and number of stop bits(S). This is often represent...
Radio Emission Designation And Modulation Type For Digi RF Radios
Category: Miscellaneous
9XStream/9XCite Modulation Type: FSK Emission Designation: 260KF1D 24XStream Modulation Type: FSK Emission Designation: 400K0F1D 9XTend Modulation Type: FSK (@9600 baud), GFSK (@115200 baud) Emission Designation: 350KF1D (XT09) EmissionD...
Application Note - XBee Antennas
Category: Hardware
This document presents practical information regarding the performance of the XBee and XBee-PRO RF Modules. The focus will be on the attributes of the different antenna options that are available to the modules. This information is intended to assist...
Which RF connector is better to use: MMCX, RPSMA, or U.FL?
Category: Hardware
Digi radios come in a variety of antenna options. The options that allow you to connect an external antenna are RPSMA, MMCX, and U.FL. RPSMA is the more traditional antenna connector, however if the radio is going to be inside of an enclosure, the...
XBee, ZigBee, and 802.15.4 Compatibility
Category: Configuration, Hardware
"Is the XBee module compatible with other ZigBee and 802.15.4 devices?" XBee radios are 802.15.4 and ZigBee network compatible and can reside in and around existing 802.15.4 and ZigBee networks. By default, the XBee contains some MaxStream proprieta...
Interfacing Digi OEM RF Modules to Microcontrollers
Category: Hardware
Digi radios are compatible with microcontrollers from a variety of vendors. For this reason, Digi does not make recommendations for choosing a specific microcontroller to interface with our radios. However, we can offer a few feature suggestions to c...
Which Radio Does Digi Recommend for Wireless Video Applications?
Category: Installation
The XPress Ethernet Bridge (XEB) is well-suited for video applications that require longer range distance (1000ft non-line of sight) using medium or low video resolution and medium or low frame rates (frames per second). For video applications with h...
Using Port Monitoring Software for Troubleshooting
Category: Miscellaneous, Troubleshooting
Some integrators who start with a working hard-wired application may find they are not successful when substituting the radios for the wired connection. The best troubleshooting approach is to isolate the problem. A good starting point is to ensure t...
Antenna Connection Options
Category: Hardware, Installation
In order to comply with FCC rules and obtain a "modular" certification, it is required that Digi radios utilize a "non-standard" connector. This is to ensure that the radios are used only with approved antennas. Below are the various antenna options ...
Wireless CAN (Controller Area Network)
Category: Miscellaneous
The CAN (Controller Area Network) serial protocol was originally designed to be used for communication between sensors and computers in automotive applications. Since its inception it has grown to be used in a number of different commercial and indus...
802.15.4 and ZigBee
Category: Configuration
Creating wireless networks can be done using a variety of RF protocols. Some protocols are proprietary to individual vendors, others are industry standards. This Application Note will explore the ZigBee protocol industry standard for data transmissio...
Sleep Timing, Retry Timing, and Encryption Throughput
Category: Configuration, Troubleshooting
Below are timing charts showing details associated with transmit/receive timing of our modules. Note that next to each module type is the firmware version. Timing schemes may vary by firmware version. Sleep Mode Timing Modem (firmware version...
Does Digi offer or recommend breadboards for developing with OEM RF Modules?
Category: Hardware, Troubleshooting
Digi does not sell any breadboards for development. The following provides some recommendations. 9XStream/24XStream, 9XCite XStream and XCite OEM RF Modules use a standard 2.54mm (0.1) spacing head...
Analog to Digital Conversion on the XBee 802.15.4
Category: Configuration, Configuration
The basic concept behind A/Ds or ADCs (Analog to Digital Converters) is to allow the analog signals to be converted to a digital format that can be easily read/transmitted in digital form. The XBee and XBee-PRO have integrated A/Ds that allow the mod...
What is API (Application Programming Interface) Mode and how does it work?
Category: Configuration
API (Application Programming Interface) mode is a frame-based method for sending and receiving data to and from a radio's serial UART. The API is an alternative to the default transparent mode. The API allows the programmer the ability to: Ch...
XBee 802.15.4 Addressing
Category: Configuration
The 802.15.4 RF protocol uses addressing to distinguish one radio from the next and prevents duplicate data packets. It is very important that each XBee module have a unique source address (MY) to prevent non-duplicate messages from being ignored as ...
XBee 802.15.4 Digital Input/Output Line Passing
Category: Configuration
The basic concept behind Digital Input/Output (DIO) lines is to pass a digital signal on the DIO pins, in addition to the serial UART data that the XBee sends. The XBee is capable of directly sending these DIO signals from one module to another witho...
Modbus Protocol
Category: Installation
Modbus is a serial protocol commonly used in industrial automation applications. MaxStream XTend radio modems support Modbus-ASCII and Modbus-RTU with no special configuration. In fact, the radio modems are designed to be transparent (the application...
XBee Cyclic Sleep Example: Indirect Messaging
Category: Configuration
Sleep modes can be used to effectively reduce power consumption and extend battery life. Indirect messaging is one way in which the XBee family of radios can conserve power through periodic sleep and wake cycles. During these sleep cycles, a base nod...
Range Testing with a ZigBee Mesh Network
Category: Configuration
This test is designed to allow the user to quickly establish a functional ZigBee Networking Range Test. Minimum required amount of hardware to run a ZigBee Range Test: Three XBee modules, two loaded with XBee ZigBee Router AT Firmware and one...
Installing the USB Driver
Category: Installation
Before installing the driver, make sure you have the PKG-U device and the X-CTU installation disk in your PC. If you do not have a Digi CD, you can download the USB driver from our web site*. You may also want to verify if you have sufficient privile...
Escaped Characters and API Mode 2
Category: Configuration
This article assumes the reader already has a general understanding the API structure, and how it can be used. This article is intended to relate the difference between API modes 1 and 2. For more information on what the API command structure is and ...
RoHS Certificate of Compliance
Category: Miscellaneous
RF Products as of 1 June, 2013 The wireless devices identified in this certificate are in compliance with the European Union Directive 2011/65/EU on the restricted use of certain hazardous substances (RoHS Directive / RoHS II Directive). Based o...
Converting the XBee PWM to an analog voltage for DAC (Digital to Analog Conversion)
Category: Configuration
The XBee 802.15.4 (Series 1) radio supports Analog Line Passing, this allows you to pass an analog voltage wirelessly without the need for an external microcontroller. The 802.15.4 XBee has an ADC, but does not have a DAC. In order to provide an equi...
Does Digi provide sample code for accessing the radio's UART?
Category: Miscellaneous
No, we do not. All Digi radios are designed to operate transparently with existing products. The application or device simply needs to be able to read and write to the UART or COM/serial port. If you are not sure ho...
The AT Command Set
Category: Configuration, Miscellaneous
The AT command set, also known as the Hayes command set, was originally developed for use with the Hayes modems in the 1980s. Many modern dialup modems are still based around this standard. The term AT command comes from the use of the ASCII characte...
Calculating the Checksum of an API Packet
Category: Configuration
The API operation of the radios (XTend and XBee) requires that communication through the UART or serial port of the radio be done through a structured interface where data is communicated in formatted hexadecimal frames. New frames begin with the del...
The Major Differences in the XBee Series 1 vs. the XBee Series 2
Category: Miscellaneous
The two most common RF radios that are available from Digi are the Series 1 and Series 2 XBee. The Series 1 and Series 2 modules are quite similar, but selection of a module should be based upon application specific needs. All XBee radios...
Sending data through an 802.15.4 network latency timing.
Category: Configuration, Hardware, Installation, Miscellaneous, Troubleshooting
How long does it take to send data through an 802.15.4 network?   Digi's XBee Series 1 radio modules run 802.15.4 firmware, which allows them to transmit data in a point-to-point, peer-to-peer or point-to-multipoint (star) network architect...
Zigbee Layer Acks: How can I be sure that my zigbee end device got data from my Python application?
Category: Miscellaneous, Troubleshooting
This article explains how to configure a Python application''s socket connection so that it waits to hear back from the zigbee end device before proceeding. This is opposed to normal behavior, which is simply sending the data down to the zigbee layer...
Why do some of my XBee Network devices say "unspecified" under Product Type, but others have the correct Product Type listed?
Category: Configuration, Hardware
The "Product Type" column on the Configuration > XBee Network and Administration > System Information > XBee Network pages of the ConnectPort X gateways WebUI is a user-configurable field which can be used to help identify various device typ...
What values can I use in XCTU for the DD (Device Type Identifier) parameter?
Category: Configuration, Hardware
The XBee / XBee-PRO DD parameter is the Device Type Identifier field. The DD field is a 4-byte hex string, consisting of an upper and lower word, which when put together result in a meaningful designation such as "RS-232 Adapter" or "X8 Gateway". Th...
Series 1 XBee / XBee-PRO 802.15.4 and DigiMesh 2.4 Compatibility Factsheet
Category: Hardware, Troubleshooting
Note: This article uses the terms "XBee" and "module" interchangeably to mean bothXBee and XBee-PRO 802.15.4 modules, unless otherwise noted. Series 1 modules employ a Freescale-based processor and are identifiable by module partnumber. This is fou...
How do I recover my XBee adapter?
Category: Troubleshooting
1. Take the module out of the interface board 2. Connect the interface board to the computer 3. Open X-CTU make sure Baud Rate is set to 9600 4. Go to "Modem Configuration" 5. Put a check in the "Always update firmware" bo...
XBee & RF Module Feature Comparison Matrix
Category: Hardware
What: XBee & RF Module Feature Comparison Matrix Why: One stop shopping to quickly make a module selection and to understand feature differences. Where: On all Digi.com RF Module product pages and directly here - XBee & RF Module ...
XCTU displays the following error: Unable to communicate with modem
Category: None
Problems may occur when attempting to communicate with an XBee. The baud rate may be unknown, or the firmware within has disabled the serial port. If you work with the XBee AIO or DIO adapters, you will probably need to use this procedure. You can...
USB Drivers for Digi radios and modems: XBee, XTend, and XStream
Category: Installation
Link to the current version of the Digi RF Driver Installer for all versions of Windows: ftp://ftp1.digi.com/support/driver/Digi_USB_RF_Drivers.exe For Linux and Macintosh OS X, it's highly recommended to download and install the drivers directly...
Using Remote AT Commands to Toggle an IO on a Remote XBee 802.15.4 Radio
Category: Configuration
Using API mode it is possible to send commands from a transmitting radio to a receiving radio. This allows for module parameter registers on a remote device to be queried or set. One useful application of this feature is to toggle an IO on a remo...
How to find out the date code and manufacturing location information of Digi Products.
Category: Configuration, Hardware, Installation, Miscellaneous
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 these examples the 26th week of 2012. Thailand M...
Maximum payload size for Digi RF radios
Category: Configuration, Miscellaneous, Troubleshooting
When the radio is being used in a transparent (AT) mode, packet size is irrelevant because the data will be fragmented as needed. However, when using API frames, it is important not to exceed the allowable payload size.  Maximum payload size ...
Recovery procedure for Digi RF products
Category: Configuration, Hardware, Troubleshooting
This article is an all-inclusive guide for recovering a Digi RF product that is in an unresponsive state. Please click on the type of radio you are experiencing problems with to go to the appropriate section: • General troubleshooting...
Optimizing USB to Serial Port Settings 
Category: Configuration, Hardware, Installation, Miscellaneous, Troubleshooting
Digi interface boards and USB adapters use an FTDI Chip for the USB to serial conversion. The default configuration for FTDI's drivers are optimized for high speed serial devices. Digi RF radios operate at lower baud rates than are optimal for these ...
Understanding white label on XBee module
Category: Hardware, Configuration, Miscellaneous
  Location of label items will vary by product, and may change over time.
Digital and Analog Sampling Using XBee Radios
Category: Configuration, Hardware, Miscellaneous
  XBee radios have multiple I/O lines that can be used to gather Digital or Analog data, then transmit that data to another XBee for interpretation. Because sample data is always provided in an API format, it can be intimidating trying to un...
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