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Digi Connect SP®

Compact Form Factor Serial Server for Custom Networking Applications

  • 1 switch selectable RS-232/422/485 serial port
  • Customizable device server
  • Python and Device Cloud support
  • Integrated mounting tabs
How to Buy

More and more, electronic devices used in all types of commercial applications are being network-enabled so that data from those devices can be accessed, evaluated and utilized in real time. The Digi Connect SP device server is a simple and cost-effective solution for migrating electronic devices to this emerging world of networked device collaboration.

Built on Digi’s 32-bit NET+ARM technology, the Digi Connect SP provides a powerful off-the-shelf hardware platform for standard plug and play device networking as well as custom network applications. The award-winning NET+ARM architecture provides a seamless migration path to embedded modules and a fully-integrated system-on-a-chip solution.

The Digi Connect SP also provides an easy user interface, product customization options, intelligent remote management and monitoring capabilities through Digi Remote Manager, full IPv6 support and standard management interfaces including SNMP.



  • 32-bit NET+ARM high-performance RISC processor (NS7520 55 MHz)
  • 4 MB Flash and 16 MB RAM integrated
  • Switch-selectable RS-232/422/485 interface (DB-9M)
    • Throughput up to 230,400 bps
    • 7, 8 data bits
    • 1, 1.5, 2 stop bits
    • Mark/space/even/odd parity
    • Full signal support with software/hardware flow control
  • Auto-sensing 10/100 Mbit Ethernet interface and network link
  • Digi plug-and-pay firmware and NET+OS development kit available 


  • Storage temperature: -40º C to +90º C (-40º F to +194º F)
  • Operating temperature: 0º C to +60º C (32º F to +140º F)
  • Relative humidity: 5% to 90% (non-condensing)
  • Altitude: 12,000 Feet (3658 Meters)

Regualatory Approvals

  • FCC Part 15, Class A
  • EN 55022
  • EN5J024
  • VCCI
  • AS 3548
  • UL60950
  • CSA 22.2 NO.60950
  • EN 60950

Power Requirements

  • 9-30VDC @ 370 mA


  • Digi Connect SP
    • Length: 3.876 in (9.846 cm)
    • Width: 1.680 in (4.267 cm)
    • Depth: 0.999 in (2.537 cm)
    • Weight: 2.29 oz (6.50 g)


  • Network link
  • Ethernet activity
  • Custom (red)

Line Art

  • Digi Connect SP - Front
  • Digi Connect SP - Back

Support Documentation

Getting Started Guides

User Manuals

Technical Notes







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