56K* V.92 Serial Controller Dial-up External Faxmodem

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Your Price: $112.99
Model: USR5686G
Availability: In Stock

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USR5686G-VAR-20 bulk pack also available.

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Specifications & Standards


  • V.92, V.90, V.34+, V.34, V.32bis, V.32, V.22bis, V.22, V.23, V.21, Bell 103, and Bell 212A
  • V.42/MNP 2-4 error correction, V.44 & V.42 bis/MNP 5 compression
  • V.80 video conferencing support
  • Fax: V.17, V.29, V.27ter, V.21; EIA 578 (Class 1) and EIA 592 (Class 2.0), Group III
  • Caller ID and distinctive ring (require service from your local phone company/Caller ID may not be supported in some countries)
  • Hayes Compatible


  • 8 Position DIP Switch
  • 7 LEDs (AA, CD, RD, SD, TR, CS, ARQ/FAX)
  • DTE Interface: RS232/V.24 - DB25 female connector
  • Phone Line Interface: Dual RJ-11
  • Power Supply: 9VDC, 0.5A
  • Power Switch
  • Volume Control Knob


  • Temperature: Operating Temperature conditions: 0 to 50 degrees C, Non-Operating Temperature conditions: -20 to 70 degrees C
  • Humidity: Operating Humidity conditions: 20% to 80% non-condensing, Non-Operating Humidity conditions: 5% to 95% non-condensing


  • FCC approved (Part 15/Part 68)
  • IC approved
  • UL/CUL listed
  • CE approved (Class B)
  • UKCA certified
  • RoHS3 compliant
  • DoE Level VI

Power consumption

  • Typical: ≈3.6W active, ≈1.6W idle (including provided power adapter)
  • Typical: ≈2.5W active, ≈1.1W idle (excluding power adapter)

Package Dimensions/Weight

  • 9.5 x 5.75 x 2.6 in.
  • 1.65 lb

Product Dimensions

  • 6.5 x 3.75 x 1.3 in.
  • .54 lb

Minimum System Requirements

  • Available Serial Port
  • Analog Phone Line
  • RS-232 Serial Cable

Operating Systems

  • Modem is compatible with Server 2019, Server 2016, Server 2012 R2, Win 10, Win 10 64 bit, Server 2012, Server 2011, Windows 8 64 bit, Win 8, Windows 7 64 bit, Win 7, Server 2008 64 bit, Server 2008, Vista 64 bit, Vista, Server 2003 64 bit, Server 2003, XP 64 bit, XP, NT 4.0, 2000, ME, 98, 95, 3.1, Linux and DOS.
  • Unimodem TSP/TAPI compliant
  • Fax software requires Microsoft Windows 95 or later
  • Modem on Hold requires Windows 2000 or later.

Package Contents

  • USRobotics 56K Serial Controller Faxmodem
  • AC Power Supply Unit
  • RJ-11 Telephone cable (7 ft)
  • Quick Install Guide
  • USRobotics Installation Essentials CD with modem device drivers, data/fax software, MoH, and manuals

Product Numbers

  • USR5686G

Warranty Information

2-year limited manufacturer warranty from date of purchase. Click here for full warranty information.

*Capable of receiving at up to 56 Kbps and sending at up to 48 Kbps (or 31.2 Kbps with V.90 server). Due to FCC regulations, receiving speeds are limited to 53 Kbps. Actual speeds may vary. V.92 and V.90 features require compatible phone line and support from your Internet Service Provider (ISP). USRobotics modems featuring V.92 enhancements are backward compatible and will negotiate the highest possible speed when connecting to an ISP.
† Call Waiting service required for using Modem on Hold (MoH). Call Waiting/Caller ID service required for utilizing Caller ID feature of MoH
‡ Advanced fax functionality may require installation of bundled software.
§ Time measured from start of modem tones, amount of time may be slightly longer with error control enabled.

Windows Product Compatibility Windows

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