USR 56K* V.92 Serial Controller Faxmodem

Overview & Features     Specifications     Data Sheet     Support

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
  • Hayes Compatible


  • 4 LEDs (RD, SD, CD, PWR)
  • DTE Interface: RS232/V.24 - DB25 female connector
  • Phone Line Interface: One RJ-11 socket
  • Power Supply: 9VDC, 0.5A
  • Power Switch


  • 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: ≈3.5W active, ≈1.5W idle (including provided power adaptor)
  • Typical: ≈2.5W active, ≈1.1W idle (excluding power adaptor)

Package Dimensions/Weight

  • 21.5 x 17.0 x 6.5 cm
  • 0.2 kg

Product Dimensions

  • 15.24 x 11.43 x 3.49 cm

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, Server 2011, Windows 7/8/10 64 bit, Win 7/8/10, 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 higher.

Package Contents

  • USRobotics 56K Serial Controller Faxmodem
  • AC Power Supply Unit
  • RJ-11 Telephone cable (2.1 m) and adapter (will vary according to version)
  • RS-232 Serial cable
  • Quick Install Guide
  • USRobotics Installation Essentials CD with modem device drivers, data/fax software, MoH, and manuals

Product Numbers

  • USR015630G – UK, Ireland
  • USR025630G - France, Germany, Austria, Switzerland, Benelux, Nordics, Iberia, Rest of Europe
  • USR135630G – Italy, Middle East, Israel

Warranty Information

USRobotics warrants to the original purchaser that this product will be free from defects in materials and workmanship for a period of two years from the 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.


56K* V.92 Serial Controller Faxmodem
Where to Buy

MSRP € ex Vat: 94.90

Product Code : USR135630G
(replaces USR025630G)

Approved for EU USR135630G ONLY: Israel

Additional Availability

Contact Us

  • Phone (UK):
    +44 (0)808 234 5935

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