USR025630G, US Robotics USR025630G, External Faxmodem, 56Kbps, 4 LEDs, 1xRJ-11, RS232/V.24 - DB25, 200g, white | EET
US Robotics 33.6 CJEMUL-35730-M5-E Fax Modem T102517 - TEAMEQUIP
Amazon.com: U.S. Robotics USR5637 56K USB Controller Dial-Up External Fax Modem with Voice : Electronics
USR :: USR5686G Serial Faxmodem
56K Dialup Internal and External Fax Modems, Remote Management Console Server Power Hybrid, Network Taps, Telephony and USB 3.0 Peripherals - USRobotics, a Divison of UNICOM Global, United States & Canada
US Robotics 56k modem vintage faxmodem US seller - Read Description | eBay