3Com U.S. Robotics 56k Fax/Modem

US Robotics 56K External Fax Modem V.92 Model 5686 w/Power Adapter. Powers on

US Robotics 56k modem vintage faxmodem US seller - Read Description

US Robotics 56K V.92 Fax Modem 5686 W/ Serial Cable - No Power Supply - Untested

Brand New Vintage US Robotics Model 5686 3Com 56K Faxmodem External Modem

U.S. Robotics US USR 56K External USB Faxmodem Model 5633 Modem

US Robotics 56K External Fax Modem V.92 Model 5686 w/ Power Adapter

US ROBOTICS #5686 56K Business Fax Modem NO POWER ADAPTER