US Robotics Sportster 0460 005687-B0 8-Bit ISA Internal Fax Modem 14.4K

US Robotics Sportster 0460 005687-B0 8-Bit ISA Internal Fax Modem 14.4K

The US Robotics Sportster Model 0460 is an 8-bit ISA internal fax/data modem card designed for installation in desktop PCs equipped with an ISA bus slot. Part number 005687-B0, this card connects to a standard phone line via its dual RJ-11 jacks — one for the incoming line and one for a pass-through telephone handset. An onboard speaker provides call-progress audio. The Sportster line was one of US Robotics' core consumer and small-business modem families, known for broad software compatibility and straightforward installation.

Specifications & What's Included

• Brand: US Robotics
• Model: Sportster 0460
• Part Number: 005687-B0
• Bus Interface: ISA, 8-bit
• Form Factor: Half-height ISA expansion card
• Connectors: 2x RJ-11 (Line In / Phone pass-through)
• Onboard speaker for call-progress audio
• Multiple controller and support ICs visible on PCB
• Includes: modem card only — no software, manual, or bracket accessories observed

Applications

The US Robotics Sportster series was a mainstream ISA dial-up fax/data modem family produced through the mid-1990s, targeting home users, small offices, and corporate desktops running DOS and early Windows. ISA-bus modems like the Sportster 0460 connected PCs to the public switched telephone network (PSTN) for dial-up internet access, fax transmission, and bulletin board system (BBS) communication — the dominant form of PC connectivity before broadband became widespread. The 8-bit ISA form factor was compatible with a wide range of AT-class systems including 286, 386, 486, and early Pentium-era motherboards that retained ISA slots. Today these cards are sought by vintage PC enthusiasts, retrocomputing hobbyists, and collectors restoring period-correct DOS or early Windows machines. US Robotics was later acquired by 3Com, and the Sportster branding continued under that umbrella through the late 1990s.