US Robotics Sportster 33.6K ISA Modem Card 00112506 1.012.0332 8-Bit PC

US Robotics Sportster 33.6K ISA Modem Card 00112506 1.012.0332 8-Bit PC

The US Robotics Sportster 33.6K is an 8-bit ISA internal dial-up modem card designed for IBM PC/AT-compatible desktop computers. It connects to standard telephone lines via RJ-11 jacks and handles both data and voice/fax communications at up to 33,600 bps. The card carries USR part number 00112506 and product revision 1.012.0332-MC, manufactured in 1996.

Specifications & What's Included

• Manufacturer: US Robotics
• Product Line: Sportster
• Part Number: 00112506
• Secondary Part Number / Product Rev: 1.012.0332-MC
• Bus Interface: 8-bit ISA (edge connector visible in photos)
• Data Rate: 33.6 Kbps (33,600 bps)
• Connectors: Two RJ-11 ports on bracket (line + phone)
• Onboard Speaker: Yes (cylindrical piezo/magnetic speaker visible on PCB)
• FCC Registration: CJEUSA-23364-MM-E
• FCC ID: CJE-0332
• Standards: FCC Part 68; CAN/CSA-C22.2 No. 950; UL Listed (Accessory Information Technology Equipment)
• Ringer Equivalence: 0.2B; Load Number: 20
• PCB Date Code: 96/4 (Q4 1996)
• Hardware Revision: R.2 (label on bracket)
• Included: Card only — no driver disk, cables, or US Robotics Sportster series was among the most widely used internal modem lines of the mid-1990s, popular in home and small-office PCs running DOS, Windows 3.1, Windows 95, and early Windows 98. These 8-bit ISA modem cards connect to the public switched telephone network (PSTN) for dial-up internet access, fax transmission, and bulletin board system (BBS) connectivity. The dual RJ-11 bracket allows one jack to connect to the wall line and a second for pass-through to a telephone handset. ISA modems of this generation are now largely obsolete for everyday internet use but remain sought by vintage PC enthusiasts, retro computing hobbyists, and anyone maintaining legacy DOS or early Windows systems that require an internal ISA dial-up modem. The Sportster 33.6K dates from the transitional era just before 56K modems (V.90/K56flex) became standard, representing one of the last high-speed pre-56K internal modem designs.
  Condition: Used
  This US Robotics Sportster 33.6K ISA modem card has been inspected and appears to be in good used condition. The PCB is clean with no visible damage, broken traces, or missing components. The bracket and RJ-11 ports look intact. Normal light handling wear is present consistent with prior installation. This is a card-only listing — no driver disk, cables, or accessories are included. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function. Visit Our Store

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