Extended Systems ESI-3284 ExtendedLink Printer Sharing Module Card 8-Port RJ45

Extended Systems ESI-3284 ExtendedLink Printer Sharing Module Card 8-Port RJ45

The Extended Systems ESI-3284 is a printer sharing module card using Extended Systems' ExtendedLink Technology, designed to allow multiple networked users to share a single parallel printer. The card connects to a host system or printer sharing chassis via a 50-pin parallel header and provides 8 RJ45 ports for client workstation connections.

Specifications & What's Included

• Brand: Extended Systems
• Model: ESI-3284
• Product Line: ExtendedLink Technology
• Form Factor: Card / Module
• Number of Ports: 8
• Port Type: RJ45
• Host Interface: 50-pin parallel header connector (rear edge)
• PCB: Green multi-layer board with multiple ICs visible; capacitors and supporting logic circuitry
• Card only — no cables or mounting accessories included

Applications

The ESI-3284 is a printer sharing module from Extended Systems, a Boise, Idaho-based company that was a well-known maker of serial and parallel connectivity solutions in the 1990s and early 2000s. ExtendedLink products were used in office and workgroup environments to centralize printer access, allowing multiple desktop users to share a single parallel printer over structured cabling without requiring a dedicated print server PC. This card would typically seat into an Extended Systems printer sharing chassis or compatible enclosure. These devices were common in mid-to-large office environments during the parallel-printer era, before USB networking and IP-based print servers made shared parallel printing largely obsolete. This card is sought today for legacy office installations, equipment repair, and compatible Extended Systems chassis upgrades.