MarkNet internal print server
USB/Parallel 1284-C Interface Card
Adds a Universal Serial Bus (USB) port or a parallel port.
Coax/Twinax Adapter for SCS
Adds a coaxial/twinaxial port.
Adds LocalTalk, serial, and infrared ports. For details on setting up and using the Tri-Port Adapter, refer to the documentation that shipped with the card.
Adds infrared functionality.