Vintage IBM PS/2 Multiprotocal Adapter/A FRU 96F9156 85F0004 MCA Microchannel
Adapter Capabilities
- Supports ISO/CCITT Level 2 and Level 1 protocols:
- Level 2: Asynchronous, Bisynchronous (BSC)
Synchronous Data Link Control (SDLC) /
High-level Data Link Control (HDLC)
(Note: SDLC/HLDC mode supports DMA arbitration) - Level 1: EIA RS-232C
- Automatic protocol switching via software at setup
- Supports half-duplex or full-duplex serial transmissions
- Supports modems or direct attach
- Fully programmable at speeds up to 19,200 bps
- Internal wrap-back test loop for diagnostics
More information: www.ardent-tool.com / comms / Multiprotocol.html
Used, and untested -- no reason why it shouldn't work, no issues with capacitors as far as I can see.
Photo is example and isn't the exact card that is sent, even though it is the same model of card.
Packaging: Anti-static bag, bubble wrap, cardboard box