The 3055 ISA serial interface card provides a single RS-422 or RS-485 port for connection to serial devices. Individually selectable addresses and extended AT interrupts allow for seamless integration into OS/2 and Windows systems. The ULTRA 485's auto enable design eliminates RS-485 communications roadblocks under Windows and OS/2. The ULTRA 485 appears to the host system as a standard COM: port requiring no special drivers or additional software
B&B Electronics 422ICC 1-Port RS-422/485 Serial Card 8-Bit ISA - Handshake This single port Model 422ICCB serial card supports TD, RD, RTS, CTS, DSR, CD, and DTR with an RS-530 compatible male...
