CI-134

• 4 RS-422/485 ports, uprop 16 ports per host
• ISA bus
• RS-845 Automatic Date Direction Control (ADDC)
• On-board termination resistors for impedance matching
• Speed up to 921.6K bps
• Optional optical isolation (2KV) or surge protection (25KV ESD)

CI-134: 4 ports RS-422/485 board

CI-134I: 4 ports RS-422/485 board with optical isolation (2KV)

CI-134IS: 4 ports RS-422/485 board with optical isolation (2KV) and surge protection (25KV ESD)