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A Technical Reference
Specifications
Bus interface 32-bit PCI
Number of ports 4
Max. No. of boards 4
I/O address Assigned by PCI BIOS
IRQ Assigned by PCI BIOS
Comm. controller 16C550C or compatible
Transmission speed 50 bps – 230.4 Kbps
230.4 Kbps (CP-134UI, CP-134UL)
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
Parity none, even, odd, space, mark
Data signals RS-422 TxD+(B)/-(A), RxD+(B)/-(A),
RTS+(B)/-(A), CTS+(B)/-(A), GND
RS-485 Data+(B)/-(A), GND
Connectors 1 DB44 female port
Optical isolation Max. 2000V (CP-134UI, CP-134UI, CP-134IS)
Surge protection ESD max. 25000V, EFT max. 2000V (CP-134S, CP-134IS)
ESD max. 16000V (CP-134UI, CP-134UL)
Termination Resistor 120 Ω
Operating temperature 0 – 55°C