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Appendix A Technical Reference
Specifications
Bus interface 32-bit PCI
Number of ports 2
Max. No. of boards 4
I/O address Assigned by PCI BIOS
IRQ Assigned by PCI BIOS
Comm. controller MOXA UART (16C550C compatible)
Transmission speed 50 bps to 230.4 Kbps (CP-132UL, CP-132U-I)
50 bps to 921.6 Kbps (CP-132UL V2, CP-132UL-I V2)
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
4-wire RS-485 TxD+(B)/-(A), RxD+(B)/-(A), GND
2-wire RS-485 Data+(B)/-(A), GND
Connectors 2 DB9 male ports
Optical isolation Max. 2000V (CP-132U-I, CP-132UL-I V2)
Surge protection ESD max. 16000V (CP-132UL, CP-132U-I,
CP-132UL V2, CP-132UL-I V2)
Termination Resistor 120 Ω
Operating temperature 0 – 55°C