Moxa Technologies Industrial Serial Board CI-132 - Manual (Page 2)

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5. Pin Assignments
CI-132 has two male DB9 ports on the board. In the following figure,
we give the RS-422/485 pin assignments for the ports.
CI-132 Ports (on the board)
Male DB9
1 5
6 9
Pin RS-422 2-wire RS-485
1 TxD-(A) Data-(A)
2 TxD+(B) Data+(B)
3 RxD+(B)
---
4 RxD-(A) ---
5 GND GND
6 RTS-(A)
---
7 RTS+(B) ---
8 CTS+(B) ---
9 CTS-(A) ---
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