Moxa Technologies CA Series - 2-Wire RS-485; Serial Cable Pin Assignments; DB9(M) Connectors

CA Series User’s Manual Pin Assignments
5-2
2-wire RS-485
These pin assignments apply to the CA-132 V2, CA-132I V2, CA-114, and CA-134I. Pins 21 to
40 apply to the CA-114 and CA-134I only.
Pin Signal Pin Signal Pin* Signal* Pin* Signal*
5 Data0+(B) 15 Data1+(B) 25 Data2+(B) 35 Data3+(B)
7 Data0-(A) 17 Data1-(A) 27 Data2-(A) 37 Data3-(A)
9 GND0 19 GND1 29 GND2 39 GND3
Serial Cable Pin Assignments
DB9(M) Connectors
15
69
The CBL-F40M9x4-50 and CBL-F20M9x4-50 cables provide DB9(M) connectors for each serial
port, with pin assignments as follows:
Pin RS-232
RS-422
4-wire RS-485
2-wire RS-485
1 DCD TxD-(A) ---
2 RxD TxD+(B) ---
3 TxD RxD+(B) Data+(B)
4 DTR RxD-(A) Data-(A)
5 GND GND GND
6 DSR
7 RTS
8 CTS