
Chapter 13 Appendix
VIP 1000 115
RJ45 connector pin assignments (sender)
The pin assignments depend on the standard used.
Pin RS232 Standard RS422/485 Standard
1 RxD (receive data) RxD+ (receive data plus)
2 CTS (clear to send) RxD- (receive data minus)
3– –
4– –
5 GND (ground) GND (ground)
6– –
7 TxD (transmit data) TxD- (transmit data minus)
8 RTS (ready to send) TxD+ (transmit data plus)
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