Motorola 68P02958C00-B - Manual (Page 271)

APPENDIX A:
RS232 Adapter Cables
A-5
RTU-to-RTU Synchronous Communication
Using Port 3, 4
The pin assignment of the cable to be used for RTU-to-RTU synchronous communication
(using Port 3, 4) is given below.
SITE A
PORT 3
SITE B
TX DATA
RX DATA
RTS
CTS
SIGNAL_GND
TX_CLK
RX_CLK
TX DATA
RX DATA
RTS
CTS
REC_LINE_CD
SIGNAL_GND
TX_CLK
RX_CLK
REC_LINE_CD
1
2
6
3
5
4
7
8
1
2
6
3
5
4
7
8
CONN 8 PIN TEL-PLUG CONN 8 PIN TEL-PLUG
PORT 3