RS-232 Cable Pinouts
25-Pin to 25-Pin RS-232 Cable
Leased Line Pinouts
2 3 4 5
Four-Wire Leased-Line Cable
Multi-Tech Systems, Inc. MT5600BA-V92 User Guide
9-Pin to 25-Pin RS-232 Cable
Two-Wire Leased-Line Cable
Red
3
Transmit Pair
4
Green
Yellow
2
Receive Pair
5
Black
RJ-11
Modular Plug
Appendix E – Pin Descriptions
To Terminal
Block Screws
54
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