Diagread Cables and Debug Connectors 219
Appendix A Pin-Outs for Cables and Connectors
Diagread Cables and Debug Connectors
Diagread cables and debug connectors are available for the MP, Communication,
and I⁄O modules. As shown below, different pins on a RJ-12 connector are used for
the MP, Communication, and I⁄O modules.
MPs and Left-Position CMs
Diagread Cable
Debug Connector for MPs
For the MP, the Debug connector uses pins 1, 2 and 3.
RJ-12
Pin
Signal Direction Description
1 TXD Out MP Diagread Transmit Data
2 RXD In MP Diagread Receive Data
3 GND — MP Ground
2
3
5
1
2
3
4
5
6
1
2
3
4
5
6
9-pin D-Sub-to-Modular
6-pin RJ12 Adapter
Diagread Cable
Straight-Through RJ-12 Cable
(standard 6-wire telephone cable
MP and
Left-Position CM
Debug Connector
1
2
3
4
6