B&B Electronics 3PXCC4A Chapter 6: Physical Hook-up and Troubleshooting , Pinouts

Manual Document# 3PXCC4A3001 39
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B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Chapter 6: Physical Hook-up and Troubleshooting
This chapter will cover 3PXCC4A pinout, communication cable
data, and troubleshooting information.
Pinouts
RS-232 Pinouts
The 3PXCC4A Serial Cards are wired using RJ45 type
connectors for each port. The following table shows the pinout for
the RS-232 connections.
Table 5. RS-232 Pinout Description
NOTE: RJ45 pin numbers are referenced from left to right when
looking into the connector receptacle with the component side of the
card facing upwards.
RJ45 Pin RS-232
Signal Direction Std. DB9 Pinout Std. DB25 Pinout
1 RTS output 7 4
2 TD output 3 2
3 CTS input 8 5
4 RD input 2 3
5 DTR output 4 20
6 DSR input 6 6
7 DCD input 1 8
8 GND ---- 5 7