B&B Electronics RS-232/422/485 Serial Card CE 3PXCC4A Benutzerhandbuch
Manual Document# 3PXCC4A3001
39
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
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.
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.
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