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2.4 J2 & J4 Isolated RS-485 Connectors
Connector type:
Purpose:
These two connectors are opto-isolated RS485 connectors for communicating with the
remote RS-485 system(s). The connectors are wired in parallel so each socket is the same
as the other. The 'RS-232 to RS-485 Convertor Module' is supplied with two RJ11 flat
cables for connecting between this module and the RS-485 remote system.
J2 & J4 – RS485 Connector Pin-outs:
Pin No.
Title
1
TX+
2
TX-
3
RX+
4
RX-
5
GND
6
GND
Figure 8
RS232-RS485 Convertor Manual V1.02 28/06/01
FCC68 Socket 6-Way (Accept RJ11 plugs)
Connects to RS-485 remote system e.g. PRO101/4/8 programmers
Description
Transmit +
Transmit -
Receive+
Receive-
0V
0V
5
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