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RS232-RS485 Convertor Manual V1.02 28/06/01
5
2.4 J2 & J4 Isolated RS-485 Connectors
Connector type: FCC68 Socket 6-Way (Accept RJ11 plugs)
Purpose: Connects to RS-485 remote system e.g. PRO101/4/8 programmers
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 Description
1 TX+ Transmit +
2 TX- Transmit -
3 RX+ Receive+
4 RX- Receive-
5 GND 0V
6 GND 0V
Figure 8