Communication Set Up
248083317-1 Rev 4 4-3
The pinouts are defined as follows:
An RJ-45 to DB-9 modular adapter to connect the REMOTE-4PN to a
computer DB9 COM port is available from Lighthouse. The pinouts of
the RJ-45 to DB9 adapter are shown in Table 4-3.
Table 4-1 MODBUS RJ-45 Pinouts
RS485 RJ-45 Pin Description Signal Name
1 White/Orange RS232 Tx
2 Orange RS232 Rx
3 White/Green Reserved for Future Use
4 Blue RS485B
5 White/Blue RS485A
6 Green Reserved for Future Use
7 White/Brown Reserved for Future Use
8 Brown Ground
Table 4-2 Ethernet RJ-45 Pinouts
Ethernet RJ-45 Pin Description Signal Name
1 White/Orange Rx+
2 Orange Rx-
3 White/Green Tx+
4 Blue Reserved for Future Use
5 White/Blue Reserved for Future Use
6 Green Tx-
7 White/Brown Reserved for Future Use
8 Brown Reserved for Future Use
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