CommStat
™
4
Modbus Adapter
Installation & Operation
Page 16
CommStat™ 4
Interface RJ11 Connector
The female RJ11 socket
CommStat
™
4
interface terminal block has the following pinout:
Pin
Label
1
NC
2
Ground
3
RS-485 RX/TX A
4
RS-485 RX/TX B
5
VCC
6
NC
Figure 13: RJ11 Connector Pinout
Ethernet RJ45 Connector
The female RJ45 socket provides the Ethernet connection for the Master system. The pinout for this
connector supports the TIA/EIA T568B standard where the individual pin assignments are:
Pin
Label
1
RD+
2
RD-
3
TD+
4
NC
5
NC
6
TD-
7
NC
8
NC
Figure 14: RJ45 Connector Pinout