Hardware reference guide

Modbus Plus NOM
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Modbus Connector
The NOM25200 module is equipped with an RS-232 port (see below) located on the
front of the module. This port uses an eight-position RJ45 (phone jack-type)
connector. The following figure shows the NOM25200 Pin 1 connector.
NOTE: A D-shell adapter is available from Modicon for NOM 252 00-to-computer
connections: a (110 XCA 20 300) 9-pin adapter for PC-AT type computers (see the
illustration pinout table below).
The following figures show the 9-pin adapter front view (left) and side view (right).
The following figure shows the 9-pin RJ45 connector schematic.