RS232 Connection

Nine-pin D sub

The cable is connected via a 9-pin D-Sub connector on the left side of the Bus Terminal Controller.
A three-core cable with shield should be used, with the shield being connected to the D-Sub connector casing.

Pin assignment of the RS232 D-Sub socket

RS232 Connection 1:
RS232 pin assignment

Cable

The cable must be crossed type. GND is connected 1:1. Only use assigned and described pins.

RS232 Connection 2:
Three-core cable with shield, crossed