Connector Pin Assignment
CAN-CBX-COM2
Manual • Doc.-No.: C.3055.21 / Rev. 1.1
Page 31 of 125
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5.3.2 Option: RS-422 Interface
Fig. 13: Connection scheme for RS-422 operation, optional
5.3.3 Option: RS-485 Interface
Fig. 14: Connection scheme for RS-485 operation, optional
In RS-485 operation the pins 5 and 7 of the PCB plug connector are connected to a termination resistor
network on the piggyback. To activate the termination the signal Rx/Tx+ has to be connected to
TERM+ and the signal Rx/Tx- to TERM-.
