Technical data

45
W&T
Serial Fiber Optic Interfaces
Subject to error and alteration
Termination
For all RS485 operating modes it is essential that the bus
system be terminated with a termination network which
assures a defined rest state in the high-impedance phases of
bus operation.
The bus system can be connected to a termination network by
closing switches #6 and #7 on the interface module:
120W
+5V
SW6
SW7
Data In B
Data In A
330W330W