The settings of the RS485 link are made through the SA1 switches:
SA1 description:
1:reserved
2:reserved
3:link termination between T- to R- (2 wires configuration) if set to ON
4:connection T- to R- (2 wires configuration) if set to ON
5:connection T+ to R+ (2 wires configuration) if set to ON
6:reserved
7:reserved
8:link termination between R+ and R- if set to ON
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Network Management Card – User Manual | 34003991EN/DA | Page 81/120 |
