Bosch AMC2-4W - Grounding for Extension Interface

Notice!
If the AMC2-4W is set to RS-232 mode, set jumper JP1 (= A2).
Grounding for Extension Interface
Figure 4.6: Location of ground jumper bottom side
Jumper B connects the internal ground of the AMC2-4W to the
RS-485 ground of the slave interface. Only set jumper B (B2) if
the AMC2-4W powers all other peripheral devices directly
connected to it.
4.6.2
28 en | Installing
Access Modular
Controller
2016-11 | AMC2-4W | Bosch Sicherheitssysteme