Grounding For Extension Interface - Bosch AMC2 Installation Manual

26 en | Installing
Notice!
In general the following apply:
If the devices have their own power supplies, the shielding is
applied to one side only. The free end should be insulated to
avoid inadvertent connections.
If one device is fed power by another, the cable shielding
should be applied to both sides.
4.6.1

Grounding for Extension Interface

Figure 4.5: Location of ground jumper bottom side
The jumper setting A1 shows the factory settings.
Jumper connects the internal ground of the AMC2-4WE to the
ground of the RS-485 slave interface. Set Jumper A2 only at the
first AMC2-4WE of a party line - like example four in Overview -
Power supply/consumption, page 29.
2016-11 | AMC2-4WE |
AMC2 Wiegand
Bosch Sicherheitssysteme GmbH
Extension