Installing the AMC-4W
Access Controller AMC-4W
AMC-4W. The host system must not connect cable shield and protective
ground. If not using the ground conductor of the RS485 host interface, Jumper
2 should be set at every AMC-4W.
Setting jumper 3 connects the internal ground of the AMC-4W to the shield of
the RS485 host interface. Set Jumper 3 only at the first AMC-4W of a party
line. The host system must not connect cable shield and protective ground. If
the AMC-4W is set to RS232 mode, Jumper 3 must be set.
Figure 11: Location of ground jumpers bottom side circuit board
Jumper 4 connects the internal ground of the AMC-4W to the RS485 ground of
the slave interface. Jumper 4 shall only be set if the AMC-4W powers all other
peripheral devices which are directly connected to the AMC-4W.
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Installation Guide
Bosch Security Systems | V.3.1/2006-09
