Bosch APC-AMC2-4W Installation Manual page 27

AMC2 4W
NOTE!
Generally the following counts:
–
i
–
WARNING!
Take care that there are no grounding loops.
Setting jumper JP1 connects the internal ground of the
AMC2 4W to the ground of the RS-485 host interface. Jumper
JP2 manages the PAG.
Settings jumper JP1:
If the ground conductor and the shield on the host are not con-
nected and ...
–
–
Settings jumper JP2:
If the ground conductor and the shield on the host are not con-
nected and ...
–
–
–
NOTE!
i
If the AMC2 4W is set to RS-232 mode, Jumper JP1 (= A2) must
be set.
Bosch Security Systems
If the devices have an own power supply, the shield will be
connected on one point, only.
The free end should be protected to avoid connections.
If the device will be provided by an other one, the shield
have to connect on both sides.
no partyline exists, the jumper JP1 is set (= A2)
a partyline exists, ...
– the jumper JP1 is set at the first device, only (= A2)
no partyline exists, the jumper JP2 is set (= A3)
a partyline exists and PAG is connected, ...
– the jumper JP2 is set at the first device, only (= A3)
a partyline exists and PAG is not connected, ...
– the jumper JP2 is set at all devices (= A3)
Installation manual
Installing | en 27
F.01U.024.965 | V.4 | 2006.09