Bosch Appliances Home Security System APC-AMC2-4WCF Manuale Utente
AMC2 4W
Installing | en 27
Bosch Security Systems
Installation manual
F.01U.024.965 | V.4 | 2006.09
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 ...
–
no partyline exists, the jumper JP1 is set (= A2)
–
a partyline exists, ...
–
the jumper JP1 is set at the first device, only (= A2)
Settings jumper JP2:
If the ground conductor and the shield on the host are not con-
nected and ...
–
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)
i
NOTE!
Generally the following counts:
–
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.
WARNING!
Take care that there are no grounding loops.
i
NOTE!
If the AMC2 4W is set to RS-232 mode, Jumper JP1 (= A2) must
be set.