Abus AZ4250 Manuel D'installation page 10

13.) BUS OUTPUT
For connecting further extension modules to the bus.
14.) CONNECTING CONTROL PANELS (OPTIONAL)
Up to 4 further control panels can be connected. The maximum
distance to the furthest control panel must not exceed 100 m.
Important: The voltage supply on the operating panels must not drop
below 10.5V DC (recommendation: min. 12V). If the voltage is too low,
double up the cores or use an additional voltage supply.
15.) CONTROL PANEL LED
Lit when fuse blown.
16.) NOT USED
Do not change the DIP switch settings.
17.) ADDRESS OF 8-ZONE WIRED EXTENSION
Set the jumper to the position matching the extension.
Important: Ensure that no two extensions on the same bus have the
same address.
18.) TAMPER JUMPER
If the jumper is closed, the tamper contact of the extension module is
switched off.
19.) BUS LED
Lit when there is bus communication and flashes when bus
communication is lost.
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