Abus SECVEST Installer Manual page 38

Mounting/Installation
4 Z301, Z302:
wired zones 301 and 302
NO1, C1, NC1 – relay output 1:
5
potential-free relay contact, 24 V AC rms/500 mA
38
TRB – trouble:
9
Fault indication input for the fault output of a wired
sounder
Note
In the default settings, a jumper is connected to
0 V. This means there is no fault indication (fault) if
no wired sounder is connected.