Abus SECVEST Installer Manual page 22

Mounting/Installation
2 0 V, 12 V aux:
voltage output 13.8 V
3 Z303, Z304:
wired zones 303 and 304
4 Z301, Z302:
wired zones 301 and 302
5 –
NO1, C1, NC1
potential-free relay contact, 24 V AC rms/500 mA
22
relay output 1:
7
–
OP3/4 transistor outputs:
for a wired sounder, strobe and
audio alarm signalling device
Open drain transistor output
500 mA 13.8 V DC
8
–
TR tamper return:
tamper input from a wired sounder
9
–
TRB trouble:
malfunction indication input from a wired sounder