12 Outdoor Self-Powered Siren
Normal mode when the siren is not latest device on tamper line
If the siren is not the latest device on tamper line, jumper position must be as shown in figure 7, and ASG and AS terminals of the
siren must be series connected to the tamper line: ASG and AS terminals of the siren are normally connected, and disconnect for
siren tamper. The FT terminal have to be connected for NEKA-F/NEKA-FS sirens only.
Figure 7 – Normal mode when the siren is not latest device on tamper line: A) control panel; B) siren; D) to previous device on
tamper line; E) to next device on tamper line.
Other modes for siren activation
If the control panel do not have a terminal where 13.8 V voltage is present on standby, and no voltage in alarm, it is possible to
simulate one by means of the free-voltage contacts of alarm relay, as shown in figure 8.
Figure 8 – Activation by means of the free-voltage contacts of alarm relay: A) control panel; B) siren.
AF+N
AS SPK
ASG
FTGFA
NC
+12
C
NO
B
A
NEKA-F
NEKA-FS
NEKA