20  Advisor Advanced ATSx000A(-IP) Installation and Programming Manual 
Siren connection 
Figure 18: Siren connection examples 
 
 
(1)  Siren EOL resistor (1 kΩ). It must be 
installed if siren does not contain a 
built-in resistor. 
(2)  Siren. 
(3)  Beacon, maximum 50 mA. 
(4)  Siren tamper EOL resistor. 
(5)  Siren tamper (normally closed). 
Note: Siren output can be configured as internal or external. This is accomplished via panel 
settings, not by configuring the panel hardware. See “Default output assignments” on page 23 
and “Filters, outputs, and triggers” on page 116. 
Other connections 
Tamper connection 
Figure 19: Earthing, external tamper, and PSTN connection in ATSx000A(-IP) 
(1)  Phone (switched) 
(2)  PSTN line 
(3)  Earthing 
(4)  External tamper (normally closed) 
(5)  Optional pry-off tamper (normally 
closed) required by EN 50131 
Grade 3 and VdS-C regulations 
PSTN connection 
For ATSx000A(-IP), refer to Figure 19 above. 
+
+
S1
C
+
S2
C T C
+
+
- -
LC-OUTPUTS
HC-OUTPUTS SIR TMP AUX POWER
S3
S4
S5
(1)
(2)
(3)
(4)
(5)
(1)
(2)
Tx
Ax/R1
B/TA/R
EARTH
CTD-
D+
0V
+12V
COMMS
TAMPER
PSTN
 
(1)
(2)
(3)
(4)
()5