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P/N 3102475-EN • REV 001 • ISS 09NOV17
Figure 3: Typical unsynchronized sounder base circuit (steady output signal)
(1) From the control unit signaling line circuit controller.
(2) From a 24 VDC auxiliary power supply that is UL/ULC Listed for
fire protective signaling systems.
(3) First KI-ABST on the AUX riser.
(4) Last KI-ABST on the AUX riser.
(5) AUX riser supervision circuit.
Figure 4: Typical synchronized sounder base circuit (temporal output signal)
(1) From a 24 VDC auxiliary power supply that is UL/ULC Listed for
fire protective signaling systems.
(2) Polarity reversal relay module. Polarity shown in the normal state.
(3) First KI-ABST on the AUX riser.
(4) Last KI-ABST on the AUX riser.
(5) AUX riser supervision circuit.
(6) From the control unit signaling line circuit controller.
(4)
(3)
(5)
(2)
AUX+
AUX–
SIG
+
SIG
–
DA
TA
– OUT
DA
TA
– I
N
D
A
TA
+
IN
/O
UT
SIG
+
SIG
–
DA
TA
– OUT
DA
TA
– I
N
D
A
TA
+
IN
/O
UT
(1)
SLC+
SLC–
+
–
SLC+
SLC–
(6)
(4)
(3)
SLC+
SLC–
+
–
(1)
AUX+
AUX–
EG1M-RM
1
2
3
4
6 5
7
8
+
–
+
–
SLC+
SLC–
+
–
SLC+
SLC–
SI
G+
SI
G–
DA
TA
–
OUT
DA
TA
–
I
N
DA
TA
+
IN
/O
UT
SI
G+
SI
G–
DA
TA
–
OUT
DA
TA
–
I
N
DA
TA
+
IN
/O
UT
(2)
(5)
