Fire-Lite Alarms MS-9200 Programming, Installation, Maintenance And Operating Instruction Manual page 42

The M302 Monitor Module
Style B Initiating Device Circuit (Utilizing M302 Monitor Module)
The NFPA Style B IDC (Initiating Device Circuit) is supervised and power-limited.
FIGURE 2-21:
Resettable 24 VDC
4-wire smoke
detector power
(300 mA max.)
+ - +
T
B
1 2
4
24V (+) TB4-5
24V (-) TB4-6
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Style B Circuit using M302
To Next Device on Loop
+
- + -
3 4 5 6
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UL listed Compatible
Smoke Detector
UL listed Compatible
Smoke Detector
-
UL listed Compatible
Smoke Detector
-
-
+
+
+
-
-
3
CAUTION! Do not loop wiring
+
4
under any terminals. Break wire
run to maintain supervision.
M302
MS-9200
Document #15668 Rev. I 04/20/98 P/N 15668:I
End-of-Line Resistor
3.9K ohm (included)
-
+
-
+
-
+
-
+
-
+
-
+
Loop Out
Shield
A B B+ A+ B- A-
T
B
1 2 3 4 5 6
6
SLC (+) TB6-3
SLC (-) TB6-5
39