148 MS-5UD & MS-10UD Series Manual — P/N 52626:C2  1/24/2012
NFPA Standard-Specific Requirements
NFPA 72 Auxiliary Fire Alarm System
All connections are power-limited and supervised.  This application is not suitable for separate 
transmission of sprinkler supervisory or trouble conditions.
Notes:
1. 3 ohms maximum loop resistance allowed for wiring from control panel to Municipal Box.
2. Cut JP30 on the MS-5UD/MS-10UD main circuit board to supervise placement of SK-4XTMF 
module and circuit.
3. Cut JP24 on the MS-5UD/MS-10UD main circuit board to enable FACP Supervisory relay.
4. Refer to “4XTMF Transmitter Module Installation” on page 39 for detailed information.
FIRE
Gamewell Model M34-56 
Local Energy Municipal 
Box
Polarities shown in alarm condition
+
Nonpower-limited
Municipal Box Circuit
+
-
-
4XTMF
Figure B.2  Municipal Box Connected to 4XTMF Transmitter Module