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Model 13352, 13362, and 13372 Addressable Amplified Speaker Assemblies Pub.: 43004-030A
d:\radio products-draft\gtc 43004\43004-030a\43004-030a.doc
06/05
Model 40404-048 External Power Supply
1. The 40404-048 Power Supply can be mounted indoors at a convenient location, such as a
telephone/electrical room, or local to the RF Call Box. Outdoor installations require a
customer-provided weatherproof enclosure.
2. To properly charge the battery, the 40404-048 must be set for a 13.8 V dc output. This output can be
adjusted at the voltage adjustment potentiometer labeled VADJ.
3. The battery provides 250 cycle uses over a 30-day period without the application of power. With
power applied, the 40404-048 can power the speaker as well as trickle charge the battery.
4. Refer to Figure 2 for wire connections.
Figure 2. Power Supply Wiring Connections
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