Johnson Controls tyco Power Pro Series Reference Manual page 35

Section 2: Installation
HSM3350
The HSM3350 is a supervised 3 A, 12 VDC power supply module with dual AUX outputs and dual battery backups.
The 4-wire Corbus connection provides communication between the module and alarm panel. Connect the RED, BLK, YEL
and GRN terminals to the Corbus terminals on the alarm controller.
Figure 2-25 HSM3350 Power Supply Wiring
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