Power Supply Module and Backup Battery
3-8
The front panel of the DC power supply low-tier includes the following connectors.
Connector Name Description Notes
1A
Shorted to Power IN.
This output is used for powering radios,
modems, etc.
Auxiliary Output 1B Vin=Vout
Shorted to Power IN.
This output is used for powering radios,
modems, etc.
Power Input
Cable inlet for main power
cable (DC)
The cable is part of the RTU frame
(connected to the power junction box.
Note: When the cable male connected is
place in this input, it locks the power
supply module in its slot. To remove
the power supply module, first unplug
the power input cable.
LEDs
The front panel of the power supply module (not including the DC power supply low-tier)
includes five indication LEDs.
LED Name Description Status
PWR Power LED Indicates the existence of AC or DC main power in
the Main Power input.
When the power supply module is in the ON state -
LED ON - Green.
When the power supply module is in the OFF state,
but there is AC or DC input or battery -
LED ON - Red.
When the power supply module is in the ON state
and the unit is powered from the battery -
LED is ON - Orange.
When there is no AC or DC input or battery
connected - LED OFF.
AUX1 Auxiliary Output 1
LED
AUX1A is ON - Green
AUX1B is ON - Red
AUX1A and AUX1B are ON – Orange
AUX2 Auxiliary Output 2
LED
AUX2A is ON - Green
AUX2B is ON - Red
AUX2A and AUX2B are ON – Orange
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