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Cisco ASR 903 - DC Power Supply Module Installation

Cisco ASR 903
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900 W DC power: 40VDC to 72VDC
The DC power supply provides option to connect with two different sources (dual feed); positive (+) and negative (-) are marked on
the PSU terminals.
Each power supply provides a dual primary input power connection.
The power supply must be wired before plugging the power supply in the chassis. Ensure the branch circuit
breaker is turned off. Only after installing the power supply in the chassis, should the branch circuit breaker
be turned on. The branch circuit breaker must be turned off before unplugging the power supply.Read the
installation instructions before connecting the system to the power source. Statement 10
Caution
Do not use interface module and power supply ejector handles to lift the chassis; using the handles to lift
the chassis can deform or damage the handles.
Caution
Installing the DC Power Supply Module
Perform the following procedure to install the power supply module:
15

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