How to Avoid Equipment Damage
Disconnect power for Smart-UPS or expansion chassis
You do not need to turn off a Symmetra® UPS to install the Network Management Card.
Caution: Damage to the UPS or Network Management Card can result if you do not remove all AC and DC power from a
Smart-UPS.
1. Turn off the equipment that is connected to the UPS.
2. Disconnect the UPS from its AC (input power) source.
3. Press and hold the OFF button on the UPS for approximately five seconds to turn off the DC (battery) power.
Expansion chassis. Make sure that
the Expansion Chassis or Triple Expansion Chassis is disconnected from any power source:
1.Disconnect the chassis cable from the UPS.
2.If the chassis uses an AC adapter (AP9505), disconnect that adapter from the chassis.
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