Step 10 Set the DC disconnect switch in the circuit to ON. In a system with multiple power supplies, connect each power supply
to a separate DC power source. In the event of a power source failure, if the second source is still available, it can
maintain system operation.
Step 11 Verify power supply operation by checking the power supply LED on the front of the chassis. See Front Panel LEDs
for a description of the LEDs.
Secure the Power Cord on the AC Power Supply Module
Tie Wrap and Clamp
To secure the power supply module against accidental removal and thus prevent disrupting system
performance, use the tie wrap and clamp provided in the accessories kit that ships with your Firepower
4100. There are two different tie wrap and clamp combinations to be used with either the Flextronics or
Artesyn power supply module.
To verify which power supply module you have, look at the vendor name on the top of the power supply
module. If you cannot remove the power supply module, you can count the number of full hexagonal
vent holes on the front of the power supply module in the row directly next to the word 'FAIL.' Flextronics
has five holes and Artesyn has four holes.
The black tie wrap is used with the Flextronics power supply module and the off-white tie wrap is used
with the Artesyn power supply module. The black clamp works with both. See the figures below.
Safety Warnings
Take note of the following component replacement safety warnings:
Statement 1028—More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock, remove
all connections to de-energize the unit.
Warning
Statement 1030—Equipment Installation
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1073—No User-Serviceable Parts
There are no serviceable parts inside. To avoid risk of electric shock, do not open.
Warning
Installation, Maintenance, and Upgrade
19
Installation, Maintenance, and Upgrade
Secure the Power Cord on the AC Power Supply Module
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