Chapter 2 Installing and Removing Power Components
How to Install or Remove Fixed Configuration Power Components
Required Tools and Equipment
You need the following tools to perform this task:
•
•3/8 in. ratchet wrench with
•3/8 in. ratchet wrench with
Steps
To remove a fixed configuration PDU, perform the following steps:
Step 1 Attach the
Step 2 Turn the DC PEM or AC rectifier power switch to the off position.
Step 3 Disconnect the PDU from the power source.
Step 4 Remove the DC PEM or AC rectifiers from the PDU that you are removing from the chassis (see the “Removing a DC PEM or AC rectifier” section on page
Step 5 For fixed configuration DC only, remove the power cables and ground cable connected to the rear of the DC PDU. See the “Removing DC PDU Wiring” section on page
Step 6 On the rear (MSC) side of the chassis, Use the socket wrench to remove the
Step 7 Remove the PDU holding plate.
a.Use the socket wrench to unbolt the four
b.Use the socket wrench to unbolt the eight
c.Carefully remove the holding plate from the top of the PDUs and set it aside.
Step 8 Grasp the PDU and lift it carefully over the lip at the back of the chassis and set it carefully aside.
Caution Do not lift the PDU by the power
What to Do Next
After performing this task, you may install a new PDU, if needed (see the “Installing a PDU” section on page
Cisco CRS Carrier Routing System
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