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CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
Chapter3 Installing Cards and Modules in the Chassis
Installing Fan Trays

Installing DC Power Modules

Required Tools and Equipment
You need the following tool to perform this task:
•7/16 hex socket and torque wrench, torque 50 in-lb.
Steps
Follow these steps to reinstall the DC power modules back into the chassis (see Figure3-1 for the
version 1 power module or Figure3-2 for the version 2 or version 3 power module.
Step1 Slide the power module into the power tray until it mates with its backplane connector.
Step2 Secure the module.
a. Version 1 power module: Pivot the power module door fully to the left until it locks to securely seat
the power module to its backplane connector.
b. Version 2 power and version 3 module: Move the handle up and tighten the screw using the 7/16 hex
socket and torque wrench with the torque set to 50 in-lb.
Caution To prevent damage to the power tray backplane connector, do not use excessive force when inserting the
power module into the power tray.
Step3 Repeat Step 1 and Step 1 for the other DC power modules.
Installing Fan Trays
Prerequisites
Install the power modules before installing the fan trays.
Required Tools and Equipment
You need the following tool to perform this task:
•6-inch long number 2 Phillips screwdriver, torque 10 inch-lb.
Steps
Note If you are installing a fan tray for the CiscoASR 9010 Router, install the lower fan tray before attaching
the accessory grill. The lower fan tray slot is located behind the accessory grill. See the Installing Chassis
Accessories, page 2-61