• Use an ESD-preventive wrist strap.
• Remove the power supplies before you remove the chassis top cover.
The top cover cannot be removed until the power supplies are removed from the
chassis. The chassis has a safety mechanism built in to prevent the removal of
the top cover until the power supplies are removed.
Caution
Procedure
Step 1
With an ESD wrist strap on, remove the power supplies from the chassis.
The chassis cover cannot be removed until the power supplies are removed from the chassis.
Note
For instructions about how to remove the AC and DC power supplies, see:
•
•
Removing DC Input Power Supplies
Step 2
Remove the router from the rack.
Step 3
Remove the chassis top cover by performing the following steps:
a) Remove the fourteen top surface screws on the chassis cover.
b) Remove the two screws from the left side of the chassis and the two screws from the right side of the
chassis.
c) Putting your thumbs in the thumb depression shown in the following figure, slide the cover slightly
backward and lift it off of the chassis.
Figure 1: Cisco ASR 1001-HX Router Top Cover Screw Locations
Thumb depression location
1
Step 4
Remove the crypto module from its ESD bag.
Step 5
Carefully align the crypto module with its connector on the mother board and snap into place.
Step 6
Install the four screws into the location shown below and torque it to 5 in-lbs.
Removing and Replacing FRUs
2
Removing and Replacing FRUs
Removing and Replacing the Crypto Module in a Cisco ASR 1001-HX Router