Cisco Catalyst IR1800 Rugged Series Installation Manual page 78

Installing the Back Cover
Step 2
Attach the back cover to the back of the chassis over the pluggable modules using 8 of the provided screws.
See the following graphic:
Step 3 Tighten the screws to a torque of 5 to 6 in-lbs.
Step 4
Once the cover is in place, antennae can be attached to the pluggable modules as needed.
Step 5 The final assembly appears as in the following graphic:
What to do next
The IP54 Kit is now properly assembled.
Cisco Catalyst IR1800 Rugged Series Router Hardware Installation Guide
74
Installing the IP54 Kit