Cisco Catalyst IR1800 Rugged Series

Step 8 The final assembly appears as in the following graphic:
What to do next
The Front Cover is complete, now move on to the Back Cover installation.
Installing the Back Cover
The Back Cover is installed as a single piece using 8 screws provided.
Procedure
Step 1 Make sure all slots have pluggable modules or blanks, and that all antennae are removed before attaching the
back cover.
If your pluggable module has a USB port cover attached, remove the cover. If the USB port cover
is installed along with the IP54 Back Cover, it will interfere with the installation.
Note
Cisco Catalyst IR1800 Rugged Series Router Hardware Installation Guide
73
Installing the IP54 Kit
Installing the Back Cover