Cisco 3600 Series Upgrade Instructions page 11

Removing the Cisco 3725 Router Cover
To remove the router cover, follow these steps:
Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the
Step 1
equipment end of the wrist strap to the metal back plate of the chassis, avoiding contact with the
connectors.
Turn off the power and unplug the power cord.
Step 2
Before opening the unit, disconnect the telephone-network cables to avoid contact with
Warning
telephone-network voltages. Statement 1041
Disconnect all network-interface cables from the rear panel.
Step 3
Place the chassis so that the rear panel faces you.
Step 4
Remove the six screws located on top of the cover. Set the screws aside in a safe place.
Step 5
Lift the front edge of the cover up to a 45-degree angle so that it clears the front of the chassis. (See
Step 6
Figure 1
Slide the cover to the side, away from the side with the fans, until the tabs are free from the slots. (See
Step 7
Figure 1
OL-5423-02
part 1.)
part 2.)
Upgrading System Memory in Cisco 3725 Routers
Upgrading System Memory in Cisco 3700 Series Routers
11