Installation guide

36
Upgrading System Memory in Cisco 3600 Series Routers
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Closing the Router
Step 5 Lower the front of the cover onto the chassis, making sure that the side tabs on the cover fit inside the
chassis side panels, and the chassis tabs fit under the cover side panels.
Step 6 With a number-2 Phillips screwdriver, fasten the cover with the three screws you set aside in Step 6 of
the “Removing the Router Cover (Cisco 3620, Cisco 3631, Cisco 3640)” section on page 14.
Step 7 Reinstall the chassis on a rack, wall, or desktop.
Step 8 Proceed to the “Replacing Connections to the Router” section on page 36.
Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and
reinstate power by moving the handle of the circuit breaker to the ON position. To see translations of
the warnings that appear in this publication, refer to the
Regulatory Compliance and Safety
Information document that accompanied this device.
Replacing the Mainboard Tray (Cisco 3660)
Follow these steps to replace the mainboard tray:
Step 1 Place the chassis so that the rear panel faces you.
Step 2 Hold the tray so that the tabs at the tray’s lower corners align with the ledge in the chassis opening.
(See Figure 28 part 1.)