Cisco 3631 Installationsanleitung PDF herunterladen (Seite 17)

Upgrading System Memory in Cisco 3600 Series Routers

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Opening the Router

Step 3 Turn OFF the power and unplug the power cord.

Warning

Before opening the chassis, disconnect the telephone-network cables to avoid contact with

telephone-network voltages. Tosee translations of the warnings that appear in this publication, refer

to the

Regulatory Compliance and Safety Information

document that accompanied this device.

Step 4 Disconnect all network-interface cables from the rear panel.

Step 5 Place the chassis so that the rear panel faces you.

Step 6 Remove the screws located on top of the cover near the front edge. Set the screws aside in a safe place.

Step 7 Lift the front edge of the cover up to a 45-degree angle so that it clears the front of the chassis.

Step 8 Slide the cover toward you or away from the fans until the tabs are free from the slots.

Step 9 When you are ready to replace the cover, see the “Replacing the Cover (Cisco 3620, Cisco 3631,

Cisco 3640)” section on page 33.

Removing the Mainboard Tray (Cisco 3660)

Follow these steps to remove the mainboard tray:

Step 1 Power OFF the router. However, to channel ESD voltages to ground, do not unplug the power cable.

Warning

Before opening the chassis, disconnect the telephone-network cables to avoid contact with

telephone-network voltages. Tosee translations of the warnings that appear in this publication, refer

to the

Regulatory Compliance and Safety Information

document that accompanied this device.

Step 2 Remove all network interface cables from the rear panel of the mainboard tray.

Step 3 Place the chassis so that the rear panel faces you.

Step 4 Locate the two sets of screws on the mainboard rear panel: one set of captive screws and one set of Torx

screws.

Caution Do not remove or loosen the Torx screws.

Step 5 Loosen the two captive screws located in the upper corners. (See Figure 4 part 1.)

Step 6 Swing the two tray levers out, and slide the mainboard tray out of the chassis. (See Figure 4 parts 2

and 3.)

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Cisco 3631 Installationsanleitung Seite 17