Cisco 3745 Installationsanleitung PDF herunterladen (Seite 25)

Installing Field-Replaceable Units in Cisco 3745 Routers

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Replacing the Cisco 3745 Spare Chassis and Midplane

Figure 18 Fan Assembly and Bezel from a Cisco 3745 Router

Removing the Fan Assembly and Bezel

To replace the Cisco 3745 fan assembly and bezel, perform the following steps:

Step 1 Place the router so that the front panel is closest to you. Loosen the two captive screws located inside

the access door. (See Figure 6.)

Step 2 Open the fan tray to the straight-out position and lift the fan tray off its hinges. (See number 1 and

number 2 in Figure 7.)

Installing the Fan Assembly and Bezel

To install the fan assembly and bezel in the chassis, perform the following steps:

Step 1 Hold the fan tray straight out from the chassis, engage the hinges, and close the fan tray. (See Figure 12,

number 1 and number 2.)

Step 2 Tighten the two captive screws located inside the access door. (See Figure 6.)

Replacing the Cisco 3745 Spare Chassis and Midplane

The Cisco 3745 spare chassis and midplane comes from Cisco as a single unit completely assembled.

No assembly is required for the Cisco 3745 spare chassis and midplane.

To install Cisco 3745 power supplies, mainboard tray, I/O board, and fan assembly and bezel refer to

following sections:

• Replacing Cisco 3745 Chassis Power Supplies, page 10

• Replacing the Cisco 3745 Router Mainboard Tray, page 21

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Cisco 3745 Installationsanleitung Seite 25