Cisco 3745 Installationsanleitung Seite 24

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24
Installing Field-Replaceable Units in Cisco 3745 Routers
78-14308-02
Replacing the Cisco 3745 Fan Assembly and Bezel
Figure 17 Removing the I/O board
Step 7 When you are ready to install the I/O board, see the “Installing the I/O Board” section that follows.
Installing the I/O Board
To replace the I/O board, perform the following steps:
Step 1 Place the chassis so that the empty I/O board slot faces you. Make sure that all cables are securely tucked
in and that they are not in danger of being stressed or cut.
Step 2 Make sure that the ejector levers are fully open. Carefully insert the I/O board tray into the chassis slot
until the connector is engaged, then close the ejector levers to fully seat the I/O board connector. (See
Figure 16.)
Step 3 With a number 2 Phillips screwdriver, tighten the two captive retention screws (one at each edge of the
I/O board). (See Figure 15.)
Step 4 Reinstall the chassis on a rack or desktop.
Step 5 Proceed to the “Replacing Connections to the Router” section on page 26.
Replacing the Cisco 3745 Fan Assembly and Bezel
The fan assembly and bezel for the Cisco 3745 router is contained in the fan tray. Figure 18 shows the
fan assembly and bezel for the Cisco 3745 router.
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