Cisco Systems WS-X6608-T1 用户手册
3-22
Ci sco Catalyst 4900M Swit ch I nst allati on Guide
78-18350-02
Chapte r 3 Inst allin g t he Swi tch
Removi ng and Replacing the Fan Assembly
Installing the Fan Assembly
To install the new fan assembly, perform the fo llowing steps:
Step 1
Hold the fan assembly with the captive screws on the left.
Step 2
Place the fan assemb ly into the fan assembly bay so it rests on the ch assis, and then lift the fan assembly
u p s lig htly, alig ning the to p and bo ttom g uides.
u p s lig htly, alig ning the to p and bo ttom g uides.
Step 3
Slide the fan assemb ly into the chassis until the two captive installation screws make contact with th e
chassis.
chassis.
Step 4
Using a screwd river, tighten the two captive installation screws b y tu rning th em clo ck wise.
Verifying the Installation
Note
To ch eck the op eratio n of the fans, yo u n eed to power up the ch assis.
To verify th at the n ew fan assemb ly was ins talled correctly, perform the following step s:
Step 1
Listen for the fans; you shou ld immediately h ear them operating. If y ou do not hear th em, ens ure that
th e fan as sembly is inserted comp letely in the chassis and that the faceplate is flu sh with the switch b ack
p anel.
th e fan as sembly is inserted comp letely in the chassis and that the faceplate is flu sh with the switch b ack
p anel.
Step 2
The fan tray LED shou ld b e lit green.
Step 3
If after several attemp ts the fans do not operate, or if you experience tro uble with the installation (for
in stance, if the captive in stallation screws do not align with the chassis holes), co ntact the Cisco TAC
for assistance.
in stance, if the captive in stallation screws do not align with the chassis holes), co ntact the Cisco TAC
for assistance.