Cisco XR 12404 - Manual (Page 135)

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Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 5 Maintaining the Router
Removing and Replacing the Fan Tray Assembly
Removing and Replacing the Fan Tray Assembly
Use the following procedure to remove and replace the fan tray assembly.
Caution Although the fan tray assembly supports OIR and can be replaced without
interruption to system operation, do not operate the system without the fan tray
assembly for more than a few minutes to prevent overheating.
Step 1 Loosen the two captive screws on the fan tray assembly (item 3 in Figure 5-7 ).
Figure 5-7 Cisco XR 12404 Router Fan Tray Assembly Location
1 Chassis 3 Fan tray assembly
2 AC PEM
66294
INPUT
OK
OUTPUT
FAIL
INPUT
100-240V
12A
50/80HZ
OUTPUT
OK
INPUT
OK
OUTPUT
FAIL
INPUT
100-240V
12A
50/80HZ
OUTPUT
OK
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todd.book Page 11 Monday, March 16, 2009 2:47 PM