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Allied Telesis AT-CV5000 Manual De Usuario

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Chapter 1: Overview
32
Fan Modules
The AT-CVFAN module, as shown in Figure 10, is designed for use with 
the AT-CV5000 chassis. You can install the same fan module in either fan 
slot labeled A or B, located at the rear of the AT-CV5000 chassis. For 
proper operation, two AT-CVFAN modules are preinstalled in the 
AT-CV5000 chassis. 
Caution
The AT-CVFAN modules are field-replaceable; however, they are 
not hot-swappable. Therefore, make sure to power OFF the chassis 
before replacing the fan modules.
Note
The AT-CV5000 chassis operates correctly even with one faulty fan 
module. However, it will not operate correctly if one fan is missing 
because this changes the air flow.
Figure 10. AT-CVFAN Module
Figure 11 illustrates the locations of the two fan modules at the rear of the 
AT-CV5000 chassis.
Figure 11. Locations of Fan Slots A and B on an AT-CV5000 Rear Panel
To replace a fan module if one of the two AT-CVFAN modules failed, refer 
to “Replacing an AT-CVFAN Module” on page 86.
A
T
-CVF
AN
201
A
B
A
T-CVF
AN
A
A
T-CVF
AN
B
214
REAR EXP. SLOT
100-240VAC
~ 
WARNING
 
This unit might have more than one power input. To 
reduce the risk of electric shock, disconnect all power 
inputs before servicing unit.
100-240VAC
~ 
WARNING
 
This unit might have more than one power input. To 
reduce the risk of electric shock, disconnect all power 
inputs before servicing unit.
Fan Slot A
Fan Slot B