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Enclosure and Component Installation
Installation and replacement of Stinger CR components
Replacing the external cooling fan
The Stinger CR enclosure has an external cooling fan that circulates air through the
ventilation panels that surround the enclosure. Power for this fan is provided from
the cooling module in the Stinger CR chassis within the enclosure. The cable that
provides this power connects inside the enclosure to a pass-through connector in the
bottom of the enclosure. The power connector for the cooling fan connects to this
pass-through connector within the cable guard beneath the enclosure.
Warning
Do not remove the external cooling fan until its blades have stopped moving, as
detailed in the following procedure.
Use the following procedure to replace the cooling unit of a Stinger Compact Remote
ATM DSLAM unit.
1
Remove the connector for the external cooling fan from its power connection on
the cooling module inside the enclosure.
Note
moving during replacement.
1
Remove the cable cover below the enclosure.
2
Fully loosen the locking screw for the external cooling fan.
3
Grasp the extraction handle on the external cooling fan and pull to remove it
from its mounting.
4
Unscrew and remove the external cooling fan power cable, shown in
Figure 3-21, from the pass-through connector below the enclosure.
5
Remove the external cooling fan from the enclosure and place it on a flat work
surface.
6
Fully loosen the locking screws on the protective duct below the cooling fan (see
Figure 3-21) and remove the protective duct.
3-28
Moving fan blades in the external cooling fan may cause injury to fingers.
This will ensure that the fan blades of the external cooling fan are not
The Stinger® Compact Remote ATM DSLAM Getting Started Guide
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