Alcatel-Lucent 1675 LambdaUnite Installation And System Turn-Up Manual page 125

Mechanical installation
Procedure 3-5: Rack extension (height)
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Purpose
This rack extension is used to enlarge the rack frame with a height of 400 mm
[15.748"]. The additional space can be used for STM-1e cable excess lengths, for
example.
Available rack extensions
The following rack extensions are available:
• Rack extension (height), 600 mm [23.622"] x 400 mm [15.748"] — CC848902656
This rack extension must be used for racks without rack extensions (width).
• Rack extension (height), 750 mm [29.527"] x 400 mm [15.748"] — CC848902664
This rack extension must be used for racks with rack extensions (width).
Mounting
Proceed as follows to mount the rack extension:
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Mount the two extension plates (SC1000501, item 3) to the top of the rack frame with
1
the help of four screws (Hexagonal bolt, STL ST-70, M12x20 — CC847191574) as
shown in the figure below.
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Mount the bracket for coverplate left (CC848301925, item 1) to the left extension plate
2
and the bracket for coverplate right (CC848301933, item 2) to the right extension
plate.
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Mount the coupling brackets (SC1000504, item 4), which connect the side plates of the
3
rack extension, on both sides (front and rear).
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Click the coverplate (CC848302543, item 5) on the bracket, when all cables are routed
4
to the subrack(s).
E
N D O F
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365-374-179R10.0
Issue 2, June 2009
S T E P S
Alcatel-Lucent - Proprietary
See notice on first page
3-17