Alcatel-Lucent 1675 LambdaUnite Installation And System Turn-Up Manual page 153

Mechanical installation
...................................................................................................................................................................................................................................
Procedure 3-13: Rack extension (height)
Purpose
This rack extension is used to enlarge the space for STM-1e cables (e.g. for excess
lengths).
Available rack extensions
The following rack extensions are available:
• Rack extension (height), 600 mm [23.622"] × 400 mm [15.748"] — CC848902656
This rack extension must be used for racks without rack extensions (width).
• Rack extension (height), 750 mm [29.527"] × 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:
...................................................................................................................................................................................................
1 Mount the two extension plates (SC1000501, item 3) to the top of the rack frame with the
help of four screws (hexagonal bolt, STL ST-70, M12 × 20 — CC847191574) as shown
in the figure below.
...................................................................................................................................................................................................
2 Mount the bracket for coverplate left (CC848301925, item 1) on the left extension plate
and the bracket for coverplate right (CC848301933, item 2) on the right extension plate.
...................................................................................................................................................................................................
Mount the coupling brackets (SC1000504, item 4), which connect the side plates of the
3
rack extension, on both sides (front and rear).
...................................................................................................................................................................................................
Click the coverplate (CC848302543, item 5) on the bracket, when all cables are routed to
4
the subrack(s).
E
N D O F
...................................................................................................................................................................................................
...................................................................................................................................................................................................................................
365-374-198R10.5.4
Issue 1 July 2009
S T E P S
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
NEBS-2000 installation
Procedure 3-13: Rack extension (height)
3-49