Ground Wiring - Lucent Technologies LambdaUnite MSS Installation Manual

Multiservice switch
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Power and ground cable installation

Ground wiring

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Required grounding
Additional grounding
(optional)
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365-374-074
Issue a, April 2002
Only the PDP must be grounded with the office ground as shown in
the figure below. All the other parts (rack, subracks, ...) are grounded
as a result of the physical mounting (physical/electrical connection of
device and rackframe).
NOTE: If isolated return wire is required (e.g. for the USA
domestic market), the U-bracket (connection between return and
ground) has to be removed!
Figure 4-10 PDP grounding
From/to office ground
3
*
Legend:
3
Grounding cable — CC848833604 (yellow/green)
*
The U-bracket has to be removed, if the return wire is only
grounded at the external battery (BDFB) source (e.g. valid for
the USA domestic market)
Important! The cables mentioned in the procedure below are not part
of the system delivery, but they can be ordered separately.
Lucent Technologies
System cabling and final assembly
4 - 1 7

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