Nortel 7400 Hardware Installation page 226

Multiservice switch
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226 Chapter 39 Hardware procedures
Procedure job aid
Figure 65
Grounding a dc power supply for a Multiservice Switch 7420
NN10600-175 6.1S2
Strain relief clip
(+) Battery return
(-) Battery -48V/-60V
Ground
PPT 3221 012 AA

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