Checking the Grounding of the 7133
This section has two subsections:
v
v
“Grounding Check (Model T40)” on page 69.
Go to the appropriate subsection for the 7133 that you are servicing.
Grounding Check (Model D40)
1. Refer to Figure 36.
2. Ensure that all power is removed from the rack (see the Installation and Service
Guide, or equivalent, for the rack or using system).
3. Ensure that the power cables
1
are plugged into each power supply assembly.
Ensure also that the other ends of the power cables are connected to the power
supply in the rack (see the Installation and Service Guide, or equivalent, for the
rack or using system).
4. Attention: Some electrical circuits could be damaged if the external SSA cables or
power-control cables are present at the 7133 while the grounding check is being
done.
Ensure that no external SSA cables are present at the eight connectors
2
.
5. If the 7133 has a Remote Power On Control feature, go to step 6 on page 66.
Otherwise, go to step 8 on page 66.
2
2
1
1
3
Figure 36. Power Cables and SSA Sockets (Model D40)
Chapter 1. Reference Information
65
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