Symphony C-I-CV43C, Инструкция

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WBPEEUI220772A0 PR17 - 1
PR17
DC Power Test
Purpose/Scope
This procedure explains how to check the DC power supplies.
Parts
None.
Tools
•
Digital multimeter (DMM).
Safety Considerations
Procedure
□
1. Switch the on/off switch on the PEP to the OFF position.
NOTE: Do not disconnect power wiring from the multibus card cage.
□
2. Label and disconnect the DC power distribution cables
from all peripheral devices (disconnect the cables at the distri-
bution end).
□
3. Pull the module from the multibus card cage far enough
out to disconnect it from the backplane.
□
4. Insure that all power wiring is correct.
□
5. Switch the on/off switch on the PEP to the ON position.
□
6. Use the DMM to measure the DC voltages at the multibus
card cage backplane (Fig.
PR17-1 ).
10 min.
WARNING
1. There are exposed AC and DC connections inside the cabi-
net. These exposed electrical connections present a shock
hazard that can cause injury or death.
W1