TM 9-2350-261-20-1 1. Measure resistance between jacks J1 (1), J2 (2), J3 (3),and J4 (4) of UPS Power Extension Box A17 as follows:J1 socket H to J2 and J3 socket HJ1 socket N to J2 and J3 socket NJ1 socket G to J2 and J3 socket GJ1 socket H to J4 pin AJ1 socket N to J4 pin BJ1 socket G to J4 pin C2. Does multimeter read 0 ohms for each measurement?1. Replace/repair UPS PowerExtension Box A17I(page 40.1-8).2. Verify no faults found.1. Faulty ATCCS UPS Power.2. Notify your supervisor.3-226.50 Change 3
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