TM 9-2350-261-20-1 1. Remove cable W50 plug P1 (1) from UPS PowerExtension Box A16 jack J1 (2).2. Measure resistance between jacks J1 (2), J2 (3), J3 (4),and J4 (5) of UPS Power Extension Box A16 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 C3. Does multimeter read 0 ohms for each measurement?1. Faulty ATCCS UPS Power.2. Notify your supervisor.1. Replace/repair UPS PowerExtension Box A16(page 40.1-8).2. Verify no faults found.Change 33-226.47
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