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TM 11-7010-201-40-5/ET821-AA-MMI-050/E154 MTS/TO 31S5-2TSQ73-2-5
3-5. Troubleshooting Wiring. The need for using the MTS test aid to isolate card cage wiring problems is indicated if,
after replacing circuit cards in the system equipment, a continuity error or functional error is still displayed on the MTS.
Perform the following procedure to use the MTS test aid for isolating wiring problems.
a. Connect MTS test aid to MTS as described in paragraph 2-4.
b. Set SS switch up.
c.
Set BCP switch down.
d.
Press LT switch and verify that all front panel indicators light.
e. Perform test with MTS (TM 11-7010-201-12).
f. Using table 3-3, check CARD ID indicators, and verify that binary code configuration (lamp on/off conditions)
matches the card type under test.
g. Observe STATE indicators: if an error is detected, STATE 7 indicator will light. 3-9 )
3-9
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