Nortel DMS 100 Series Maintenance Manual page 364

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12-22 RSC-M routine maintenance procedures
Testing power converter voltages
Testing power converter voltages
At your current location
1
2
Circuit cards with status indicators
NTMX72AA
Converter
Test
Points
On
DCH power
297-8223-550 Standard 04.02 November 2000
Obtain a dc voltmeter.
Measure the voltage at the test points on the face plates of all power
converters in the equipment cabinet.
Note: This procedure applies to the NTMX72AA power converter. The
NTMX72AB does not have test points on the faceplate to support testing
power converter voltages.
fail
+5V
+12V
–12V
Common
Reset
power
Off
(continued)
NTMX72AB
Fail
Active
DCH power

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