Advanced Troubleshooting Procedures; Powering-Up The Opm - Nortel DMS-100 Series Maintenance Manual

12 Advanced troubleshooting
procedures
A defective unit is normally busied and tested. The system displays a list of
cards at the MAP terminal after the tests complete. The card at the top of the
list often causes the problem.
After you replace the problem card, test the defective unit again. If the unit
passes this test, return the unit to service. The troubleshooting procedure is
complete.
If normal troubleshooting procedures do not restore a unit to service, the unit
requires advanced troubleshooting procedures.
Operating company personnel can use MAP terminal responses from failed
troubleshooting attempts to formulate a maintenance plan. Use more
advanced step-action procedures to repair a problem.

Powering-up the OPM

If operating company personnel anticipate a power outage, operating company
personnel must power-down the Outside Plant Module (OPM). An example
of this type of power outage is an anticipated natural disaster. Operating
company personnel power-down the OPM for the duration of the event to
minimize equipment damage. This action allows the operating company to
return the power in an ordered fashion.
To power-up the OPM, perform the following steps:
1. Post the OPM from the MAP terminal.
2. At the remote site, set the switch on the power converter to the ON
3. Hold in the reset button on the power converter, and flip the appropriate
position.
circuit breaker up. Do not hold the circuit breaker up. If the OPM receives
DMS-100 Family OPM Maintenance Manual XPM14 and up
12-1