Lucent Technologies MERLIN LEGEND Release 6.1 Maintenance And Troubleshooting

MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting
555-661-140
Issue 1
August 1998
Page 4-2
Power Supply Problems
■ Save the system programming to a memory card (beginning with
Release 3.0). See Appendix D, “Backing up with a Memory Card,”
for
detailed instructions. If automatic backups are performed, it may not be
necessary to save system programming.
NOTE:
If the processor module is not functioning, it may not be possible
to back up system programming.
Power Supply Problems
If the power supply fails, all components connected to the carrier are
automatically shut down.
Checking the Power Supply
If you suspect power supply failure, check the following parts:
■ Power supply LED
■ Interlocking post (on the carrier, behind the power supply)
■ Ring generator, if present
■ Auxiliary power unit(s), if present
!
WARNING:
!
Never remove the power supply without first turning off the power switch
and disconnecting the power cord from the AC outlet.
Use the following procedures to check the power supply.
Checking the LED
If the power supply’s LED is off, check the power switch. If it is off, turn on the
power switch for each power supply in the control unit.
Start with the rightmost
carrier and end with the basic carrier.
Watch for the responses below.

Lucent Technologies MERLIN LEGEND Release 6.1 Specifications

General

Brand	Lucent Technologies
Model	MERLIN LEGEND Release 6.1
Category	Conference System
Language	English