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 4-5
Power Supply Problems
ring, see ‘‘Module Problems’’ on page 4-34. See Table 4–1 to determine which
012 module is installed.
NOTE:
All 016 (T/R) modules contain built-in ring generators.
Table 4–1. PEC and Apparatus Codes for 012 Modules
!
WARNING:
!
Hazardous electrical voltages may be present if the following steps are not
performed correctly.
To replace the ring generator, follow the steps below. Refer to Figure 4-7
throughout the procedure.
!Follow Steps 1–4 in ‘‘Replacing the Power Supply’’ on page 4-10
, to
remove the power supply. Then return to Step 2 below.
!Place the power supply on its left side and remove the five screws.
!Carefully turn the power supply over on its right side and then
remove the top of the power supply housing.
!Detach the cables from the inside edge of the plastic housing by
removing them from the clips.
!Disconnect the 4-pin cable from the header labeled P202 on the left
side of the power supply circuit board.
You may need to pry back the clip to free the cable.
!Disconnect the other cable from the header labeled P101 on the
right side of the power supply circuit board.
012 Module PEC App. Code
With Ring Generator 61494 517G13 (28) or higher letter
Basic Telephone
(without ring generator)
61487 517E13 or
517F13 or lower letter

Lucent Technologies MERLIN LEGEND Release 6.1 Specifications

General

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