Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 123

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Control Unit Problems
Processor Problems
Grasp both metal rings on the outside of the feature module and

pull straight up.
!
CAUTION:
Grasping only one of the rings may cause damage to components
on the processor circuit board or feature module.
Check the HDR4 header on the processor circuit board for proper

mode operation. (For more information about modifying the mode,
see Chapter 2 of Installation. )
Figure 4-5. Replacing the Feature Module
Issue 1
June 1997
Page 4-33