NDA-24300 CHAPTER 5
Page 319
Issue 1
FAULT REPAIR PROCEDURES
Check the faulty line on the MDF. Isolate the faulty line to the in-house wiring
side and to the system side.
Connect the test D
term
to the system side.
Confirm speech by Station-to-Station calling.
When no speech can be made. Check LT cables.
Replace ELC circuit card with a spare.
When speech can be made. Check to see if the modular plug is firmly
connected with the D
term
.
Check the wiring inside the rosette.
Check the in-house wiring for any
abnormality.
Replace the D
term
with a spare.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
A
END