Lucent Technologies SLC-2000 User & Service Manual page 879

363-208-001
Issue 9, April 1998
20. Use office drawings to check wiring. Look for a tip and ring reversal between
the RT and cross-connect terminal. Verify the central office channel and
number assignments. Correct the problem before continuing with the next
step.
21. At the RT, dial the local main distributing frame (MDF) or central office number
and make normal talk tests.
22. Was the call completed with normal transmission quality in both directions?
If YES, then proceed to Step 25.
If NO, then continue with Step 23.
23. Replace the RT channel unit and repeat from Step 12. Is the talk quality
normal now?
If YES, then proceed to Step 25.
If NO, then continue with Step 24.
24. Use the RT schematic drawings to check wiring. Look for a tip and ring
reversal between the RT and cross-connect terminal. Correct the problem
before continuing with the next step.
25. At the RT, put the handset on the hook. Does the meter indicate 0 volts after 3
seconds?
If YES, then proceed to Step 28.
If NO, then continue with Step 26.
26. Replace the RT channel unit and repeat from Step 12. Does the meter indicate
0 V DC now?
If YES, then proceed to Step 28.
If NO, then continue with Step 27.
27. Look for a tip and ring reversal between the RT and cross-connect terminal.
Correct the problem before continuing with the next step.
28. At the central office, dial the telephone number to ring the telephone at the RT.
Channel Unit Installation: DLP-602
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