Lucent Technologies FiberReach DDM-2000 - Page 1885

363-206-305 Detailed Level Procedures:
DLP-512
Issue 3, June 2000 Page 5 of 6
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
34. Request that Repair Service Bureau or Local Test Desk perform necessary
MLT type channel tests.
35. Did tests pass?
36. Check test connections and correct them if needed. Replace NBS channel unit
(if universal, replace COT channel unit) and repeat Step 34.
37. Did tests pass?
38. Make sure MLT interface equipment is working properly and that you are using
proper procedures. Repeat Step 34 and then proceed to Step 39.
39. Did tests pass?
40. Use office drawings and CO SDs to check wiring. Check for tip and ring
reversal between CO channel appearance and office equipment, as well as
between NBS protector block connect terminal. Correct wiring problem,
repeat Step 34 until tests pass, and then proceed to Step 41.
41. Is this the last designated channel unit slot to be tested with MLT type system?
If YES, proceed to Step 41.
If NO, continue with Step 36.
If YES, proceed to Step 41.
If NO, continue with Step 38.
If YES, proceed to Step 41.
If NO, continue with Step 40.
If YES, continue with Step 42.
If NO, proceed to Step 34.