DLP-511
: Detailed Level Procedures 363-206-305
Page 2 of 2 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
1.
NOTE:
After a fullx or loopx test, a channel test from STV should be performed.
Perform the MLT test on the NBS circuit reported to have trouble but do not
perform the tone test.
Comment: You should note the results of the DC tests during the loop test
phase of the channel test.
Comment: If you perform the tone test, the results will be intermittent return
tones.
2. Refer to Table A and perform the appropriate action according to the result of
the MLT test signature.
3.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
Ta bl e A –
SLC-2000 DT Feature DC Signatures for Drop Tes
DC Signature
(Resistance T-R)
(Ohms) Indication Dispatch To
15K-24K HDT/NBS link up and NBS common equipment
failure or NBS not equipped for testing
NBS
24K-34K HDT/NBS link up and FEMF on drop NBS
34K-44K HDT/NBS link up and drop test OK As indicated by
channel test
44K-54K HDT/NBS link up and drop open NBS
54K-64K HDT/NBS link up and resistive fault NBS
64K-74K HDT/NBS link up and receiver off hook (ROH) NBS or customer
premises
74K-86K HDT/NBS link up and hazardous potentials on
drop
NBS
>1000K HDT/NBS link down HDT
To Next Page
Loading...