Nortel 1000E Maintenance Manual page 94

Page 94 of 162 Clearing faults
Table 21
MG 1000T Expansion fault causes and actions (Part 4 of 4)
Condition
Media quality has
deteriorated
553-3041-500 Standard 1.00
Possible cause
Defective IP links
Defective NTDK99 IP
Daughterboard in
MG 1000T
September 2004
Action
To view the status of the IP links, enter:
LD 135
STAT IPL x (where x is the number for
the MG 1000T Expansion, 1through 4)
Perform Local and Remote Loop-back
tests on the IP links by entering:
LD 135
LLBK IPL x (where x is the number for
the MG 1000T Expansion, 1through 4)
Enable the MG 1000T by entering:
LD 32
ENLS x (where x is the number for the
MG 1000T Expansion, 1 through 4)
If the fault remains, go to the next
possible cause.
Disable the MG 1000T Expansion by
entering:
LD 32
DISS x (where x is the number for the
MG 1000T Expansion, 1 through 4)
Replace the IP daughterboard on the
NTDK20 SSC circuit card.
If the fault remains, replace the SSC
card.