NEC SV8500, Manual

Page: 1009 / 3438

VOL.2-756
MG-BRI
Layer 1
Fault
L L - S - -
Cable slip off/Frame loss
occurred in LINE0 (When
office data exist in LINE0)
Confirm the cable connection and DSU side operation.
L L - - - S
Cable slip off/Frame loss
occurred in LINE1 (When
office data exist in LINE1)
L L - S - S
Cable slip off/Frame loss
occurred in LINE0/1 (When
office data exist in LINE0/1)
During Laye
r 2 startup
L L F F - -
Layer 1 of LINE 0 normal
Layer 2 establishing When this condition remains for more than one minute, check if the
office data of LINE 0 is assigned and confirm the cable connection
of LINE 0.
L L - - F F
Layer 1 of LINE 1 normal
Layer 2 establishing When this condition remains for more than one minute, check if the
office data of LINE 1 is assigned and confirm the cable connection
of LINE 1.
L L F F F F
Layer 1 of LINE 0/1 normal
Layer 2 establishing When this condition remains for more than one minute, check if the
office data of LINE 0/1 is assigned and confirm the cable connection
of LINE 0/1.
L L F L - -
Layer 1 of LINE 0 normal
Layer 2 established Check if the office data of LINE 0 is assigned. (It is normal if both
two channels of LINE 0 are in Make-Busy state)
L L - - F L
Layer 1 of LINE 1 normal
Layer 2 established Check if the office data of LINE 1 is assigned. (It is normal if both
two channels of LINE 1 are in Make-Busy state)
L L F L F L
Layer 1 of LINE 0/1 normal
Layer 2 established Check if the office data of LINE 0/1 is assigned. (It is normal if all
four channels of LINE 0/1 are in Make-Busy state)
During Res
tart proces
s
L L O O - - LINE 0 being reset
Fault related to LINE 0 has occurred. Automatic Restart is process-
ing.
L L F O - -
LINE 0 registration completed
L L F O - - LINE 0 ONLINE status
L L F L - -
LINE 0 Layer 2 link estab-
lished
L L - - O O
LINE 1 being reset
Fault related to LINE 1 has occurred. Automatic Restart is process-
ing.
L L - - F O LINE 1 registration completed
L L - - F O
LINE 1 ONLINE status
L L - - F L
LINE 1 Layer 2 link estab-
lished
(Symbol): L: Lit, O: Off, S: Slow flash (120int), F: Fast Flash (240int), -: Don’t care
Status
Lamp
Detail of Status Note
Power
On
lin
e
Lin
e 0
Line
1
B D B D