O Digital Line Failure - NEC Univerge SV8500 Operation And Maintenance Manual

13-O: Digital Line Failure
Default Alarm
SUP
This message displays when a digital line failure occurs
1: XXXX 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
1 2
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
1
Accommodated location
b7 b6 b5 b4 b3
2
Kind of Fault
b7 b4 b3
Default Grade
2
b0-b4: Group number
b5, b6: Unit (0-3)
b2 b1 b0
b7:
b0-b4: Kind of Fault (HEX)
00 = -
b2 b1 b0
01 = Frame alignment loss PCM down
02 = Bit error rate is over 10
03 = Slip is detected
04 = Opposite office alarm (AIS) is detected
05 = -
06 = Multi-frame alignment loss
07 = Frame alignment loss PCM down (continuously)
08 = Multi-frame alignment loss (continuously)
Grade Modified
.
MG number
0/1 = Even-numbered MG/Odd-numbered MG
-4
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CHAPTER 3 System Messages
Lamp Modified