NEC UNIVERGE SV8500 - O Digital Line Failure

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CHAPTER 3 System Messages
13-O: Digital Line Failure
This message displays when a digital line failure occurs.
Accommodated location
Kind of Fault
Default Alarm Default Grade Grade Modified Lamp Modified
SUP 2
1: XXXX 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
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
b7 b6 b5 b4 b3 b2 b1 b0
b7 b4 b3 b2 b1 b0
1
2
b0-b4: Group number
b5, b6:Unit (0-3)
b7: MG number
0/1 = Even-numbered MG/Odd-numbered MG
1
b0-b4: Kind of Fault (HEX)
00 = -
01 = Frame alignment loss PCM down
02 = Bit error rate is over 10
-4
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)
2