P Dch Back-Up Automatic Change Start/End - NEC Univerge SV8500 Operation And Maintenance Manual

23-P: DCH Back-Up Automatic Change Start/End
Default Alarm
NON
This message displays when the Primary Dch fails, and the Dch Back-Up function is operated automatically.
1: XXXX XXXX XXXX 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
1 3 4
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
Condition of Dch
b7 b6 b5 b4 b3
2
Location of Dch (Primary)
b7 b6 b5 b4 b3
3
Location of Dch (Back-up)
b7 b6 b5 b4 b3
Default Grade
1
5 6
b0-b7:
b2 b1 b0
b0-b4: Group number
b5, b6: Unit (0-3)
b2 b1 b0
b7:
b0-b4: Group number
b5, b6: Unit (0-3)
b2 b1 b0
b7:
Grade Modified
1 = Back-up Start
2 = Back-up End
3 = Back-up Failed
0/1 = Even-numbered MG/Odd-numbered MG
0/1 = Even-numbered MG/Odd-numbered MG
– 418 –
CHAPTER 3 System Messages
Lamp Modified