W Plo Restore - NEC Univerge SV8500 Operation And Maintenance Manual

1-W: PLO Restore
Default Alarm
NON
This message displays when a failure such as internal clock down occurred to PLO is restored.
1: XXXX XX00 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
1 2
3
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
Restoration of PLO fault
b7
2
Current Status of PLO card
b7 b6 b5 b4 b3
3
Current Status of PLO card
b7 b4
Default Grade
3
b0:
b0
b0:
b1:
b2 b1 b0
b2:
b3, b4: Route of input clock (see the table below)
b4
0
0
1
1
b5:
b6:
b7:
b0:
b1:
b1 b0
b4:
Grade Modified
0/1 = PLO System 0/PLO System 1
0/1 = Clock is in STBY side/ACT side
0/1 = PLO synchronizing/PLO self running or drifting
0/1 = -/Input clock down
CONNECTED WITH PRIMARY
b3
OSCILLATOR (M-OSC)
0 M-OSC 0
1 M-OSC 1
0 –
1 –
0/1 = -/PLO input all down
0/1 = -/PLO output down
0/1 = -/Drifting
0/1 = -/Five millisecond clock down
0/1 = -/Frame Synchronization from SYNC card is down
0/1 = -/Internal OSC clock down
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CHAPTER 3 System Messages
Lamp Modified
CONNECTED WITH
EXTERNAL CLOCK
Route 0
Route 1
Route 2
Route 3