NEC Univerge SV8500 Operation And Maintenance Manual page 395

7-V: PLO MB Key Turn OFF
Default Alarm
NON
This message displays when the MB switch on the PLO card is turned off while extracting or inserting a circuit
.
card
1: XXXX XX00 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
3
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
Faulty PLO card number
b7
2
Status of PLO card at the time of
failure detection (Scan Data 1)
b7 b6 b5 b4 b3
3
Status of PLO card at the time of
failure detection (Scan Data 2)
b7 b4
Default Grade
3
b0:
b0
b0:
b1:
b2:
b2 b1 b0
b3, b4: Route of Input clock (see table)
b5:
b4 b3
0
0
1
1
b6:
b7:
b0:
b1:
b4:
b1 b0
Grade Modified
0/1 = PLO System 0/PLO System 1
0/1 = Clock STBY/ACT
0/1 = PLO Synchronizing/PLO self-running or drifting
0/1 = -/Input clock down
0/1 = -/PLO input all down
CONNECTIED WITH PRIMARY
OSCILLATOR (M-OSC)
0 M-OSC 0
1 M-OSC 1
0 -
1 -
0/1 = -/PLO output down
0/1 = -/Drifting
0/1 = -/n five millisecond clock down
0/1 = -/Frame Synchronization down from SYNC card
0/1 = -/Internal OSC clock down
– 348 –
CHAPTER 3 System Messages
Lamp Modified
CONNECTED WITH
EXTERNAL CLOCK
Route 0
Route 1
Route 2
Route 3