NEC Univerge SV8500 Operation And Maintenance Manual page 271

4
Scan Data 1: Current Status of PLO
card
b7 b6 b5 b4 b3
5 Scan Data 2: Current Status of PLO
card
b7 b4
b0:
b1:
b2 b1 b0
b2:
b3, b4: Route of Input clock
b4
0
0
1
1
b5:
b6:
b7:
b0:
b1:
b4:
b1 b0
Clock status at time of detection
0/1 = STBY/ACT
Circuit Card status at time of detection
0/1 = PLO synchronizing/PLO self running or drift abnormal
0/1 = -/Input clock down
b3 DCS INPUT ROUTE
0 0
1 1
0 -
1 -
0/1 = -/PLO input all down
0/1 = -/PLO output down
0/1 = -/Drifting
0/1 = -/Five milliseconds Burst 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
ROUTE OF INPUT
CLOCK
0
1
2
3