NEC SV8500 Operation And Maintenance Manual - page 273
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CHAPTER 3
System Messages
Scan Data 1: Status of PLO card
Scan Data: Status of PLO card
b7
b6
b5
b4
b3
b2
b1
b0
b7
b4
b1
b0
b0:
Clock status at time of detection
0/1 = STBY/ACT
b1:
Circuit card at time of detection
0/1 = PLO synchronizing/PLO self running or drifting
b2:
0/1 = -/Input clock down
b3, b4: Route of Input clock
b5:
0/1 = -/PLO input all down
b6:
0/1 = -/PLO output down
b7:
0/1 = -/Drifting
b4
b3
DCS INPUT ROUTE
ROUTE OF INPUT
CLOCK
0
0
0
0
0
1
1
1
1
0
-
2
1
1
-
3
4
b0:
0/1 = -/Five millisecond Burst Clock down
b1:
0/1 = -/Frame Synchronization from SYNC card is down
b4:
0/1 = -/Internal OSC clock down
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