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CHAPTER 3 System Messages
Scan Data 1: Current Status of PLO
card
Scan Data 2: Current 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 status at time of detection
0/1 = PLO synchronizing/PLO self running or drift abnormal
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
00 0 0
01 1 1
10 - 2
11 - 3
4
b0: 0/1 = -/Five milliseconds Burst Clock down
b1: 0/1 = -/Frame Synchronization from SYNC card is down
b4: 0/1 = -/Internal OSC clock down
5
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