NEC UNIVERGE SV8500 - P PLO Failure

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CHAPTER 3 System Messages
1-P: PLO Failure
This message displays when the system detects all the failures concerned with input clock down or output clock
down in the PLO card at the ACT side. When this message is indicated, the PLO card changeover executes.
Note: The PLO Card 0 automatically changes over to 1. The changeover of 1 to 0 is not automatic.
Self-CPU Restart Information
Valid Information bit for Scan
Data 1
Valid Information bit for Scan Data
2
Reference: See Chapter 5 PLO Card Replacement Procedure for the circuit card replacement procedure.
Default Alarm Default Grade Grade Modified Lamp Modified
MN 3
1: XXXX XXXX XX00 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
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
b7 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
1 2
3
4
5
b0: 0/1 = PLO 0/PLO 1
1
b0-b7: Bit position corresponding to the detected information in Scan Data 1
( ) is flagged “1”.
4
2
b0-b7: Bit position corresponding to the detected information in Scan Data 2
( ) is flagged “1”.
5
3