NEC SV8500 Operation And Maintenance Manual - 1-O: Both Plo Failure
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CHAPTER 3
System Messages
1-O: Both PLO Failure
This message displays when the system detects a fault, such as input clock all down or output clock down in the
PLO cards, at both sides.
Detected PLO number
Valid Information bit for Scan
Data 1
Valid Information bit for Scan
Data 2
Reference:
PLO Card Replacement Procedure
, for the circuit card replacement procedure.
Default Alarm
Default Grade
Grade Modified
Lamp Modified
MJ
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