NEC SV8500 Operation And Maintenance Manual - page 374
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CHAPTER 3
System Messages
[4FH] CPU ACT/STBY Changeover Stop
Error detection by Routine
Diagnosis
Suspended Item (refer to ASYD
SYS1 INDEXs 89 and 90)
Cause for Suspension
1:
4FXX
XXXX
0000
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
b6
b5
b4
b3
b2
b1
b0
b15
b9
b8
b7
b3
b2
b1
b0
1
2
3
[4FH] CPU ACT/STBY Changeover Stop
1
b1:
0/1=-/Data Memory Verification
b2:
0/1=-/TSW ACT/STBY changeover
b3:
0/1=-/CPU ACT/STBY changeover
b4:
0/1=-/Trunk Ineffective Hold Check
b5:
0/1=-/Trunk Ineffective Hold Detection
b6:
0/1=-/Call Forwarding Memory Automatic Cancellation
b9:
0/1=-/Periodical Backup
2
b0:
0/1 = -/CPU changeover
3