NEC SV8500 Operation And Maintenance Manual - 4-T:
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CHAPTER 3
System Messages
4-T:
Both MUX Ready Failure
This message displays when the MUX card has a Ready Failure in both of the dual systems. When the card is
not ready for service because of the failure or because the card is not mounted properly, the system creates this
system message.
Unit and MG number for MUX card
with the ready fault
MG and system number for faulty
MUX card
Note 1:
Though this message indicates the Ready Failure in both systems, the information displayed here only
relates to the ACT-side MUX status. (Two messages are not displayed separately.)
Note 2:
Fixed as 0 (=ACT)
Note 1
.
Reference:
See
Unit Fault - ACT-Side MUX Card Is Faulty and System Has Changed Over
procedure.
Default Alarm
Default Grade
Grade Modified
Lamp Modified
MN
3
1:
XXXX
0000
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
b7
b2
b1
b0
1 2
b0:
0/1 = -/MUX ready fault in even-numbered MG, Unit 0
b1:
0/1 = -/MUX ready fault in even-numbered MG, Unit 1
b2:
0/1 = -/MUX ready fault in even-numbered MG, Unit 2
b3:
0/1 = -/MUX ready fault in even-numbered MG, Unit 3
b4:
0/1 = -/MUX ready fault in odd-numbered MG, Unit 0
b5:
0/1 = -/MUX ready fault in odd-numbered MG, Unit 1
b6:
0/1 = -/MUX ready fault in odd-numbered MG, Unit 2
b7:
0/1 = -/MUX ready fault in odd-numbered MG, Unit 3
1
b0:
MG number for faulty MUX card
0/1 = Even number/Odd number
b1:
0/1 = Ready failure in MUX System 0/Ready failure in MUX System
1
Note 1
b2:
ACT or STBY status of the faulty MUX
Note 2
0/1 = ACT/STBY
2