NEC SV8500 Operation And Maintenance Manual - page 361
– 314 –
CHAPTER 3
System Messages
[31H] TSW ACT/STBY Changeover Failure (MUX Fault)
Detected Error Item
Active TSW number
-
MUX card (ACT-side) linkage
condition
1:
31XX
XXXX
XXXX
XXXX
2:
XXXX
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
Unit
3
Unit
2 Unit
1 Unit
0
Unit
3
Unit
2 Unit
1 Unit
0
0: -
1: MUX connection error
(functional fault/not
mounted)
MG 1
MG 0
Unit
3
Unit
2 Unit
1 Unit
0
Unit
3
Unit
2 Unit
1 Unit
0
MG 3
MG 2
Unit
3
Unit
2 Unit
1 Unit
0
Unit
3
Unit
2 Unit
1 Unit
0
MG 5
MG 4
Unit
3
Unit
2 Unit
1 Unit
0
Unit
3
Unit
2 Unit
1 Unit
0
MG 7
MG 6
1 2
3 4
5 6
7 8
9 10
[31H] TSW ACT/STBY Changeover Failure (MUX Fault)
1
b0:
0/1=TSW ACT 0/ACT 1
2
As shown in the following table, each bit represents the Unit number
allocated for each MUX card in position. When “1” is set, the
corresponding MUX card (status: ACT) has a functional failure or is not
mounted in the proper location.
3
6
3
4
5
6