NEC SV8500 Operation And Maintenance Manual - page 377
– 330 –
CHAPTER 3
System Messages
[51H] Trunk Ineffective Hold Detected and Released
Error detection by Routine
Diagnosis
LENS of Trunk Ineffective Hold
Detected and Released (MG, U)
LENS of Ineffective Hold Trunk (G, LV)
1:
51XX
00XX
XXXX
XXXX
2:
XXXX
XXXX
XXXX
XXXX
3:
XXXX
XXXX
XXXX
XXXX
4:
XXXX
XXXX
XXXX
XXXX
5:
XXXX
XX00
0000
0000
6:
0000
0000
0000
0000
7:
0000
0000
0000
0000
8:
0000
0000
0000
0000
9:
0000
0000
0000
0000
b7
b2
b1
b0
Group Number
1:
500X
00XX
XXXX
XXXX
2:
XXXX
XXXX
XXXX
XXXX
3:
XXXX
XXXX
XXXX
XXXX
Group
Number
4:
XXXX
XXXX
XXXX
XXXX
5:
XXXX
XX00
0000
0000
6:
0000
0000
0000
0000
7:
0000
0000
0000
0000
8:
000
0000
0000
0000
9:
0000
0000
0000
0000
1 2
3
13
13
13
3
[51H] Trunk Ineffective Hold Detected and Released
1
b1
b0
0
0 = Unit 0
0
1 = Unit 1
1
0 = Unit 2
1
1 = Unit 3
b2:
0/1 = Even-number/Odd-number Module
12
13
11 12
13 14 15 16 17 18 19 20
1
21 2
13 4
5 6
7 8
9 10
21 22 23 24
27 28
29 30 31
25 26