5-17
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 5 Preparing SRM Cards for Communications
Linking Service Module Lines to SRM Channels, VTs, or VCs
shows how each SRM link is mapped to a tributary unit group 2 (TUG-2) and a tributary unit
(TU) or VC within a SDH line when the administrative unit 3 (AU3) tributary group type is selected.
Note
You cannot mix T1 and E1 signals in a single TUG-2.
41
6
2
83
6
4
42
7
2
84
7
4
Table 5-7
SRM SONET Virtual Tributary Mapping (continued)
SRME Link
Number
VTG No.
VT No.
SRME Link
Number
VTG No.
VT No.
Table 5-8
SRM SDH AU3 TUG-2 and TU/VC Mapping
SRME Link
Number
TUG-2 No.
TU-12/VC-12
No.
SRME Link
Number
TUG-2 No.
TU-12/VC-12
No.
1
1
1
33
1
2
2
2
1
34
2
2
3
3
1
35
3
2
4
4
1
36
4
3
5
5
1
37
5
3
6
6
1
38
6
3
7
7
1
39
7
3
8
1
2
40
1
3
9
2
2
41
2
3
10
3
2
42
3
3
11
4
2
43
4
1
12
5
2
44
5
1
13
6
2
45
6
1
14
7
2
46
7
1
15
1
3
47
1
1
16
2
3
48
2
1
17
3
3
49
3
1
18
4
3
50
4
2
19
5
3
51
5
2
20
6
3
52
6
2
21
7
3
53
7
2
22
1
1
54
1
2
23
2
1
55
2
2
24
3
1
56
3
2
25
4
1
57
4
3
