Specifications

5-15
Cisco MGX 8800/8900 Series Software Configuration Guide
Release 5.1, Part Number OL-6482-01, Rev. A0, January 25, 2005
Chapter 5 Preparing SRM Cards for Communications
Linking Service Module Lines to SRM Channels, VTs, or VCs
Table 5-8 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.
22 1464 12
23 2465 22
24 3466 32
25 4467 42
26 5468 52
27 6469 62
28 7470 72
29 1171 13
30 2172 23
31 3173 33
32 4174 43
33 5175 53
34 6176 63
35 7177 73
36 1278 14
37 2279 24
38 3280 34
39 4281 44
40 5282 54
41 6283 64
42 7284 74
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 1133 12
2 2134 22
3 3135 32
4 4136 43
5 5137 53
6 6138 63