Specifications

5-17
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 5-9 shows how each SRM link is mapped to a tributary unit group 3 (TUG-2), TUG-2, and a TU
or VC within an SDH line when the AU4 tributary group type is selected.
Note You cannot mix T1 and E1 signals in a single TUG-2.
Table 5-9 SRM SDH AU4 TUG-3, TUG-2, and TU/VC Mapping
SRME Link
Number TUG-3 No. TUG-2 No.
TU-12/VC-1
2 No.
SRME Link
Number TUG-3 No. TUG-2 No.
TU-12/VC-1
2 No.
1 11133 212
2 12134 222
3 13135 232
4 14136 243
5 15137 253
6 16138 263
7 17139 273
8 11240 213
9 12241 223
10 13242 233
11 14243 341
12 15244 351
13 16245 361
14 17246 371
15 11347 311
16 12348 321
17 13349 331
18 14350 342
19 15351 352
20 16352 362
21 17353 372
22 21154 312
23 22155 322
24 23156 332
25 24157 343
26 25158 353
27 26159 363
28 27160 373
29 21261 313
30 22262 323