58
Figure 8 Process of multiplexing E1 channels to form STM-1
Figure 9 Process of multiplexing T1 channels to form STM-1
Figure 10 Process of multiplexing E3 channels to form STM-1
STM-1
TU-11TUG-2VC-3AU-3
TUG-3VC-4AU-4AUG-1
VC-11C-11
×1 ×1 ×3
×3
×7
×7
×4
C-11: 1.544Mbps
Multiplexing
Mapping
Aligning
