SDH AU-4 and AU-3 sub-channel applications

Overview

SDH sub-channel applications allow you to create AU4 or AU3 channels on deep channelized OC-12 (STM-4) and OC-3 (STM-1) ports, and to configure multiple DS0 connection termination points.

After an AU4 sub-channel is created, it implicitly contains three TUG-3 groups. A TUG-3 is channelized to carry one of the following payload types:

• TU3

• TU11

• TU12

After an AU-3 sub-channel is created, it is channelized to carry one of the following payload types:

• DS3, E3

• TU11

• TU12