In addition to unchannelized features previously available, Channelized T3 E3 Analyzer software permits direct access to all 56 T1s and/or all 32 E1s in T3 or E3. USB-based analyzer is capable of processing signaling, voice, and data on both T3 and E3 lines. It includes various signal testing capabilities such as monitoring and generating alarms, error insertion, protocol analysis, and simulation of Unchannelized (Unstructured) and Channelized (Structured) T3 E3 Traffic.