Broadband Analyzer/Generator ANT-20/ANT-20EA-22 Application Guide3 Detecting and analyzing ATM channels (Channel Explorer)3.1 Overview: Basic operating sequenceThe following section lists all the necessary steps, from starting the application and selecting thescan type through to the scan itself and on to sorting the results and recording them. Furtherinformation on the operating sequences is found in the corresponding sub-sections (see the“More” column). Please note the settings that apply to more than one VI. The VI icons used inthe “minibar” are shown in the left-hand column as an aid to orientation.VI Operating step More information1. Select the virtual instruments for the ATM application“Signal Structure” VI and “ATM Channel Explorer” VISec. 1.1, Page A-12. Set the signal structureConfigure the physical layer and match it to the measurement tasksee D onpage A-63. Close the “Signal Structure” VI -4. Select the scan type• Select the “Activity” scan if active traffic channels are to be dis-played– or –• Select the “Trouble” scan type if channels showing alarms are tobe displayed.5. Select the options• Select the interface at which the measurement is being made.• Deselect the inactive channels.6. Trigger the scanThe traffic check or alarm detection procedure starts. The requiredchannels are entered one after the other in the results window. Thescan runs until the 1000th channel is detected or until the scan isstopped.7. Perform AAL analysis (“Activity” scan type)• Select “AAL Type” analysis if you want a tabular evaluation accor-ding to AAL types.– or –• Select “AAL Type Distribution” analysis if you want a graphicalevaluation according to AAL types.8. Sort the channels9. Record and/or further process the results• Print out the contents of the results window– or –• Export the contents of the results window.Sec. 3.4.1, Page A-24Sec. 3.4.4, Page A-27Sec. 3.5, Page A-29Sec. 3.5, Page A-29Sec. 3.4.1, Page A-24Sec. 3.4.4, Page A-27Sec. 3.4.2, Page A-25Sec. 3.4.3, Page A-26Sec. 3.6, Page A-30see“Channel Explorer” on-line helpTable A-2 Overview: Detecting and analyzing ATM channels
