Displaying The Aal Type Distribution - Wavetek ANT-20 Operating Manual

Broadband Analyzer/Generator
To stop the analysis
⇒ Click the "Cancel" button (e.g. if "Unchecked" entries appear in the list).
– or –
The analysis stops automatically when all channels are analyzed again.
Attribute
AAL 1
AAL 3/4
AAL 5
Unchecked
Undet.
Table A-4
3.4.3

Displaying the AAL Type Distribution

Determine and display the distribution of active ATM channels according to AAL types.
To start the analysis
⇒ Click the above icon button of the toolbar or click the item "AAL Type Distribution" in the
"Analyse" menu.
The "AAL Type Distribution" window showing the current distribution of active channels
according to AAL types is displayed.
– The pie chart gives a dynamic overview
– The table lists percentage values to give a quantitative display
Fig. A-32
A-26
Meaning
Constant bit rate channel (AAL type 1, service class A)
Data services channel (AAL type 3/4, service class C, D)
Channel with simplified protocol for rapid data communications (AAL type 5, service
class C)
The channel was not checked for AAL type. Reason: User aborted analysis.
Channel cannot be analyzed or assigned to a particular AAL type. Reason: unknown
AAL type or no activity in channel.
AAL type display after an AAL analysis
AAL type analysis
Pie chart
Table
ANT-20/ANT-20E
Application Guide