Exfo FTB-800 Series for FTB-1 Manual de usuario descargar pdf (Pagina 311)

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Test Results

NetBlazer 301

ISDN Logger

The ISDN Logger page displays color-coded ISDN messages and pass/fail

verdict.

From the Test menu, tap Results, and the ISDN Logger tab.

 Sort By selects the event sorting order: ID/Time (default), Message

Type, Dir., Call Ref., Ch#, or Call Type.

 Filter selects the filtering criterion: All (default), Layer 2, or Layer 3.

 Time Mode selects the time representation mode. The Time Mode for

the ISDN Logger and the Alarms/Errors Logger is coupled.

 Relative displays the time relative to the beginning of the test or

the last reset. The time format is Dd HH:MM:SS.

 Absolute (default) displays the time relative to the test start time

and start date. The time format depends upon the platform time

which will be either MM/DD HH:MM:SS for 24 hours time format

or MM/DD HH:MM:SS <AM/PM> for 12 hours time format.

 Clear Logger button clears the logger entries.

 Message Type column indicates the type of message which are

classified into Layer 2 and Layer 3 messages as follows.

Layer 2 messages

 SABME (Set Asynchronous Balanced Mode Extended) command is

used to place the addressed user side or network side into a

modulo 128 multiple frame acknowledged operation.

 UA (Unnumbered Acknowledgment) response is used by a data

link layer to acknowledge the receipt and acceptance of the

mode-setting commands (SABME or DISC).

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Exfo FTB-800 Series for FTB-1 Manual de usuario Pagina 311

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