aurora
Sonata
Hand Held ISDN Tester—User Guide
3-44 427869
Before you start
-1- Select the interface you intend to test and
connect aurora
Sonata
to that interface.
-2-
Set up aurora
Sonata
as described in Section 1.
-3-
From the top level menu, select Simulate.
aurora
Sonata
displays a menu listing the tasks you
can perform in Simulation mode.
Selecting a channel for testing
When you make a call, aurora
Sonata
uses the channel which is
currently selected. You can select a specific B channel or set up
aurora
Sonata
to use any available B channel (Bx). You cannot
connect a call on the D channel unless you have X.25 installed
on your unit (see the X.25 Operation Annex for details), but
on a Basic Rate fixed link you can perform D channel BERT—
see Chapter 4 section 2 for instructions.
When TN1R6-T or TN1R6-N are selected, the Emulation
menu has an additional setting: L3 Protocol. This setting
determines whether it is aurora
Sonata
or the connected device
that chooses the channel to be used for a call. For details, see
Identifying the Layer 3 master and slave in Section 2 of this
chapter.
When aurora
Sonata
is emulating a TE and TN1R6-N is selected,
channel Bx is the default bearer channel.
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