aurora
Sonata
Hand Held ISDN Tester—User Guide
3-22 427869
-2-
Choose Unit or Currency and press ENTER.
Requesting charging information
If you are testing a VN4 line and you are emulating a TE,
aurora
Sonata
allows you to request charging information from
the NT.
-1-
From the ISDN Setup menu, select Charging.
-2-
Choose AOC Req to display an option list:
-3-
Highlight an option and press ENTER.
Terminating the S bus
On a Basic Rate link it is necessary to have the S bus
terminated with 100Ω at either end. This is normally done by
the NT and the most distant socket on the bus.
When using aurora
Sonata
for simulation on the S interface, you
must switch its 100Ω termination resistor on or off as
appropriate, to ensure that the bus is correctly terminated.
Note
For instructions on when you require the termination resistor,
see Simulation on the S interface in Chapter 4 section 1.
-1-
From the ISDN Setup menu, select S bus
termination to display an option window.
-2-
Highlight Off or On and press ENTER.
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