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aurora Sonata Hand Held ISDN Tester—User Guide
3-4 427869
Setting up aurora
Sonata
for ISDN operation
-1-
From the main
Setup
menu, select
ISDN
to
display a sub-menu of settings:
-2-
Highlight the type of setting you want to
define and press ENTER to display its sub-
menu or option window. The settings are:
Protocol
Identifies the ISDN protocol you intend to use.
Emulation
Determines the way in which aurora
Sonata
operates in Simulation mode.
Layer 2
Sets up Layer 2 operation.
Charging
Determines how aurora
Sonata
generates charging
information.
S bus term’n
On the S interface, this allows you to connect
and disconnect an 100
Ω
resistor on the S bus.
PRI term’n
Allows you to terminate the PRI link with 75
Ω
or 120
Ω
.
CRC4
Switches CRC4 checking on or off.
Return RAI
Gives you the option to return a Remote Alarm
Indication (RAI) to the remote end of the
connection.
Encoding
The voice encoding method.
Idle Codes
The code that denotes the ‘idle state’, i.e.
absence of channel activity. See Chapter 5 for
setup instructions.
Dial options
Allows you to set up dialling information.
BERT
Determines how Bit Error Rate Tests are
performed. See chapter 4 for setup instructions.
ECT
Allows you to set up the Explicit Call Transfer
supplementary service.