Introduction To Isdn; Transmission Services - Agilent Technologies aurora Duet User Manual

Duet
aurora Basic & Primary Rate ISDN Tester - User Guide

Introduction to ISDN

Transmission services

1 - 6
The PRI aurora is designed to test the ISDN Primary
Duet
Rate Interface (PRI) at the 'T' reference point by
emulating either a TE or an NT. For more information,
see Equipment Interface Reference Points in this chapter.
Making and clearing a Basic Rate or Primary Rate
connection between the terminal and the network uses
communication protocols. aurora
operation of these protocols and reports success or
failure of the call on its Liquid Crystal Display (LCD).
When you have made or answered an ISDN call, (either
voice or data type) aurora
the connection.
• For voice calls, this is done by means of a speech
test with another party. A Bit Error Rate Test
(BERT) can be done to test the quality of service.
• For data calls, a Bit Error Rate Test (BERT) can be
carried out.
The Integrated Services Digital Network (ISDN) is an
evolutionary circuit switched network based on digital
telephony. It uses a common set of interface standards
and allows all users to send and receive information over
the network.
A number of transmission services may be offered. They
are summarized in the following illustration.
tests the correct
Duet
lets you test the integrity of
Duet
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