ADC HDSL4 Bedienungsanleitung PDF herunterladen (Seite 34)

Test patterns used are determined by the line coding. ATAS will run these tests depending on the line

code ATAS is checking for.

AMI ATAS tests are:

•

QRSS

•

3 in 24

•

All ones

B8ZS ATAS tests are:

•

QRSS

•

1 in 8

•

All ones

•

All zeros

ATAS populates the log with test results. The test results in the log should be used to assist with trouble

sectionalization.

The tester always has the option of running extended duration tests utilizing the Remote Access and Test

System(REACT).

7. Attachment 2 - Acronyms

1 in 8 - test pattern

3 in 24 - test pattern

All Ones - test pattern

All Zeros - test pattern

AMI - Alternate Mark Inversion line coding

AML - Actual Measured Loss - See definition in Attachment 3

ATAS - Automated Testing and Analysis System

AT&T Practice ATT-TP-000-000-006

Issue 1, 08/25/06

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ADC HDSL4 Bedienungsanleitung Seite 34