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Harris Corporation
Constellation™
LOO
P
BACK
TESTI
N
G
C
H A P T E R
5
L
OOPBACK
T
ESTING
Introduction
The following loopback tests can be performed through the Keypad.
•
Local electronic IF loopback for fault isolation
•
T1 local and remote loopback tests
•
DS3 local and remote loopback tests
•
OC3 local and remote loopback tests
The following tributary BER test can be performed through the Keypad.
•
T1 loopback with a built-in pseudorandom generator/receiver
Precautions
A DS1 or DS3 loopback test disrupts traffic only on
that tributary under test.
An IF or OC3 loopback test disrupts traffic.
Summary of Contents for Constellation
Page 1: ...Point to Point Digital Radio Constellation Installation Maintenance next level solutions ...
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Page 3: ...Constellation Microwave Radio INSTALLATION AND MAINTENANCE MANUAL June 20 2002 IMN 112871 E07 ...
Page 16: ...Constellation 2002 June 20 TOC 12 ...
Page 20: ...Constellation 2002 June 20 2 ...
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Page 136: ...Constellation 2002 June 20 10 12 ...
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