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Harris Corporation
Constellation™
LO
OPBACK
TEST
ING
C
H A P T E R
4
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.
Summary of Contents for Constellation
Page 1: ...Point to Point Digital Radio Constellation Installation Maintenance...
Page 2: ......
Page 4: ...Constellation November 2003...
Page 18: ...Constellation November 2003 xii List of Figures...
Page 24: ...Constellation November 2003 xviii Preface...
Page 26: ...Constellation November 2003 xx Preface...
Page 96: ...Constellation November 2003 4 12 Loopback Testing...
Page 110: ...Constellation November 2003 5 14 Configuring the Constellation Radio...
Page 134: ...Constellation November 2003 7 14 SNMP Based Network Management...
Page 210: ...Constellation November 2003 11 36 Field Replaceable Units...
Page 238: ...Constellation November 2003 A 16 Wiring Specifications...
Page 260: ...Constellation November 2003 C 10 Hardware Compatibility Tables...
Page 276: ...Constellation November 2003 Glossary 6...
Page 291: ......