Troubleshooting
9-33
9161-A2-GH30-30
April 1998
Digital Loopbacks
A Digital Loopback loops the digital voice signal received from the T1 interface
back to the same interface, just before reaching the D-to-A converter on the voice
port.
496-15200
to: T1 Interface
Digital Loopback
CODEC
D to A
Converter
The following tests cannot be running when a digital loopback test is initiated:
Analog Loopback, DRS or Quiet Test Tone on the same port
Analog Loopbacks
An Analog Loopback loops the analog voice signal received from the T1 interface
back to the same interface, after passing through the Digital-to-Analog converter
and Analog-to-Digital converter on the voice port.
496-15201
to: T1 Interface
Analog Loopback
CODEC
D to A
Converter
The following tests cannot be running when an Analog Loopback test is initiated:
DRS or Quiet Test Tone, or Digital or Line Loopback on the same port
Содержание T1 Access Mux 916x
Страница 1: ...MODEL 916x 926x T1 ACCESS MUX TECHNICAL REFERENCE Document No 9161 A2 GH30 31 July 1998...
Страница 14: ...Contents viii 9161 A2 GH30 30 April 1998 F Technical Specifications G Equipment List Glossary...
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Страница 92: ...Setting Up 5 38 9161 A2 GH30 30 April 1998 Example Channel Allocation...
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Страница 244: ...Menus and Configuration Worksheets A 18 9161 A2 GH30 30 April 1998 This page intentionally left blank...
Страница 252: ...IP Addressing B 8 9161 A2 GH30 30 April 1998 This page intentionally left blank...
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