Command Reference Guide

3Com Router 5000 Family and Router 6000 Family impedance ● 179
Command Reference
impedance
Purpose Use the impedance command to configure the current electric impedance on a
voice subscriber-line.
Use the
undo impedance command to restore the default electric impedance on
the voice subscriber-line.
Syntax impedance { country-name | R550 | R600 | R650 | R700 | R750 | R800 |
R850 | R900 | R950 }
undo impedance
Parameters country-name
Specifies a country so that its impedance standard is
used. It can be Australia, Austria, Belgium-Long,
Belgium-Short, Brazil, China, Czech-Republic,
Denmark, ETSI-Harmanized, Finland, France,
German-Swiss, Greece, Hungary, India, Italy, Japan,
Korea, Mexico, Netherlands, Norway, Portugal,
Slovakia, Spain, Sweden, U.K., US-Loaded-Line,
US-Non-Loaded, or US-Special-Service.
R550
550-ohm real impedance.
R600
600-ohm real impedance.
R650
650-ohm real impedance.
R700
700-ohm real impedance.
R750
750-ohm real impedance.
R800
800-ohm real impedance.
R850
850-ohm real impedance.
R900
900-ohm real impedance.
R950
950-ohm real impedance.
Default The default electric impedance on the voice line is China.
Example Configure the current electric impedance to r600 on voice subscriber-line 1/0/0.
[Router-voice-line1/0/0] impedance r600
View This command can be used in the following views:
■ FXO Voice Subscriber-Line view