2598 CHAPTER 173: VOIP CONFIGURATION COMMANDS

impedance

Syntax impedance { country-nameR550 R600 R650 R700 R750 R800 R850 R900 R950 }

undo impedance

View Analog FXO voice subscriber line view

Parameter 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.

Description Use the impedance command to configure the current electrical impedance on an FXO voice subscriber line.

Use the undo impedance command to restore the default.

By default, the electrical impedance on the FXO voice subscriber line applies to

China.

You can specify an impedance value by specifying the country where the value applies. You may just input the leading letters that uniquely identify a country without inputting a complete country name, however.

Example # Configure the current electric impedance to r600 on voice subscriber line 1/0.

<Sysname> system-view [Sysname] voice-setup [Sysname-voice] subscriber-line 1/0 [Sysname-voice-line1/0] impedance r600

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3Com MSR 30, MSR 50 manual Impedance, View Analog FXO voice subscriber line view