LevelOne 4100 Benutzerhandbuch

FXO

Setting

Line Side Impedance Setting:

To specify the PSTN or PBX impedance, choose your country from the list.

For most of the cases, once you choose your country, all the other

corresponding settings will be set automatically.

Or please enter the right impedance if you cannot find your country in the list.

For example: if the PSTN line impedance is 600 ohm, please select 600 in this

field. If you choose your country from the list, go directly to Loop Current

Shutdown Detection setting.

If your country is not in the above setting list or your country is in the list

but you still encounter a disconnection failure, you must do “Tone

Detection Frequency Setting” and “Tone On-Off Duration Setting”.

Tone Detection Frequency Setting: