ZyXEL Communications IES-1248-51 Guia do Utilizador descarregar pdf (Página 327)

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Chapter 45 VoIP

IES-1248-51V User’s Guide

327

Voice TX Gain

Voice RX Gain

Tx: Enter the amount of gain (increase in signal power/volume)

you want to apply to the voice signal received from the subscriber

and transmitted to the MGC.

Rx: Enter the amount of gain (increase in signal power/volume)

you want to apply to the voice signal received from the MGC and

transmitted to the subscriber.

These are measured in decibel and the range can be from -20 to

20.

A negative value decreases the signal power/volume.

Data TX Gain

Data RX Gain

Tx: Enter the amount of gain (increase in signal power) you want

to apply to the voiceband data (fax or modem) signal received from

the subscriber and transmitted to the MGC.

Rx: Enter the amount of gain (increase in signal power) you want

to apply to the voiceband data (fax or modem) signal received from

the MGC and transmitted to the subscriber.

These are measured in decibel and the range can be from -20 to

20.

A negative value decreases the signal power.

Impedance Select the required voice band AC impedance of the DSL port for

your country. See Appendix B on page 597.

Apply Click this to save your changes.

Cancel Click this to return the fields in this screen to their last-saved

values.

Table 113 VoIP > VoIP Port Setup > Port Edit

LABEL DESCRIPTION

1 2 ... 322 323 324 325 326 327 328 329 330 331 332 ... 653 654

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