Zhone 3920Plus Manual de instrucciones descargar pdf (Pagina 64)

COMSPHERE 392xPlus Modems

4-6 October 1998 3920-A2-GH30-40

Displaying VF Conditions

Status:VF

Display Clear

To display VF conditions, select Display from the Status:VF screen.

Status:VF >

SigQual=Excelent

If the modem is receiving a signal, the signal quality appears on the LCD’s bottom line. If the

modem is not receiving a signal, the message No Signal appears.

Press the

key to scroll and view the VF conditions.

NOTE

Not all conditions are available at 4800 bps.

SigQual Signal Quality displays the condition of the VF line. Possible values are

Excelent (Excellent), Good, Fair, Poor, or No Signal. These parameters

appear for V.34, V.32terbo, V.32bis, and V.32 modulations.

RcvLevel Receive Signal Level displays, in decibels referenced to one milliwatt (dBm),

the actual strength of the incoming signal. This parameter appears for V.34,

V.32terbo, V.32bis, V.32, and Trellis Multipoint modulations.

Sig/Noise Signal-to-Noise Ratio displays, in decibels, the receive signal strength

relative to noise on the line. This parameter appears for V.34, V.32terbo,

V.32bis, V.32, and Trellis Multipoint modulations.

NrEchLvl Near End Echo Level displays the signal level, in decibels referenced to one

milliwatt (dBm), of that portion of the transmit signal which has been echoed

back by the local line termination. This parameter appears for V.34,

V.32terbo, V.32bis, and V.32 modulations (in 2-wire only).

FarEchLvl Far End Echo Level displays the signal level, in decibels referenced to one

milliwatt (dBm), of that portion of the transmit signal which has been echoed

back by the remote line termination. This parameter appears for V.34,

V.32terbo, V.32bis, and V.32 modulations (in 2-wire only).

FarEchDel Far End Echo Delay displays the roundtrip delay in milliseconds of the far

end echo. This parameter appears for V.34, V.32terbo, V.32bis, and V.32

modulations (in 2-wire only).

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Zhone 3920Plus Manual de instrucciones Pagina 64