ZyXEL Communications IES-1248-51 Guía de usuario descargar pdf (Pagina 501)

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Chapter 64 ADSL Commands

IES-1248-51V User’s Guide

501

64.4.12 Tone Diagnostics 992.3 Command Example

The following example displays the tone diagnostics results for ADSL port 8.

The following table lists the tone diagnostic parameters. See the ITU-T’s G.992.3

for more information.

Figure 210 Tone Diagnostics Command Example

ras> ad lined toneD 1

port: 1

number_of_subcarries: 512 32

latn: 24.1 2.7

satn: 24.1 61.3

snrm: 30.2 25.0

attndr: 28008000 1248000

farEndActatp: -31.0 11.9

i log(dB) QLN(dBm) SNR(dB)

0 N/A N/A N/A

1 N/A N/A N/A

2 N/A N/A N/A

3 N/A N/A N/A

4 N/A N/A N/A

5 N/A N/A N/A

6 -21.1 -125.5 17.5

7 -15.3 -124.0 26.0

8 -9.9 -123.0 31.0

9 -5.7 -120.5 38.0

----------------------Snip------------------------

509 6.0 -124.0 29.0

510 6.0 -124.0 29.0

511 6.0 -123.0 26.5

Table 191 ToneDiag Command

LABEL DESCRIPTION

number_of_

subcarries

Discrete Multi-Tone (DMT) modulation divides up a line’s bandwidth

into sub-carriers (sub-channels) of 4.3125 KHz each.

This number indicates how many upstream and downstream DMT sub-

carriers the ADSL connection is using.

hlinScale: The channel characteristics function is represented in linear format by

a scale factor and a complex number. This is the maximum upstream

and downstream scale factor used in producing the channel

characteristics function.

latn: This is the upstream and downstream Line Attenuation (in dB).

satn: This is the upstream and downstream Signal Attenuation (in dB).

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