ZyXEL Communications IES-1248-51 Betriebsanweisung PDF herunterladen (Seite 140)

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Chapter 17 xDSL Profiles Setup

IES-1248-51V User’s Guide

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The following table describes the labels in this screen.

Table 26 Port Profile

LABEL DESCRIPTION

VC Profile Click VC Profile to open the VC Profile screen where you can

configure virtual channel profiles (see Section 17.5 on page 146).

Alarm Profile Click Alarm Profile to open the Alarm Profile screen where you can

configure limits that trigger an alarm when exceeded (see Section

17.6 on page 148)

IGMP Filter Profile Click IGMP Filter Profile to open the IGMP Filter Profile screen

where you can configure IGMP multicast filter profiles (see Section

20.7 on page 180).

Index This is the port profile index number.

Name These are the names of individual profiles. The DEFVAL profile always

exists and all of the DSL ports have it assigned to them by default.

You can use up to 31 ASCII characters; spaces are not allowed.

Latency Mode This is the ADSL latency mode (Fast or Interleave) for the ports that

belong to this profile.

Down/Up Stream

Rate (kbps)

These are the maximum downstream and upstream transfer rates for

the ports that belong to this profile.

Select

Modify

Select a profile’s Select radio button and click Modify to edit the

profile.

Select

Delete

Select a profile’s Select radio button and click Delete to remove the

profile.

The rest of the screen is for profile configuration.

Name When editing a profile, this is the name of this profile. When adding a

profile, type a name (up to 31 characters) for the profile.

Latency Mode This field sets the ADSL latency mode for the ports that belong to this

profile.

Select Fast mode to use no interleaving and have faster transmission

(a “fast channel”). This would be suitable if you have a good line

where little error correction is necessary.

Select Interleave mode to use interleave delay when transmission

error correction (Reed- Solomon) is necessary due to a less than ideal

telephone line.

See Section 16.4 on page 120 for more on interleave delay.

Up Stream The following parameters relate to upstream transmissions.

Max Rate Type a maximum upstream transfer rate (64 to 4096 Kbps) for this

profile. Configure the maximum upstream transfer rate to be less

than the maximum downstream transfer rate.

Min Rate Type the minimum upstream transfer rate (32 to 3000 Kbps) for this

port. Configure the minimum upstream transfer rate to be less than

the maximum upstream transfer rate.

Interleave Delay Configure this field when you set the Latency Mode field to

Interleave. Type the number of milliseconds (1-255) of interleave

delay to use for upstream transfers. It is recommended that you

configure the same latency delay for both upstream and downstream.

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