4 • Basic Application Configurations

Model 3086 G.SHDSL Integrated Access Device User Guide

 

 

Switch S3-6: Annex. Annex A and B offer spectral compatibility with T1 and E1 signals respectively, this fea- ture reduces the interference between DSL lines and adjacent E1or T1 lines. For regions where T1 is used, select Annex A.

S3-6

Annex

 

 

Off

Annex A

On

Annex B

 

 

Switch S3-7.Use S3-7 to configure the TDM interface for T1 or E1 service. Note that selecting E1 automati- cally sets the E1 line rate to HDB3, line impedance to 120-Ohms. Selecting T1 automatically sets the framing to Extended Super Frame and B8ZS line code.

S3-7

Configuration

 

 

Off

E1 mode (HDB3)

On

T1 mode (ESF/B8ZS)

 

 

Switch S3-8.Switch S3 applies to E1 applications, for T1 applications this switch is ignored.

Web Interface Configuration

The T1 interface page is accesed from the Main Menu > E1/T1. This page allows configuration of T1 paraemeters as follows:

Time Slot Select. For a T1 using all 24 time slots, enter 1-24, for fractional T1 enter in any format for exam- ple: 1,2,3,5; or 1-5,10-24. Any entry for timeslots above 24 will return and invalid selection message.

Line Options: Fractional T1

Line Code: The 3086 T1 interface uses B8ZS

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T1 Interface

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Patton electronic manual Web Interface Configuration, Line Code The 3086 T1 interface uses B8ZS