Lucent Technologies Stinger Manuale utente

Stinger®

ADSL 72-Port Annex A Line Interface Module (LIM) Guide

For software version 9.4-185.3

June 2003

Lucent Technologies

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Customer Service

Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide iii

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Stinger®ADSL 72-Port Annex A Line Interface Module (LIM) Guide v

Contents

Customer Service ........................................................................................................iii

About This Guide ................................................................................xi

What is in this guide ...................................................................................................xi

What you should know...............................................................................................xi

Documentation conventions.......................................................................................xi

Stinger documentation set .........................................................................................xii

Chapter 1 Configuring an ADSL 72-Port Line Interface Module (LIM) ...........1-1

Installing an ADSL 72-port Annex A LIM ..............................................................1-1

Module specifications...............................................................................................1-2

Interpreting ADSL 72-port Annex A status lights....................................................1-2

Configuring ATM ADSL-DMT interfaces ................................................................. 1-4

Overview of the al-dmt profile..........................................................................1-4

ADSL protocol support ......................................................................................1-5

Line activation and DMT parameters ................................................................1-5

The Al-Dmt profile......................................................................................1-5

line-config subprofile ..................................................................................1-6

Rate-adaptive mode parameters..................................................................1-8

Power-level parameters and power spectral density (PSD) ........................1-9

Fast and interleaved bit-rate parameters.........................................................1-10

The fast-path-config subprofile .................................................................1-11

The interleave-path-config subprofile.......................................................1-11

margin-config subprofile...........................................................................1-13

Configuring call control..........................................................................................1-17

Examples of ADSL-DMT interface configuration ............................................1-18

Configuring selective frequency bin loading..........................................................1-20

Configuring the Stinger to disable a frequency bin.........................................1-20

Checking status of ADSL-DMT interface................................................................1-21

Checking status of the physical interface.........................................................1-22

Obtaining statistics about operations............................................................... 1-24

Displaying ADSL-DMT port status and nailed groups .....................................1-25

Chapter 2 Configuring LIM and LIM Port Redundancy....................................2-1

Overview of LIM and LIM port redundancy............................................................ 2-1

Configuring LIM redundancy................................................................................... 2-1

Overview of the lim-sparing-config profile .......................................................2-2

Manual LIM redundancy................................................................................... 2-4

Automatic LIM redundancy ..............................................................................2-4

vi Stinger®ADSL 72-Port Annex A Line Interface Module (LIM) Guide

Contents

LIM redundancy with IRMs and LPM-Rs..........................................................2-6

Checking LIM redundancy status......................................................................2-8

Checking status with the rearslot command..................................................... 2-9

Configuring LIM port redundancy.....................................................................2-9

Enabling LIM port redundancy........................................................................2-11

Manual LIM port redundancy......................................................................... 2-11

Automatic LIM port redundancy..................................................................... 2-12

Checking the status of extended LIM port redundancy ..................................2-12

Stinger®ADSL 72-Port Annex A Line Interface Module (LIM) Guide vii

Figures

Figure 1-1 ADSL 72-port Annex A LIM................................................................. 1-3

Figure 1-2 Noise margin parameters and power adjustments relationship.......... 1-14

Figure 1-3 Future noise margins and dynamic rate adaptation relationship ....... 1-16

Figure 1-4 ADSL ATM LIM configuration............................................................ 1-19

Figure 2-1 LIM redundancy in a Stinger FS unit ................................................... 2-2

Figure 2-2 LIM port redundancy on a Stinger FS unit......................................... 2-10

Stinger®ADSL 72-Port Annex A Line Interface Module (LIM) Guide ix

Tables

Table 1-1 Support for 72 port Annex A ADSL LIM............................................ 1-1

Table 1-2 ADSL 72-port Annex A LIM status lights............................................ 1-3

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