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Lucent Stinger Manual

Adsl 48-port annex b line interface module (lim)
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Stinger
®
ADSL 48-Port Annex B Line Interface Module (LIM) Guide
For software version 9.2-167
December 2001

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Summary of Contents for Lucent Stinger

  • Page 1 Stinger ® ADSL 48-Port Annex B Line Interface Module (LIM) Guide For software version 9.2-167 December 2001...
  • Page 2 Radio and Telecommunications Technical Equipment (RTTE) Directive 1999/5/EC. To view the official Declaration of Conformity certificate for this equipment, according to EN 45014, access the Lucent INS online documentation library at http://www.lucentdocs.com/ins. Safety, Compliance, and Warranty Information Before handling any Lucent Access Networks hardware product, read the Edge Access Safety and Compliance Guide included in your product package.

  • Page 3: Customer Service

    Alternatively, call 1-866-LUCENT8 (1-866-582-3688) from any location in North America for a menu of Lucent services. Or call +1 510-769-6001 for an operator. If you do not have an active services agreement or contract, you will be charged for time and materials.

  • Page 5: Table Of Contents

    Configuring call control ....................... 1-14 Examples of ADSL-DMT interface configuration ............1-16 Configuring selective frequency bin loading ............... 1-17 Configuring the Stinger to disable a frequency bin ............1-18 Checking status of ADSL-DMT interface ................1-19 Checking status of the physical interface ..............1-19 Obtaining statistics about operations ................
  • Page 6 Checking status with the Rearslot command ..............2-9 Configuring LIM port redundancy..................2-10 Enabling LIM port redundancy..................2-11 Manual LIM port redundancy..................2-12 Automatic LIM port redundancy .................. 2-12 Checking the status of extended LIM port redundancy ..........2-13 Stinger® ADSL 48-Port Annex B LIM Guide...
  • Page 7 Future support: Noise margins and dynamic rate adaptation relationship . 1-13 Figure 1-4 ADSL ATM LIM configuration ..............1-16 Figure 2-1 LIM redundancy in a Stinger FS ..............2-2 Figure 2-2 LIM port redundancy on a Stinger FS ............2-11 Stinger® ADSL 48-Port Annex B LIM Guide...
  • Page 9 Tables Table 1-1 ADSL 48-port Annex B LIM status lights............ 1-4 Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 11: About This Guide

    About This Guide What is in this guide This guide describes how to configure and monitor the Stinger ADSL 48-port Annex B line interface module (LIM) and includes configuration examples and module specifications. This guide also describes how to configure LIM redundancy.

  • Page 12: Stinger Documentation Set

    Warning: Warns of danger of electric shock. Warning: Stinger documentation set The Stinger documentation set consists of the following manuals, which can be found at http://www.lucentdocs.com/ins • Read me first: – Edge Access Safety and Compliance Guide. Contains important safety instructions and country-specific information that you must read before installing a Stinger unit.
  • Page 13 About This Guide Stinger documentation set – Module guides. For each Stinger line interface module (LIM), trunk module, or other type of module, an individual guide describes the module's features and provides instructions for configuring the module and verifying its status.

  • Page 15: Chapter 1 Configuring An Adsl 48-Port Annex B Line Interface Module (Lim)

    Stinger FS and Stinger LS chassis. Installing an ADSL 48-port Annex B LIM Install the ADSL 48-port LIM in the same manner as other LIMs. See the Stinger Getting Started Guide for your unit for details. After installation, the module must be configured following the instructions in this guide.

  • Page 16: Intrepreting Adsl 48-Port Annex B Status Lights

    Several status lights on the front panel of the ADSL 48-port Annex B LIM indicate the status of the module and its ports. Figure 1-1 shows the front panel and status lights of the ADSL 48-port Annex B LIM. Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 17: Figure 1-1 Adsl 48-Port Annex B Lim

    (POST). When the module passes its POST and becomes operational, the ACTIVE light illuminates. It is the only light that is on during normal operation. Table 1-1 explains the ADSL 48-port Annex B status lights. Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 18: Configuring Atm Adsl-Dmt Interfaces

    If the light is not illuminated, the port is inactive. Configuring ATM ADSL-DMT interfaces A Stinger unit creates an Al-Dmt profile for each ADSL-DMT interface in the system. For example, for an ADSL-DMT LIM installed in slot 14, the system creates the following profiles: admin>...

  • Page 19: Adsl Protocol Support

    AL-DMT line. These profile and subprofile parameters are described in the following tables. [in AL-DMT/{ any-shelf any-slot 0 }] name = "" physical-address* = { any-shelf any-slot 0 } Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 20: Line-Config Subprofile

    : slot : port format (for example, 1:2:3 ), but you can assign a text string of up to 16 characters. physical-address Specifies the physical address of the interface in the Stinger unit. enabled Enables the ADSL-DMT interface. An ADSL-DMT line is disabled until you activate the line in the Al-Dmt profile.
  • Page 21 Valid range is 0 through 31 for the 48-port Annex B LIM. In TAOS 9.1-124 the default value is set and cannot be changed. This value is displayed as 6, but is set internally for Annex B to 1. Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 22: Rate-Adaptive Mode Parameters

    1-12. The following parameters in the Line-Config subprofile, shown with default values, define how rate adaptation operates on the line: [in AL-DMT/{ any-shelf any-slot 0 }:line-config] rate-adapt-mode-up = automatic-at-startup rate-adapt-mode-down = automatic-at-startup Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 23: Power-Level Parameters And Power Spectral Density (Psd)

    [in AL-DMT/{ any-shelf any-slot 0 }:line-config] max-aggr-power-level-up = 13 max-aggr-power-level-down = 20 max-power-spectral-density = 40 gain-default = 16-db Parameter Description max-aggr-power-level-up Specifies the maximum aggregate power level on the upstream channel. Valid range is from 0dBm through 13dBm. Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 24: Fast And Interleaved Bit-Rate Parameters

    [in AL-DMT/{ any-shelf any-slot 0 }:interleave-path-config] min-bitrate-up = 128 min-bitrate-down = 128 max-bitrate-up = 1000 max-bitrate-down = 8000 planned-bitrate-up = 512 planned-bitrate-down = 1000 1-10 Stinger® ADSL 48-Port Annex B LIM Guide...
  • Page 25 (delay) of the data traffic. When using the interleave channel, determine the maximum amount of latency by considering the type of traffic sent on the line. The more tolerant of delay the traffic is, the higher these settings can be. Stinger® ADSL 48-Port Annex B LIM Guide 1-11...

  • Page 26: Margin-Config Subprofile

    Increase output power 0dB margin The target noise margin parameter is supported by the ADSL 48-port Annex B LIM. The minimum noise margin and maximum additional noise margin parameters are not used by 1-12 Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 27: Figure 1-3 Future Support: Noise Margins And Dynamic Rate Adaptation Relationship

    Reduce bit rate (downshift) Minimum noise margin Increase output power 0dB margin When dynamic rate adaptation is supported, the following parameters will configure it: [in AL-DMT/{ any-shelf any-slot 0 }:margin-config] ra-downshift-margin-up = 0 Stinger® ADSL 48-Port Annex B LIM Guide 1-13...

  • Page 28: Configuring Call Control

    Configuring call control Using the call-control procedures, you can configure the Stinger to allow connections to be established even when the line state is not fully up. You configure the unit to use these procedures systemwide or on a per-port basis on the DS3-ATM, OC3-ATM, and E3-ATM trunk modules and on the SDSL, ADSL, and SHDSL/HDSL2 LIMs.
  • Page 29 SPVC remains connected. Connections are broken only if the physical slot or line stops operating or is disabled by an administrator. By default, the Stinger unit monitors the physical line state of its interfaces and allows connections to be established only when the line state is fully connected.

  • Page 30: Examples Of Adsl-Dmt Interface Configuration

    SDSL/{ shelf-1 slot-12 1 } written Examples of ADSL-DMT interface configuration In Figure 1-4, an ADSL-DMT interface in a Stinger unit is configured to support a rate-adaptive connection to a DSL-CELL-50A CPE. Figure 1-4. ADSL ATM LIM configuration...

  • Page 31: Configuring Selective Frequency Bin Loading

    Selective bin loading enables you to mask the interfering frequency by disabling the Stinger frequency bin that corresponds to it. You can also use selective bin loading to mask intermittent noise from other sources in a particular bundle from the central office.

  • Page 32: Configuring The Stinger To Disable A Frequency Bin

    • You need to lower the bits per bin to enable the Stinger unit to interoperate with CPEs that do not allow 14 bits per bin. Enables or disables specified frequency bins. Specify no to disable a bin-loading bin frequency.

  • Page 33: Checking Status Of Adsl-Dmt Interface

    The counter counter is reset when the Stinger starts or restarts. Indicates the valid range of VPI and VCI for the circuits established vpi-vci-range for the line. This range can change only after LIM reboot.
  • Page 34 Zero means that latency is set to interleave or the data rate is unknown. Indicates the downstream data rate in bps when latency is down-stream-rate- fast. Zero means that latency is set to interleave or the fast data rate is unknown. 1-20 Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 35: Obtaining Statistics About Operations

    [in AL-DMT-STAT/{ shelf-1 slot-3 4 }:physical-statistic] line-up-timer = { 0 0 1 } rx-signal-present = yes up-dwn-cntr = 3 self-test = passed noise-margin-down = 6 attenuation-down = 56 output-power-down = 19 Stinger® ADSL 48-Port Annex B LIM Guide 1-21...
  • Page 36 Indicates cyclic redundancy check (CRC) errors detected by the far-end-crc CPE ATU. Indicates header error control (HEC) errors detected by the CPE far-end-hec ATU. received-rs-blcks Indicates the number of received Reed-Solomon blocks. Enabled on 24-port and 48-port LIMs only. 1-22 Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 37: Displaying Adsl-Dmt Port Status And Nailed Groups

    00153) Line Idle 00154) Line Idle 00155) Line Idle 00156) Line Idle 00157) Line Idle 00158) Line Idle 00159) Line 4 10 } Idle 00160) Line 4 11 } Idle 00161) ..Stinger® ADSL 48-Port Annex B LIM Guide 1-23...

  • Page 39: Configuring Lim And Lim Port Redundancy

    LIM redundancy provides a one-to-one backup function for LIMs. Each type of LIM to be backed up requires a spare LIM with a PSM or CLT module plugged in behind or next to it. For example, a Stinger FS configured with 14 ADSL 24-port LIMs can be set up with the following module pairs: •...

  • Page 40: Overview Of The Lim-Sparing-Config Profile

    LIM. Figure 2-1 illustrates LIM redundancy for a failed SDSL LIM in slot 4 of a Stinger FS chassis. A Stinger LS chassis has its LPMs and PSMs or CLT modules next to its LIMs rather than behind them.
  • Page 41 LIM. number For example, suppose a Stinger unit is configured with an ADSL LIM in slot 1 and an SDSL LIM in slot 4. Slot 14 contains a spare ADSL LIM with a PSM, and slot 16 contains a spare SDSL LIM also with a PSM.

  • Page 42: Manual Lim Redundancy

    = 4 admin> set sparing = manual admin> write LIM-SPARING-CONFIG/{ shelf-1 slot-160 } written LOG notice, Shelf 1, Slot 8, Time: 01:30:02-- LIM 16 ACTIVATED as spare for LIM 4 Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 43: Automatic Lim Redundancy

    LIM-Sparing-Config profile. For example, suppose slot 16 in a Stinger FS contains a spare SDSL LIM, slots 1 through 7 contain SDSL LIMs, but slots 10 through 15 contain ADSL LIMs. Only the parameters contained in LIM-Sparing-Config subprofiles 1 through 7 are applied to automatically replace the SDSL LIMs in slots 1 through 7.
  • Page 44 In the LIM-Sparing-Config profile for the spare LIM, set the sparing-mode parameter to automatic. For example, if you install a spare SDSL LIM in slot 15 of a Stinger FS unit and want to activate automatic LIM redundancy for the SDSL LIMs in slots 1 through 7, proceed as follows: List the Auto-LIM-Sparing-Config profile for slot 1.

  • Page 45: Lim Redundancy With Irms And Lpm-Rs

    For example, if a Stinger has an SDSL LIM and an IRM installed in slot 16, and it also has an SDSL LIM with an LPM-R installed in slot 4, you must first create a LIM-Sparing-Config profile for slot 16: admin>...

  • Page 46: Checking Lim Redundancy Status

    (spare) LIM, the value can be secondary-active or secondary-inactive. Slot number of the spare LIM for that type of LIM. spare-slot-number Slot number of the LIM being replaced by the spare LIM. spared-slot-number Stinger® ADSL 48-Port Annex B LIM Guide...

  • Page 47: Checking Status With The Rearslot Command

    IRMs or LPM-Rs are reported as Empty by the rearslot command. Note: When a copper loop is being tested on a Stinger LS with a PSM or a CLT module, the rearslot command does not display any midplane sparing bus usage.

  • Page 48: Configuring Lim Port Redundancy

    LIM in slot 14. A subsequent failure of port 6 on an SDSL LIM in slot 4 can be backed up by port 6 on the spare SDSL LIM in slot 16. This example is illustrated for a Stinger FS chassis in Figure 2-2.

  • Page 49: Enabling Lim Port Redundancy

    Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy Figure 2-2. LIM port redundancy on a Stinger FS When a port on a LIM that is being backed up is replaced, the virtual channels for that port are terminated and set up on the spare. All other line parameters are also transferred to the spare port.

  • Page 50: Manual Lim Port Redundancy

    LIM port that was replaced. For example, suppose a Stinger FS is equipped with an ADSL LIM in slot 1 and an SDSL LIM in slot 4. Spare LIMs are located in slots 14 and 16 respectively. Port 2 fails on the ADSL LIM, and port 6 fails on the SDSL LIM.

  • Page 51: Checking The Status Of Extended Lim Port Redundancy

    [in SDSL-STAT/{ shelf-1 slot-4 6 }] spare-physical-address = { shelf-1 slot-16 6 } sparing-state = primary-inactive sparing-change-reason = manual sparing-change-time = 309108872 sparing-change-counter = 1 Parameter Indicates Shelf, slot, and port number of spare LIM. spare-physical-address Stinger® ADSL 48-Port Annex B LIM Guide 2-13...
  • Page 52 Time that the last change in redundancy state occurred. sparing-change-time Number of redundancy changes (for example, primary to sparing-change-counter secondary or secondary to primary). The counter is reset to zero each time the Stinger is turned on. 2-14 Stinger® ADSL 48-Port Annex B LIM Guide...

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