Lucent Technologies Stinger STGR-LIM-AP-72 Module Manual
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Lucent Technologies Stinger STGR-LIM-AP-72 Module Manual

Adsl and adsl2+ line interface modules (lims)
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Stinger
®
ADSL and ADSL2+ Line Interface Modules (LIMs)
Module Guide
Software version 9.8
363-217-018R9.8
Issue 1
August 2005

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Summary of Contents for Lucent Technologies Stinger STGR-LIM-AP-72

  • Page 1 Stinger ® ADSL and ADSL2+ Line Interface Modules (LIMs) Module Guide Software version 9.8 363-217-018R9.8 Issue 1 August 2005...
  • Page 2 In rare instances, unauthorized individuals make connections to the telecommunications network through the use of access features. Trademarks Lucent, the Lucent logo, and all Lucent brand and product names are trademarks or registered trademarks of Lucent Technologies Inc. Other brand and product names are trademarks of their respective holders.

  • Page 3: Table Of Contents

    Contents About This Information Product Purpose ................................ ix Intended audience ............................ix Supported platforms ............................ ix How to use this information product ......................ix Safety information ............................ix Related information ............................x Information product support ........................xi Technical support ............................xi How to order ..............................
  • Page 4 Contents Parameters that affect line speed ......................2-10 Power-level parameters ..........................2-11 Configuring an ADSL Annex A LIM Bit-rate, interleave, and delay considerations ................... 3-2 Interleave-path-config bit-rate parameters ....................3-3 Rate-adaptive mode parameters ........................ 3-5 Rate adaption ............................. 3-6 The interleave-path-config delay parameters .................... 3-7 The fast-path-config bit rate parameters ....................
  • Page 5 Contents Built in self testing (BIST) ........................6-20 Index .................................................... 363-217-018R9.8 Issue 1, August 2005...
  • Page 6 Contents .................................................... 363-217-018R9.8 Issue 1, August 2005...
  • Page 7 List of Figures Stinger LIM faceplates ......................... 1-4 Legacy ADSL 72-port LIM status lights ................... 1-12 Enhanced processor or high speed LIM ..................1-13 72-port enhanced processor LIM with integrated line protection ..........1-14 50-pin connector ......................... 1-15 Noise margins and dynamic rate adaptation relationship ............3-13 Noise margin parameters and power adjustments relationship ..........
  • Page 8 List of Figures .................................................... v i i i 363-217-018R9.8 Issue 1, August 2005...

  • Page 9: About This Information Product

    About This Information Product Purpose The purpose of this information product is to provide product hardware and configuration information for Stinger LIMs that use ADSL, ADSL2+ and related line protocols. Intended audience This document is for individuals who install, maintain, or configure Stinger units with ADSL or ADSL2+ LIMs.

  • Page 10: Related Information

    About This Information Product Related information The Stinger documentation set consists of the following manuals, which can be found at http://www.lucent.com/support. Read me first: Edge Access and Broadband Access Safety and Compliance Guide. Contains • important safety instructions and country-specific information that you must read before installing a Stinger unit.

  • Page 11: Information Product Support

    Technical Assistance Center menu at http://www.lucent.com/contact/. How to order To order Lucent Technologies information products, use the following websites or the email, phone, and fax contacts linked from “Contact Us” on those sites: Documentation: http://www.lucentdocs.com Training: https://training.lucent.com/...
  • Page 12 About This Information Product .................................................... x i i 363-217-018R9.8 Issue 1, July 2005...
  • Page 13 ADSL LIM Hardware Overview .................................................... Purpose This chapter lists and describes the Stinger line interface modules (LIMs) that support ADSL subscriber connections and the ADSL protocols supported by these LIMs Contents This chapter describes ADSL LIM hardware information for these topics. ADSL Protocol support ADSL LIM types ADSL LIM products and capabilities...

  • Page 14: Adsl Lim Hardware Adsl Protocol Support

    ADSL LIM Hardware ADSL Protocol support ADSL Protocol support .................................................... Introduction Legacy Stinger ADSL Annex A LIMs, designed before the standardization and implementation of ADSL2+ standards, do not have the capability to support ADSL2+. LIMs that have been designed since that time support ADSL2+ features, depending on the version of TAOS software that is installed.

  • Page 15: Adsl Lim Types

    ADSL LIM Hardware ADSL LIM types ADSL LIM types .................................................... Introduction As ADSL standards and hardware capabilities have changed, four types of Stinger ADSL LIMs, in two broad categories, have been produced. LIM faceplates have changed and some LIMs now have integrated line protection. Legacy ADSL LIMs Legacy ADSL LIMs were the first family of ADSL LIMs produced.

  • Page 16: Stinger Lim Faceplates

    ADSL LIM Hardware ADSL LIM types Figure 1-1 Stinger LIM faceplates PORT 25-48 25-48 PORT 49-72 49-72 PORT 1-24 1-24 72-port LIM with 72-port enhanced 72-port legacy LIM integrated protection processor LIM .................................................... 1 - 4 363-217-018R9.8 Issue 1, August 2005...

  • Page 17: Adsl Lim Products And Capabilities

    ADSL LIM Hardware ADSL LIM products and capabilities ADSL LIM products and capabilities .................................................... Introduction You cannot fully utilize the capabilities of an ADSL or ADSL2+ LIM unless it is installed in a chassis that supports it, and the proper version of the TAOS software is installed on that chassis.
  • Page 18 ADSL LIM Hardware ADSL LIM products and capabilities Initial Ports TAOS ADSL Compatible Stinger LIM Product Codes Support support card Chassis STGR-LIM-A2P-48- 9.7.2 ADSL2+ Stinger FS, Stinger LS, Stinger MS+, and Stinger RT chassis (High bandwidth) STGR-LIM-A2P-72- 9.7.2 ADSL2+ Stinger FS/FS+, Stinger LS, and Stinger MS+ chassis (High bandwidth) With TAOS release 9.7.2,...

  • Page 19: Installing An Adsl Or Adsl2+ Lim

    ADSL LIM Hardware Installing an ADSL or ADSL2+ LIM Installing an ADSL or ADSL2+ LIM .................................................... Purpose This procedure describes how you install a LIM in a Stinger unit. ESD Grounding All Stinger chassis have at least one ESD grounding jack. Before installing or removing a LIM, put on an antistatic wrist strap and plug it into an ESD grounding jack on the unit.
  • Page 20 ADSL LIM Hardware Installing an ADSL or ADSL2+ LIM ................................... WARNING Keep the connector on the LIM being inserted away from components on adjacent LIMs. Do not force the card............................................Once the card has engaged its bus connector, press firmly to be sure it is fully seated. Depress both ejectors simultaneously.

  • Page 21: Module Specifications

    ADSL LIM Hardware Module specifications Module specifications .................................................... Physical dimensions Height: 15 inches (38.1cm). Width: 1.06 inches (2.69cm). Depth: 9 inches (22.8cm). Power (maximum) STGR-LIM-AP-72: 110W STGR-LIM-A2P-72: 115W STGR-LIPM-A2P-72: 115W STGR-LIM-A2P-72-HB: 115W STGRRT-LIM-AP-72: 110W STGR-LIM-AP-48: 76W STGR-LIM-A2P-48-HB: 82W STGRRT-LIM-AP-48: 76W STGR-LIM-AD-48: 135W STGR-LIM-AD-72: 130W STGRRT-LIM-AD-72: 130W...
  • Page 22 ADSL LIM Hardware Module specifications Weight 5 pounds (2.3Kg) Electromagnetic compliance FCC Part 15 Class A EN 55022 Class A AS/NZS 3548 Class A VCCI Class A EN 300386-2 ICES-003 Certification Bellcore GR-63-CORE (NEBS Level 1-3) Bellcore GR-1089-CORE EN / IEC 60950 ADSL interface standards ANSI T1.413-1998 (full-rate) ITU-T G.992.1 (G.dmt)

  • Page 23: Interpreting Lim Status Lights

    ADSL LIM Hardware Interpreting LIM status lights Interpreting LIM status lights .................................................... Introduction Legacy ADSL LIMs have module and port status lights on the face plate and do not have any connectors. Connectors for physical line connections are on an associated line protection module (LPM).

  • Page 24: Legacy Adsl 72-Port Lim Status Lights

    ADSL LIM Hardware Interpreting LIM status lights Legacy LIM status lights Figure 1-2 Legacy ADSL 72-port LIM status lights Light Color Indication ACTIVE Green The module or port is fully operational and no errors have been detected. FAULT Orange The module failed to pass its POST. STBY Orange The module is a designated spare.

  • Page 25: Enhanced Processor Or High Speed Lim

    ADSL LIM Hardware Interpreting LIM status lights Light Color Indication PORT Green The local and remote ends of the physical line (One for have achieved frame synchronization, and the each port) local end of the ATM link has achieved cell delineation.

  • Page 26: Lim Connectors

    ADSL LIM Hardware LIM connectors LIM connectors .................................................... Introduction Only LIMs with integrated line protection have connectors on their face plate. All other LIMs require an associated line protection module (LPM) for connections to line facilities. LIM faceplate connectors A 72-port LIM with integrated line protection has three 50-pin connectors on its face place, as shown in Figure 1-4.

  • Page 27: Lim Signal And Pin Assignments

    ADSL LIM Hardware LIM signal and pin assignments LIM signal and pin assignments .................................................... Introduction Only LIMs with integrated line protection have connectors on their face plate. The following information describes those connectors. Connector pin orientation Figure 1-5 50-pin connector Connections to the 72-port LIM with integrated line protection The 72-port LIM with integrated line protection has three 50-pin connectors on the face plate.
  • Page 28 ADSL LIM Hardware LIM signal and pin assignments Signal Color code Signal Color code Line 7 ring Orange/red Line 7 tip Red/orange Line 8 ring Green/red Line 8 tip Red/green Line 9 ring Brown/red Line 9 tip Red/brown Line 10 ring Slate/red Line 10 tip Red/slate...
  • Page 29 ADSL LIM Hardware LIM signal and pin assignments Signal Color code Signal Color code Port 31 ring Orange/red Port 31 tip Red/orange Port 32 ring Green/red Port 32 tip Red/green Port 33 ring Brown/red Port 33 tip Red/brown Port 34 ring Slate/red Port 34 tip Red/slate...
  • Page 30 ADSL LIM Hardware LIM signal and pin assignments Signal Color code Signal Color code Port 55 ring Orange/red Port 55 tip Red/orange Port 56 ring Green/red Port 56 tip Red/green Port 57 ring Brown/red Port 57 tip Red/brown Port 58 ring Slate/red Port 58 tip Red/slate...

  • Page 31: Interface Profile And Power Parameters

    Interface profile and power parameters Overview .................................................... Purpose This chapter describes protocols supported by ADSL and ADSL2+ LIMs, and parameters used to set interface power. Adaptive configuration of rates, interleave, and delay is covered separately. Contents This chapter describes configuration information for these topics. ADSL and ADSL2+ LIM protocols ADSL-DMT interfaces The AL-DMT profile...

  • Page 32: Adsl And Adsl2+ Lim Protocols

    Interface profile and power parameters ADSL and ADSL2+ LIM protocols ADSL and ADSL2+ LIM protocols .................................................... All LIMs All ADSL LIMs provide standard support for the following protocol standards: ANSI T1.413 • ITU-T G.992.1 Annex A (G.dmt) • ITU-T G.992.2 (G.lite) •...

  • Page 33: Adsl-Dmt Interfaces

    Interface profile and power parameters ADSL-DMT interfaces ADSL-DMT interfaces .................................................... Overview The TAOS software creates an profile for each ADSL-DMT interface in a al -d m t Stinger unit. One profile is created for each interface supported by the LIM in a specific slot.

  • Page 34: The Al-Dmt Profile

    Interface profile and power parameters The AL-DMT profile The AL-DMT profile .................................................... Introduction profiles, you set parameters to specify the data rate, signal quality and power, a l -d mt and interleaving delay of the interface. The Stinger unit references these parameters in the training process.
  • Page 35 Interface profile and power parameters The AL-DMT profile Parameter descriptions Parameter Setting na m e Specifies the name of the interface. The default value is the interface address in format (for example, s h el f: s lo t: p or t 1: 2 :3 ), but you can assign a text string of up to 16 characters.

  • Page 36: Line-Config Subprofile Parameters

    Interface profile and power parameters line-config subprofile parameters line-config subprofile parameters .................................................... Introduction subprofile parameters, described below, activate and configure an li ne - co n fi g ADSL-DMT line. The rate-adaptive and power parameters are described separately. Default settings [in AL-DMT/{ any-shelf any-slot 0 }:line-config] trunk-group = 0 nailed-group = 1...
  • Page 37 Interface profile and power parameters line-config subprofile parameters Parameter Setting nailed-group Specifies the nailed-group number for the ADSL-DMT physical interface. A c on ne c ti on or RADIUS profile uses this number to specify the interface. Because each interface is assigned a unique default number, you do not need to modify the value of this parameter.
  • Page 38 Interface profile and power parameters line-config subprofile parameters Parameter Setting line-latency-down Specifies the latency path to be used for downstream data transport. Valid values are: —Set the latency path to . This is the in te r le av e i n te rl e av e default for the G.lite protocol.
  • Page 39 Interface profile and power parameters line-config subprofile parameters Parameter Setting fbm-dbm-mode This parameter is only valid with the Annex C LIM. alcatel-us-413- Not used. boost psd-mask-down This parameter is only applicable when the line trains to adsl2re. The following masks are currently supported: flat m1 (the default) For optimum inter operability results, the psd mask should be set to...

  • Page 40: Parameters That Affect Line Speed

    Interface profile and power parameters Parameters that affect line speed Parameters that affect line speed .................................................... Protocol selection The LIM will automatically detect and configure itself with the correct standard ADSL parameter in the line-config subprofile is set to auto- protocol if the l i ne - co de select.

  • Page 41: Power-Level Parameters

    Interface profile and power parameters Power-level parameters Power-level parameters .................................................... Maximum power level definition Maximum aggregate power level is the maximum output power allowed on the line at the transmitter output. This value is expressed in decibels with reference to one milliwatt (dBm), where zero dBm equals 1 milliwatt.
  • Page 42 Interface profile and power parameters Power-level parameters .................................................... 2 - 1 2 363-217-018R9.8 Issue 1, August 2005...

  • Page 43: Configuring An Adsl Annex Alim

    Configuring an ADSL Annex A Overview .................................................... Purpose This chapter describes the parameter and profiles used to configure the bit-rate, interleave, and delay of the interfaces of an ADSL or ADSL2+ LIM. Adaptive operation is also described. Contents This chapter describes configuration information for these topics. Bit-rate, interleave, and delay considerations Interleave-path-config bit-rate parameters Rate-adaptive mode parameters...

  • Page 44: Bit-Rate, Interleave, And Delay Considerations

    Configuring an ADSL Annex A LIM Bit-rate, interleave, and delay considerations Bit-rate, interleave, and delay considerations .................................................... Bit-rate parameters Bit-rate parameters specify minimum, maximum, and planned upstream and downstream bit rates for a rate-adaptive connection. Attainable bit rates Bit rates depend on the physical interface (the line to which the central office equipment (COE) and customer premises equipment (CPE) are connected) and the ADSL interleaved or fast channel.

  • Page 45: Interleave-Path-Config Bit-Rate Parameters

    Configuring an ADSL Annex A LIM Interleave-path-config bit-rate parameters Interleave-path-config bit-rate parameters .................................................... Introduction The configuration of the subprofile, bit-rate parameter in t er le a ve -p a th - co nf i g settings controls the use of the interleave path channel for both upstream and downstream traffic.
  • Page 46 Configuring an ADSL Annex A LIM Interleave-path-config bit-rate parameters Parameter Setting ma x -b i tr at e -d ow n Specifies the maximum bit rate for downstream traffic. The valid settings are: 0Kbps through 18016Kbps 0Kbps through 24544Kbps The default value is 8000Kbps. Not valid for the rate adaptation setting of Important! operator-controlled.

  • Page 47: Rate-Adaptive Mode Parameters

    Configuring an ADSL Annex A LIM Rate-adaptive mode parameters Rate-adaptive mode parameters .................................................... Introduction parameters in the Line-Config subprofile specify rate- r at e- a da pt - mo d e- up adaptive operations to and from the subscriber (downstream and upstream). Default settings The following parameters in the subprofile, shown with default values,...

  • Page 48: Rate Adaption

    Configuring an ADSL Annex A LIM Rate adaption Rate adaption .................................................... Introduction Rate adaptation is only supported when the line is trained for ADSL2 or ADSL2+. If you are using a legacy ADSL LIM, or will not be using the ADSL2+ capability of an ADSL2+ LIM, you must choose between the values, (the default) and a ut o ma ti c -a t -s ta r tu p...

  • Page 49: The Interleave-Path-Config Delay Parameters

    Configuring an ADSL Annex A LIM The interleave-path-config delay parameters The interleave-path-config delay parameters .................................................... Introduction Data interleaving increases the ability of the system to tolerate noise on the line. However, it also increases the latency (delay) of the data traffic. Default settings Following are the Interleave-Path-Config subprofile parameters shown with default values for specifying the maximum tolerable delay for interleaver/deinterleaver operations:...
  • Page 50 Configuring an ADSL Annex A LIM The interleave-path-config delay parameters Parameter Setting mi n -i n p- do w n Specifies the minimum number of down stream DMT smybols with impulse noise errors that can be corrected. Settings for greater correction also result in greater delay and lower data rates.

  • Page 51: The Fast-Path-Config Bit Rate Parameters

    Configuring an ADSL Annex A LIM The fast-path-config bit rate parameters The fast-path-config bit rate parameters .................................................... Introduction The following configuration shows the default settings for the fa st - pa th - co n fi g subprofile. Default settings [in AL-DMT/{ any-shelf any-slot 0 }:fast-path-config] min-bitrate-up = 128 min-bitrate-down = 128...

  • Page 52: Margin-Config Subprofile

    Configuring an ADSL Annex A LIM margin-config subprofile margin-config subprofile .................................................... Introduction The noise margins can be controlled to ensure that the line meets or stays within the noise limits required by DMT standards. Parameter groups The margin-config subprofile contains two groups of parameters that determine the following: Parameters that set the noise margin •...
  • Page 53 Configuring an ADSL Annex A LIM margin-config subprofile Parameter Setting t ar g et -n o is e- ma r gi n- Specifies the downstream noise margin, relative to do wn 0dB, that must be present before the line can initialize successfully and rate adapt during normal operations.
  • Page 54 Configuring an ADSL Annex A LIM margin-config subprofile ra-downshift-int-down = 60 ra-downshift-int-up = 60 Rate adaptive parameter descriptions Parameter Setting ra - up s hi ft - ma rg i n- d ow n Specifies a downstream noise margin relative to 0dB. If the downstream noise margin remains above this value for more than the specified time interval in ra- downshift-int-down, the line bit rate will attempt...

  • Page 55: Dynamic Rate-Adaptive Noise Margin

    Configuring an ADSL Annex A LIM Dynamic rate-adaptive noise margin Dynamic rate-adaptive noise margin .................................................... Limitation This capability is only available when the line is trained to ADSL2 or ADSL2+. Behavior When dynamic rate adaptation is in use, the downstream line adjusts its bit rate dynamically (it upshifts to increase its bit rate or downshifts to reduce it) on the basis of specified noise margins and intervals for which a noise level is maintained, provided that the maximum or minimum bit rate has not been reached.

  • Page 56: Noise Margin Operation

    Configuring an ADSL Annex A LIM Noise margin operation Noise margin operation .................................................... Introduction The line tolerates a certain level of random frequency voltage (noise) with respect to its received signal. Noise margins are defined in decibels (dB). A BER of 10 represents 0dB.
  • Page 57 Configuring an ADSL Annex A LIM Noise margin operation Example setting The following sample configuration enables margin management on an ADSL2+ LIM and sets the maximum power margin value to 10: [in AL-DMT/{ shelf-1 slot-2 1 }:margin-config] s et ma x- a dd -n o is e -m ar g in -d o wn = 10 s et ma x- m ar gi n -e n ab le d = y e s Setting limitation You cannot set a value for the...

  • Page 58: Configuring Call Control

    Configuring an ADSL Annex A LIM Configuring call control Configuring call control .................................................... Introduction The call control mechanism enables the Stinger unit to establish and maintain connections, including soft PVCs (SPVCs), across port state changes. This allows xDSL subscribers to establish connections on LIM interfaces in the operating states before the interfaces are fully trained, as well as in the standard state (in which the modem has...
  • Page 59 Configuring an ADSL Annex A LIM Configuring call control Ignore-lineup parameter details Parameter Setting ig n or e- l in e up In the System profile, enables or disables the Stinger system’s ability to ignore line status when determining whether calls are established or not.
  • Page 60 Configuring an ADSL Annex A LIM Configuring call control .................................................... 3 - 1 8 363-217-018R9.8 Issue 1, August 2005...
  • Page 61 Configuration Examples Overview .................................................... Purpose This chapter provides examples that can be used as general guides for initial configuration of an ADSL-DMT interface. Contents This chapter describes configuration information for these topics. Examples for configuration of legacy ADSL Examples for configuration of ADSL2+ line codes ....................................................

  • Page 62: Configuration Examples

    Configuration Examples Examples for configuration of legacy ADSL Examples for configuration of legacy ADSL .................................................... Introduction The following examples illustrate settings that commonly work well for legacy ADSL protocols. You should modify the specific settings shown here to meet local requirements. Planned bit rate with protocol detection The following commands configure the interface to automatically detect and use the correct legacy ADSL protocol with a constant, planned (operator-controlled) bit rate of...
  • Page 63 Configuration Examples Examples for configuration of legacy ADSL Reserving a VPI The following commands reserve VPI 7 for VP switching on the interface: r ea d a l- d mt { 1 3 4 } s et li ne - co nf i g v p- sw i tc hi n g- v pi = 7 w ri t e ....................................................

  • Page 64: Examples For Configuration Of Adsl2+ Line Codes

    Configuration Examples Examples for configuration of ADSL2+ line codes Examples for configuration of ADSL2+ line codes .................................................... Introduction The following three examples illustrate line code options that are available with ADSL2+ LIMs to support line rates that are higher than legacy ADSL rates. Configuration for ADSL2 subprofile to adsl2 will configure an al-dmt port Setting the...
  • Page 65 Configuration Examples Examples for configuration of ADSL2+ line codes Configuration for ADSL2+ Setting the in the subprofile to will configure an al-dmt line-code line-config adsl2plus port to attempt to use the ADSL2+ protocol (ITU-T G.992.5). The line will attempt to use this protocol and will not train if it is unsuccessful.
  • Page 66 Configuration Examples Examples for configuration of ADSL2+ line codes .................................................... 4 - 6 363-217-018R9.8 Issue 1, August 2005...

  • Page 67: Checking Interface Status

    Checking interface status Overview .................................................... Purpose This chapter provides information and examples for checking the status of an ADSL- DMT interface. Contents This chapter describes configuration information for these topics. Checking overall status of ADSL-DMT interface Checking status of the physical interface Obtaining statistics about operations Displaying ADSL-DMT port status and nailed groups ....................................................

  • Page 68: Checking Overall Status Of Adsl-Dmt Interface

    Checking interface status Checking overall status of ADSL-DMT interface Checking overall status of ADSL-DMT interface .................................................... Introduction The system creates a read-only profile for each ADSL-DMT interface. al -d m t- st a t The profiles provide statistics and connection status. Following are the relevant parameters, shown with sample settings for an active line: AL-DMT-STAT example [i n A L -D MT - ST AT / { s he lf - 1 sl o t- 3 4 } ]...
  • Page 69 Checking interface status Checking overall status of ADSL-DMT interface Parameter Setting s pa r in g- c ha ng e - Indicates how redundancy is activated. Valid values are r ea s on i na c ti v e ma n ua l a u to ma t ic s pa r in g- c ha ng e - Indicates the time that the last change in redundancy state...

  • Page 70: Checking Status Of The Physical Interface

    Checking interface status Checking status of the physical interface Checking status of the physical interface .................................................... Introduction subprofile provides information about the physical interface. ph ys i ca l -s ta t us Bit-error-rate-test results The interface runs a continuous bit-error-rate test (BERT) over its unused bandwidth, so bit-error counts are always available without explicitly running a BERT and disrupting data transmission.
  • Page 71 Checking interface status Checking status of the physical interface Parameter Setting de v -l in e -s t at e Indicates the current state of the interface. Valid values are as follows: —Either there is no connection or the interface is disabled. d o wn a c ti va t io n —Interface is trying to train but not detecting a...
  • Page 72 Checking interface status Checking status of the physical interface Parameter Setting h a rd w ar e- v er Indicates the hardware version of the ADSL modem. m o de m -h w- S ta te Indicates the state of the interface after initialization. Valid values are (all is well), i ni t -o k...

  • Page 73: Obtaining Statistics About Operations

    Checking interface status Obtaining statistics about operations Obtaining statistics about operations .................................................... Introduction subprofile enables you to check interface operations. p hy si c al -s t at i st ic Physical-statistic profile example Following are the parameters shown with sample settings for p h ys ic a l- s ta ti s ti c an active interface: [ in AL -D M T- ST A T/ { s he l f- 1 s lo t -3 4 }: ph y si c al -s t at is t ic ]...
  • Page 74 Checking interface status Obtaining statistics about operations Parameter Description s e lf - te st Indicates whether the port has passed the modem chipset self- test. n o is e -m ar g in -d o wn Indicates current downstream noise margin in dB. a t te n ua ti o n- do w n Indicates current downstream attenuation in dB.

  • Page 75: Displaying Adsl-Dmt Port Status And Nailed Groups

    Checking interface status Displaying ADSL-DMT port status and nailed groups Displaying ADSL-DMT port status and nailed groups .................................................... Introduction command is used display the nailed-group numbers for ADSL-DMT lines. d mt al Example dmtal listing The following command output shows the nailed-group numbers for an ADSL- d m ta l DMT module in slot 4: d mt a l -a...
  • Page 76 Checking interface status Displaying ADSL-DMT port status and nailed groups .................................................... 5 - 1 0 363-217-018R9.8 Issue 1, August 2005...

  • Page 77: Line Testing

    Line testing Overview .................................................... Purpose This chapter describes how single end line testing (SELT) and dual end line testing (DELT) are used on Stinger ADSL2+ LIMs. Contents This chapter describes SELT and DELT information for these topics. SELT and DELT support requirements SELT and DELT uses SELT and DELT procedures SELT and DELT caveats...

  • Page 78: Selt And Delt Support Requirements

    Line testing SELT and DELT support requirements SELT and DELT support requirements .................................................... Introduction SELT and DELT are subscriber loop tests used for fault detection and loop characterization. TAOS software TAOS release 9.7.2 or later contains support for SELT and DELT. Earlier releases of TAOS do not support SELT or DELT.

  • Page 79: Selt And Delt Uses

    Line testing SELT and DELT uses SELT and DELT uses .................................................... Introduction SELT and DELT are both used to analyze conditions on the subscriber loop. Primary SELT use SELT is primarily used to estimate the length of the subscriber loop. This is done by sending an electrical impulse down the line then measuring the echo delay, which is directly proportional to loop length.

  • Page 80: Selt And Delt Procedures

    Line testing SELT and DELT procedures SELT and DELT procedures .................................................... Overview Use the following steps to perform a successful SELT or DELT operation: 1. Identify and disable the port being tested using standard Stinger notation of shelf number, slot number, port number. 2.

  • Page 81: Selt And Delt Caveats

    Line testing SELT and DELT caveats SELT and DELT caveats .................................................... Concurrent Operations Only one SELT or DELT running per slot can be running at a time. When you launch SELT or DELT on a slot that already has an active SELT or DELT (either a test in progress or a test has completed, with pending TFTP transfer), the se l t- parameter reports...
  • Page 82 Line testing SELT and DELT caveats Log messages The system generates info-level and error-level log messages for start, stop and error events..................................................... 6 - 6 363-217-018R9.8 Issue 1, August 2005...

  • Page 83: Using Profile Parameters For Selt And Delt

    Line testing Using profile parameters for SELT and DELT Using profile parameters for SELT and DELT .................................................... Overview You can launch SELT, DELT, or TFTP transfer using the s el t- d el t -e na b le parameter in the profile.
  • Page 84 Line testing Using profile parameters for SELT and DELT Parameter Specifies li n e- d ia g: Initiate SELT, DELT, TFTP file transfer, or clear the TFTP se l t- d el t- e na bl e timer. After you set the parameter s e lt -d e lt -e n ab l e and save the...
  • Page 85 Line testing Using profile parameters for SELT and DELT Parameter Specifies l in e -d ia g -s ta t : Status of a SELT, DELT, TFTP, or clear timer operation. s el t -d el t - This parameter is updated only if a SELT, DELT, TFTP, or o pe r at io n -s ta t e clear timer operation is initiated on this port.
  • Page 86 Line testing Using profile parameters for SELT and DELT Parameter Specifies se l t- d el t- p ar am s : Name of the destination file on the host to which data re s ul t s- fi l en am e results will be saved.

  • Page 87: Using The Seltcmd Command

    Line testing Using the seltcmd command Using the seltcmd command .................................................... Overview command can be used from the command line, or from an application seltcmd utilizing SNMP to conduct SELT tests. Command syntax To launch SELT, use the following syntax: s el t cm d s he lf sl o t po r t To TFTP test results for analysis, use the following syntax: s el t cm d - t [- p t f tp -p o rt ] h os t s he l f sl o t p or t [ re mo t e- f il e]...
  • Page 88 Line testing Using the seltcmd command Example transfer of results After test completion, and re-enabling the port, the following command transfers the results from the previous test via TFTP, to a host with an IP address of 135.17.134.96: se l tc m d -t 13 5. 1 7. 1 34 .9 6 1 1 3 1 2 SE L T d at a t ra ns f er : s en d in g s el t -1 -1 3 -1 2 t o 1 35 .1 7 .1 34 .

  • Page 89: Using The Deltcmd Command

    Line testing Using the deltcmd command Using the deltcmd command .................................................... Overview command can be used from the command line, or from an application deltcmd utilizing SNMP to conduct DELT tests. Command syntax To launch DELT using the deltcmd command, use the following syntax: d el t cm d s he lf sl o t po r t To TFTP results for analysis, use the following syntax: d el t cm d - t [- p t f tp -p o rt ] h os t s he l f sl o t p or t [ re mo t e- f il e]...
  • Page 90 Line testing Using the deltcmd command Example transfer of results After re-enabling the port, the commands shown in the following example transfer the results from the previous test, via TFTP, to a host with an IP address of 135.17.134.96. de l tc m d -t 13 5. 1 7. 1 34 .9 6 1 1 3 2 DE L T d at a t ra ns f er : s en d in g s el t -1 -1 3 -2 t o 1 3 5.

  • Page 91: Test Results

    Line testing Test results Test results .................................................... Transfer overview After a successful SELT or DELT, the systems caches the results data in RAM. You must then transfer you must transfer the test results to a TFTP server for analysis. This transfer is possible only if the parameter reports s e lt -d e lt - op er a ti on - st a te...

  • Page 92: Seltcmd And Deltcmd Considerations

    Line testing seltcmd and deltcmd considerations seltcmd and deltcmd considerations .................................................... Overview Profile settings are the primary means for conducting SELT and DELT tests from the command line. When choosing the commands as a secondary s e lt cm d d e lt cm d method for launching SELT or DELT manually, you can consider several items.

  • Page 93: Error Conditions Related To Selt And Delt

    Line testing Error conditions related to SELT and DELT Error conditions related to SELT and DELT .................................................... Error conditions during testing The system generates error messages when you attempt to initiate a SELT or DELT operation under one of the following conditions: The port is disabled.

  • Page 94: Test Data Analysis

    Line testing Test data analysis Test data analysis .................................................... Introduction The raw data from a completed SELT or DELT operation is transferred to an analysis engine on an external host for analysis. SELT analysis requirements The analysis engine must be provided with the following information to process raw SELT data: Cable type (DLS90, DLS400, Real Loop) •...
  • Page 95 Line testing Test data analysis The signal-to-noise ratio per sub-carrier SNR(f)—ratio of received signal power and • received noise power per sub-carrier or bin. This information provides a view of the capacity of the channel. Maximum attainable data rate—possible maximum rate that the DELT algorithm has •...

  • Page 96: Built In Self Testing (Bist)

    Line testing Built in self testing (BIST) Built in self testing (BIST) .................................................... Introduction Beginning with TAOS release 9.7.0 support is provided for built-in port testing on ADSL Annex-A LIMs with ADSL2+ capability. You can run this test using the command-line interface or SNMP.
  • Page 97 Line testing Built in self testing (BIST) BIST status and result parameter details Parameter Specifies bi s t- op e ra t io n- s ta te Status of the built-in self test. Possible values are: active—BIST operation is active •...
  • Page 98 Line testing Built in self testing (BIST) .................................................... 6 - 2 2 363-217-018R9.8 Issue 1, August 2005...
  • Page 99 Index ............................................... ADSL call control 3-16 humidity, operating protocols, ADSL2+ related certifications 1-10 ................chassis support installation protocols, legacy configuration interleave-path-config AL-DMT ADSL2 example parameters BERT ADSL2+ example configuration overview ................legacy ADSL examples interface status READSL2 example interleave-path-config installation ................
  • Page 100 Index power usage product codes protocols ADSL2+ related all LIMs legacy ADSL ................rate-adaptive mode auotmatic description 3-13 operator-controlled parameters 3-12 ................SELT error conditions 6-17 example test 6-10 6-11 TAOS parameters TAOS seltcmd 6-11 TAOS support test analysis 6-18 test initiation test results 6-15...

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