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Lucent Technologies Stinger Manual

Lucent Technologies Stinger Manual

Adsl 72-port annex a line interface module
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Stinger®
ADSL 72-Port Annex A Line Interface Module (LIM) Guide
For software version 9.4-185.3
June 2003

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  • Page 1 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide For software version 9.4-185.3 June 2003...
  • 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: Customer Service

    America for a menu of Lucent services. Or call +1 510-747-2000 for an operator. If you do not have an active services agreement or contract, you will be charged for time and materials. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 5: Table Of Contents

    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 ...............
  • Page 6 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...
  • Page 7 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...
  • Page 9 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 Stinger® ADSL 72-Port Annex A Line Interface Module (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 72 port ADSL Annex A 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.lucent.com/support and http://www.lucentdocs.com/ins: 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 13 Stinger MRT. – Module guides for each type of module designed for the Stinger FS, Stinger FS+, Stinger LS, or Stinger RT, an individual guide describes the module's features and provides instructions for configuring the module and verifying its status.

  • Page 15: Configuring An Adsl 72-Port Line Interface Module (Lim)

    Stinger FS+ and Stinger LS chassis. Installing an ADSL 72-port Annex A LIM Install the ADSL 72-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: Module Specifications

    An 8kHz reference clock is provided over the (NTR) ADSL line for any CPE with the capability to recover it. Physical connectors USOC RJ21X 50-pin telco connector. Must meet JIS C5973 standards. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 17: Interpreting Adsl 72-Port Annex A Status Lights

    All status lights illuminate briefly upon startup or restart, then remain dark until the module passes its power-on self test (POST). When the module passes the POST and becomes operational, the ACTIVE light illuminates. Stinger® ADSL 72-Port Annex A Line Interface Module (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 = "" Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 20: Line-Config Subprofile

    = 20 max-power-spectral-density = 40 line-code = auto-select line-latency-down = fast line-latency-up = fast trellis-encoding = yes gain-default = 20-db upstream-start-bin = 6 upstream-end-bin = 31 downstream-start-bin = 32 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...
  • Page 21 Enables/disables trellis encoding. Trellis encoding is specified in the DMT standard. Disabling this parameter (no) can increase performance, but at the cost of becoming noncompliant with the standard. The default is yes. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 22: Rate-Adaptive Mode Parameters

    The rate-adapt-mode-up and rate-adapt-mode-down parameters in the Line-Config subprofile specify rate-adaptive operations from the subscriber (upstream) or to the subscriber (downstream). Dynamic rate adaptation is not currently supported, so you Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...
  • Page 23 Not supported in this release. Ratio for distributing excess downstream bit rate among the fast and interleaved channels when dual latency is supported. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 24: Power-Level Parameters And Power Spectral Density (Psd)

    Bit rates approaching 12480Kbps can be achieved for loops up to 5,000 feet (1.2km to 1.5km) when using the interleaved channel. Bit rates of up to 8,000Kbps can be achieved when using the fast channel 1-10 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 25: The Fast-Path-Config Subprofile

    0Kbps through 1280Kbps. When the automatic rate-adaptive mode is in use, the line initializes at this upstream rate or fails to initialize. The default value is 128Kbps. Note Not configured for operator-controlled rate adaptation. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-11...
  • Page 26 = 16 Parameter Setting Specifies the maximum milliseconds of delay allowed in the max-delay-up upstream direction as a result of interleaving data. The valid range is 0 through 64. 1-12 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 27: Margin-Config Subprofile

    15dB. If you specify a setting greater than 15dB, the modem software uses 15dB. Figure 1-2 illustrates the relationship of margin parameters to power adjustments. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-13...

  • Page 28: Figure 1-2 Noise Margin Parameters And Power Adjustments Relationship

    ADSL G.lite LIM for additional information about setting the noise margin parameters. On many loops, the Stinger unit uses large power margins. To avoid excessive power margins, you can configure the Stinger unit with a maximum downstream noise margin value that it translates into a maximum power output value.
  • Page 29 Figure 1-3 illustrates the relationship between margins and dynamic rate adaptation. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-15...

  • Page 30: Figure 1-3 Future Noise Margins And Dynamic Rate Adaptation Relationship

    1dB through 31dB. Not currently supported. Specifies the number of seconds (1 ra-upshift-int-up through 255) the upshift noise margin can be maintained before the line increases its upstream bit rate. 1-16 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 31: Configuring Call Control

    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 32: 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. 1-18 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 33: Figure 1-4 Adsl Atm Lim Configuration

    = interleave admin> set interleave-path-config min-bitrate-up = 56 admin> set interleave-path-config max-bitrate-up = 256 admin> set interleave-path-config min-bitrate-down = 512 admin> set interleave-path-config max-bitrate-up = 1500 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-19...

  • Page 34: 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 35: Checking Status Of Adsl-Dmt Interface

    Indicates the overall state of the line. Possible values are as follows: does-not-exist—Link is not physically present on board. disabled—Line is disabled. active—Multipoint is established. spare-physical- Indicates the shelf, slot, and port number of the spare address (redundant) LIM. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-21...

  • Page 36: Checking Status Of The Physical Interface

    Indicates that each redundancy change, for example, counter primary to secondary, secondary to primary, increments the counter. The counter is reset when the Stinger starts or restarts. vpi-vci-range Indicates the valid range of VPI and VCI for the circuits established for the line.
  • Page 37 Indicates the version number of the ADSL modem firmware-ver firmware. ansi-adsl-ver Indicates the supported issue of the ANSI T1.413 standard (Issue 2). hardware-ver Indicates the hardware version of the ADSL modem. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-23...

  • Page 38: Obtaining Statistics About Operations

    = 416772 incoming-cells = 92 outgoing-cells = 100 Parameter Description line-up-timer Indicates how long the interface has been up (days, hours, and minutes in {dd hh mm} format). 1-24 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 39: Displaying Adsl-Dmt Port Status And Nailed Groups

    For example, the following command output shows the nailed-group numbers for an ADSL-DMT module in slot 4: admin> dmtal -a All ADSL lines: (dvOp dvUpSt dvRq sAdm nailg) Line 1 4 1 } Idle 00151) Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 1-25...
  • Page 40 Line 1 4 8 } Idle 00158) Line 1 4 9 } Idle 00159) Line 1 4 10 } Idle 00160) Line 1 4 11 } Idle 00161) ..1-26 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...

  • Page 41: Chapter 2 Configuring Lim And Lim Port Redundancy

    LIM with a PSM or CLT module plugged in behind or next to it. For example, a Stinger FS unit configured with 14 ADSL 24-port LIMs can be set up with the following module pairs:...

  • Page 42: 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 as shown here.
  • Page 43 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 44: Manual Lim Redundancy

    LIM are transferred to the spare (secondary) LIM. Monitoring continues on the secondary LIM. If modem errors exceed thresholds, the connections are transferred back to the primary LIM and the automatic redundancy Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...
  • Page 45 LIM specified by the spare-slot-type parameter in the lim-sparing-config profile. For example, suppose slot 16 in a Stinger FS units 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 46: Lim Redundancy With Irms And Lpm-Rs

    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 47 For example, if a Stinger unit 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 48: Checking Lim Redundancy Status

    Time that the last change in redundancy state occurred. sparing-change-counter Number of redundancy changes (for example, primary to secondary or secondary to primary). The counter is reset to zero each time the Stinger is turned on. active Valid values are yes and no. lim-status-ok Valid values are yes and no.

  • Page 49: 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 unit with a PSM or a CLT module, the rearslot command does not display any midplane sparing bus usage.

  • Page 50: Figure 2-2 Lim Port Redundancy On A Stinger Fs Unit

    6 on the spare SDSL LIM in slot 16. This example is illustrated for a Stinger FS chassis in Figure 2-2. A Stinger LS chassis has its LPMs and PSMs or CLT modules next to its LIMs rather than behind them.

  • Page 51: Enabling Lim Port Redundancy

    LIM port that was replaced. For example, suppose a Stinger FS unit 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 52: Automatic Lim Port Redundancy

    The line status profile for a particular LIM shows port redundancy status for the selected port, and information about a spare LIM if one exists. The LIM line status profiles have five parameters to indicate the port redundancy status. 2-12 Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide...
  • Page 53 Number of redundancy changes (for example, primary to secondary or secondary to primary). The counter is reset to zero each time the Stinger unit is turned on. Stinger® ADSL 72-Port Annex A Line Interface Module (LIM) Guide 2-13...

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