Lucent Technologies Stinger STGR-LIM-AC-48 Manual
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Lucent Technologies Stinger STGR-LIM-AC-48 Manual

Lucent Technologies Stinger STGR-LIM-AC-48 Manual

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

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Summary of Contents for Lucent Technologies Stinger STGR-LIM-AC-48

  • Page 1 Stinger® ADSL 48-Port Annex C Line Interface Module (LIM) Guide For software version 9.2-167 December 2001...
  • 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

    Customer Service Product and service information, and software upgrades, are available 24 hours a day. Technical assistance options accommodate varying levels of urgency. Finding information and software To obtain software upgrades, release notes, and addenda for this product, log in to Lucent OnLine Customer Support at http://www.lucent.com/support.

  • Page 5: Table Of Contents

    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 48-Port Annex C Line Interface Module (LIM) ............1-1 Installing an ADSL 48-port Annex C LIM ................
  • Page 6 Contents Checking the status of extended LIM port redundancy ..........2-13 Stinger® ADSL 48-Port Annex C LIM Guide...
  • Page 7 Figures Figure 1-1 ADSL 48-port Annex C LIM ............... 1-2 Figure 1-2 Relationship between noise margin parameters and power adjustments..1-12 Figure 1-3 Future support: How noise margins relate to dynamic rate adaptation ..1-14 Figure 2-1 LIM redundancy in a Stinger FS ..............2-2 Figure 2-2 LIM port redundancy on a Stinger FS ............
  • Page 9 Tables Table 1-1 ADSL 48-port Annex C LIM status light ............. 1-3 Table 1-2 Supported ADSL mode, bitmap, and latency combinations......1-4 Stinger® ADSL 48-Port Annex C 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 48-port ADSL Annex C line interface module (LIM) and includes configuration examples and module specifications. This guide also describes how to configure LIM redundancy. Warning: Before installing your Stinger unit, be sure to read the safety instructions in the Edge Access Safety and Compliance Guide.

  • Page 12: Stinger Documentation Set

    About This Guide Stinger documentation set Convention Meaning Square brackets indicate an optional argument you might add to a command. To include such an argument, type only the information inside the brackets. Do not type the brackets unless they appear in boldface.
  • 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 C Line Interface Module (Lim)

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Installing an ADSL 48-port Annex C LIM ........1-1 Module specifications .

  • Page 16: Interpreting Adsl 48-Port Annex C Lim Status Lights

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Interpreting ADSL 48-port Annex C LIM status lights Temperature range LT version: 32°F to 131°F (0°C to 55°C). Relative humidity 10% to 90% (noncondensing). Physical connectors USOC RJ21X 50-pin telephone industry standard connector. Must meet JIS C5973 standards.

  • Page 17: Configuring Adsl Annex C Interfaces

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces 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.

  • Page 18: Overview Of Al-Dmt Profile

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces Overview of AL-DMT profile Each direction of traffic (upstream and downstream) on an Annex C ADSL line can have a different minimum and maximum bit rate. The maximum bit rate depends upon the ADSL mode, bitmap, and latency options that are selected.

  • Page 19: Al-Dmt Parameters

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces AL-DMT parameters Following are descriptions of AL-DMT parameters. Its subprofiles are described in the following sections. Parameter Description Name Specifies the name of the interface. The default value is the interface address in shelf : slot : port format (for example, 1:2:3 ), but you can assign a text string of up to 16 characters.
  • Page 20 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces downstream-start-bin = 32 downstream-end-bin = 255 loop-back = none bit-swapping = no fbm-dbm-mode = fbm alcatel-us-413-boost = unknown Parameter Description Nailed-Group Specifies the nailed-group number for the ADSL-DMT physical interface.
  • Page 21 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces Parameter Description Downstream-End-Bin Specifies the ending frequency bin for downstream transmission. Valid range is 32 through 255 for 48-port Annex C LIMs. The default value is 255. Loop-Back Provides a digital or analog loop-back on the ADSL interface when set to digital or analog .
  • Page 22 (CPE). A series of adjustments of the bit-rate parameters in the AL-DMT profile might be required to obtain optimum operation of fast retrain. Consequently, Lucent Technologies recommends the use of filters on all analog telephone lines at the subscriber location.

  • Page 23: Fast And Interleaved Bit-Rate Parameters

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces Power spectral density (PSD) is the power of a signal per unit of frequency. The dimensions are those of a power divided by Hertz. In the Line-Config subprofile, the max-power-spectral-density parameter specifies the PSD allowed on the line at the transmitter output, expressed in dBm/Hz.

  • Page 24: The Interleave-Path-Config Subprofile

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces For optimum performance under most conditions when using the 48-port Annex C LIM, fast-path bit rates should be configured as shown in the following example, which shows how the bit rates are set for the first interface of a 48-port Annex C LIM in slot 2.
  • Page 25 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces Parameter Description Specifies the maximum bit rate for downstream traffic, from max-bitrate-down 0Kbps through 15,000Kbps. The default value for the ADSL 48-port Annex C LIM is 8000Kbps.

  • Page 26: Margin-Config Subprofile

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces admin> read al-dmt {1 2 1} AL-DMT/{ shelf-1 slot-2 1 } read admin> set interleave-path-config max-bitrate-up = 1280 admin> set interleave-path-config max-bitrate-down = 12480 admin> set interleave-path-config min-bitrate-up = 32 admin>...
  • Page 27 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring ADSL Annex C interfaces Parameter Description Target-Noise-Margin-Up Specifies the upstream noise margin, relative to 0dB, that must be present before the line can initialize successfully and rate adapt during normal operations. The valid range is 0dB through 31dB, with a practical limitation of 15dB set by the modem software.

  • Page 28: Configuring Call Control

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring call control Figure 1-3. Future support: How noise margins relate to dynamic rate adaptation Reduce output power Maximum additional noise margin Increase bit rate (upshift) Upshift noise margin Steady-state operations Target noise margin Steady-state operations Downshift noise margin...
  • Page 29 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Configuring call control [in DS3-ATM/{ any-shelf any-slot 0 }] ignore-lineup = system-defined Parameter Specifies In the System profile, enables or disables the Stinger system’s ability ignore-lineup to ignore line status when determining whether calls are established or not.

  • Page 30: Checking Status Of Adsl Dmt Interfaces

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Checking status of ADSL DMT interfaces Checking status of ADSL DMT interfaces The Stinger unit creates status profiles for each ADSL DMT interface in the system. The AL-DMT profiles provide information about the physical interfaces and their operational status.

  • Page 31: Checking Status Of Physical Interface

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Checking status of ADSL DMT interfaces Checking status of physical interface The Physical-Status subprofile provides read-only information about the physical interface. The interface runs a continuous bit-error-rate test (BERT) over unused bandwidth, so bit-error counts are always available without explicitly running a BERT and disrupting data transmission.

  • Page 32: Displaying Adsl Dmt Port Status And Nailed Groups

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Checking status of ADSL DMT interfaces Parameter Description Down-Stream-Rate-Interleave Indicates the downstream data rate in bps when latency is interleave. Zero means that latency is set to fast or the data rate is unknown.

  • Page 33: Obtaining Statistics About Operations

    Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Checking status of ADSL DMT interfaces 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)
  • Page 34 Configuring an ADSL 48-Port Annex C Line Interface Module (LIM) Checking status of ADSL DMT interfaces Parameter Description Up-Down-Cntr Indicates the number of times the link has transitioned from an Up state to a Down state since the module was last reset. Self-Test Indicates whether the port has passed the modem chipset self-test.

  • Page 35: Configuring Lim And Lim Port Redundancy

    Configuring LIM and LIM Port Redundancy Overview of LIM and LIM port redundancy ....... . . 2-1 Configuring LIM redundancy .

  • Page 36: Overview Of The Lim-Sparing-Config Profile

    Configuring LIM and LIM Port Redundancy Configuring LIM redundancy In the same way, a system can be set up with the following module pairs: • 6 SDSL LIM–LPM-RP pairs • 1 SDSL–PSM pair or SDSL–CLT module pair • 6 ADSL LIM–LPM-RP pairs •...
  • Page 37 Configuring LIM and LIM Port Redundancy Configuring LIM redundancy Following is a listing of a LIM-Sparing-Config profile with all parameters set to their default values: [in LIM-SPARING-CONFIG/{ any-shelf any-slot 0 }] physical-address* = { any-shelf any-slot 0 } spare-slot-type = none sparing-mode = inactive spare-slot-number = slot-16 manually-spared-slot-number = any-slot...

  • Page 38: Manual Lim Redundancy

    Configuring LIM and LIM Port Redundancy Configuring LIM redundancy admin> list [in LIM-SPARING-CONFIG/{ shelf-1 slot-14 0 }] physical-address* = { shelf-1 slot-14 0 } spare-slot-type = al-dmtadsl-atm-card sparing-mode = inactive spare-slot-number = slot-14 manually-spared-slot-number = slot-any auto-lim-sparing-config = { [ { yes 10 100 12 } { yes 10 100 12 } { yes 10 100 + Similarly, you can display the profile for the spare SDSL LIM: admin>...
  • Page 39 Configuring LIM and LIM Port Redundancy Configuring LIM redundancy Monitoring continues on the secondary LIM. If modem errors exceed thresholds, the connections are transferred back to the primary LIM and the automatic redundancy process stops. You can restart the process by resetting the system or by setting the sparing-mode parameter to inactive and then back to automatic.

  • Page 40: Lim Redundancy With Irms And Lpm-Rs

    Configuring LIM and LIM Port Redundancy Configuring LIM redundancy To activate automatic LIM redundancy for a particular LIM, you must set the following two parameters: • In the LIM-Sparing-Config profile for the spare LIM, set the following active parameter to yes: Auto-LIM-Sparing-Config > LIM-Sparing-Config [slot number of backed-up LIM] >...
  • Page 41 Configuring LIM and LIM Port Redundancy Configuring LIM redundancy admin> dir lim-sparing-config 06/20/1999 02:25:18 { shelf-1 slot-16 0 } Then list the profile: admin> read lim-sparing-config { 1 16 0 } admin> list [in LIM-SPARING-CONFIG/{ shelf-1 slot-16 0 } ] physical-address* = { shelf-1 slot-16 0 } spare-slot-type = sdsl-atm-card sparing-mode = inactive...

  • Page 42: Checking Lim Redundancy Status

    Configuring LIM and LIM Port Redundancy Configuring LIM redundancy LIM-SPARING-CONFIG/{ shelf-1 slot-16 0 } written LOG notice, Shelf 1, Slot 8, Time: 26:30:01-- LIM 16 ACTIVATED as spare for LIM 4 Checking LIM redundancy status You can check the status of LIM redundancy by examining the LIM-Sparing-Status profile. Following are the parameters with sample values: [in LIM-SPARING-STATUS] spare-slot-type = none...

  • Page 43: Checking Status With The Rearslot Command

    Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy Parameter Indicates State of the redundancy function. If redundancy is not sparing-state enabled, sparing-none is the value. If redundancy is enabled and the LIM slot is a primary LIM, the value can be primary-active or primary-inactive.

  • Page 44: Figure 2-2 Lim Port Redundancy On A Stinger Fs

    Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy the spare. The remaining ports on the spare LIM remain available to back up other failed ports on any LIMs of the same type in the system. More than one kind of LIM port can be backed up. An additional LIM-PSM pair (or LIM-CLT module pair) of another type installed in a Stinger can be used to back up other LIMs of that type in the system.

  • Page 45: Enabling Lim Port Redundancy

    Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy Enabling LIM port redundancy Redundancy for a particular slot and port is controlled by the sparing-mode parameter in the appropriate LIM profile. The sparing-mode parameter appears in all LIM profiles, as in the following SDSL profile for slot 2, port 6: [in SDSL/{ shelf-1 slot-2 6 }] name = 1:2:32...

  • Page 46: Automatic Lim Port Redundancy

    Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy Activate redundancy for failed port 6 in slot 4. admin> read sdsl {1 4 6} admin> set sparing-mode = manual admin> write LOG notice, Shelf 1, Slot 8, Time: 12:07:51-- LIM 16 port 6 ACTIVATED as spare for LIM 4 Port 6 Automatic LIM port redundancy Automatic LIM port redundancy detects a LIM port failure and automatically transfers the port...
  • Page 47 Configuring LIM and LIM Port Redundancy Configuring LIM port redundancy Checking the status of extended 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.

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