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Delay parameters

The AL-DMT subprofiles

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363-217-032R9.9.0

Issue 2, Mrach 2006

3 - 2 1

The AL-DMT:Fast-Path-Config subprofile

Purpose

This section describes the parameters of the

Fast-Path-Config

subprofile.

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Содержание STGR-LIM-VD-24

Страница 1: ...Stinger VDSL Line Interface Modules LIM Guide Software version 9 9 0 363 217 032R9 9 0 Issue 2 March 2006...

Страница 2: ...4 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...

Страница 3: ...rmation product support xi Technical support xi How to order xi How to comment xi 1 VDSL LIM Hardware Subscriber line standards 1 2 VDSL LIM physical description 1 3 Installing a VDSL LIM 1 5 Physical...

Страница 4: ...DSL config subprofile overview 4 2 VDSL Config Line Config subprofile 4 3 VDSL Config Spectrum Config subprofile 4 6 VDSL Config Spectrum Config Notch Config subprofile 4 8 VDSL Config Interleave Path...

Страница 5: ...v Lucent Technologies 363 217 032R9 9 0 Issue 2 March 2006 Checking status of the physical interface 7 4 Obtaining statistics about operations 7 7 Displaying ADSL DMT port status and nailed groups 7...

Страница 6: ...Contents v i Lucent Technologies 363 217 032R9 9 0 Issue 2 March 2006...

Страница 7: ...v i i 363 217 032R9 9 0 Issue 2 March 2006 List of Figures 1 1 VDSL LIM faceplate 1 3 3 1 Noise margin parameters and power adjustments relationship 3 26...

Страница 8: ...List of Figures v i i i 363 217 032R9 9 0 Issue 2 March 2006...

Страница 9: ...g Stinger platforms Stinger FS Stinger LS Stinger RT Stinger MS How to use this information product Use this guide to install or configure VDSL LIMs Safety information Before installing your Stinger u...

Страница 10: ...module s features and provides instructions for configuring the module and verifying its status Configuration Stinger ATM Configuration Guide Describes how to integrate the Stinger into the ATM and D...

Страница 11: ...ormation product support Document support telephone numbers are 1 888 727 3615 for the continental United States 630 713 5000 for all countries Technical support For technical support contact your loc...

Страница 12: ...About This Information Product x i i Lucent Technologies 363 217 032R9 9 0 Issue 2 March 2006...

Страница 13: ...the physical specifications of the Stinger VDSL line interface module LIM and the protocols supported by this LIM Contents This chapter describes VDSL LIM hardware information for the following topic...

Страница 14: ...fer is performed using the ANSI discrete multitone DMT and the following VDSL protocol standards VDSL1 Bandplan 998 ITU T G 993 1 Annex A ETSI TS 101 270 1 regional specific allocation ATIS T1 424 200...

Страница 15: ...on describes the visible physical characteristics of the VDSL LIM LIM faceplate and status lights The VDSL LIM has a faceplate with two ejector latches one at the top of the card and one at the bottom...

Страница 16: ...restart then remain dark until the module passes its power on self test POST When the module passes the POST and becomes operational the ACTV active light illuminates Line protection Currently VDSL L...

Страница 17: ...h the card guides and carefully slide the module into the unit 16 15 15 14 14 13 13 12 12 11 11 10 10 ETH ERN ET 9 9 FDX ACT TX CD MAJ OR MIN OR MAS TER TRU NK STA TUS 1 2 3 4 5 6 DIA G PO RT 7 7 6 6...

Страница 18: ...he card has engaged its bus connector press firmly to be sure it is fully seated Depress both ejectors simultaneously 3 Using a number 2 Phillips screwdriver secure the LIM by tightening the thumbscre...

Страница 19: ...th 1 06 inches 2 69cm Depth 9 inches 22 8cm Weight 5 pounds 2 3Kg Temperature range 40 F to 149 F 40 C to 65 C Relative humidity 10 95 non condensing Maximum operation altitude 13 123 feet 4 000m Powe...

Страница 20: ...Physical specifications VDSL LIM Hardware 1 8 Lucent Technologies 363 217 032R9 9 0 Issue 2 March 2006...

Страница 21: ...nterface profile Overview Purpose This chapter describes the AL DMT interface profile Contents This chapter describes configuration information for the following topics Interfaces 2 2 The AL DMT profi...

Страница 22: ...M installed in slot 2 of a stand alone Stinger unit admin dir al dmt 44 10 09 2005 23 00 13 shelf 1 slot 2 1 1 2 1 41 10 20 2005 00 47 43 shelf 1 slot 2 2 1 2 2 41 10 20 2005 00 47 53 shelf 1 slot 2 3...

Страница 23: ...files contain the settings used to configure the interfaces of the VDSL LIM for VDSL connections These settings are used when the dsl type parameter is set to vdsl Active parameters The following sets...

Страница 24: ...he vl dmt profile sparing mode Enables or disables port redundancy sparing and specifies the mode The default value inactive disables LIM port redundancy sparing The automatic setting activates automa...

Страница 25: ...iguration It contains the bit rate parameter settings used to control the use of the interleave path channel for both upstream and downstream ADSL traffic See The AL DMT Interleave Path Config subprof...

Страница 26: ...Before changing this setting ensure that other line parameters have been configured as needed and saved Example The following parameters in the al dmt profile shown with their default settings are as...

Страница 27: ...ections work with call control With call control connections are accepted when the modem has not fully trained to the port up state If a LIM interface with an active connection changes from a port up...

Страница 28: ...the line state is down yes Sets the Stinger call control mechanism to ignore the line state and allow calls to be established on a port as long as the specified slot is operational and the specified p...

Страница 29: ...terface profile 363 217 032R9 9 0 Issue 2 March 2006 2 9 Example interface configuration The commands in the following example disable call control procedures on port one of the LIM in slot 12 read al...

Страница 30: ...Configuring call control The AL DMT interface profile 2 1 0 363 217 032R9 9 0 Issue 2 March 2006...

Страница 31: ...DMT VDSL Config profile are used for VDSL configuration They are described in Chapter 4 The VDSL Config subprofile Contents This chapter describes configuration information for the following topics T...

Страница 32: ...Overview The AL DMT subprofiles 3 2 363 217 032R9 9 0 Issue 2 Mrach 2006...

Страница 33: ...3 3 The AL DMT Line Config subprofile Overview Purpose This section describes the parameters of the AL DMT Line Config subprofile Contents This section contains information on the following topics Par...

Страница 34: ...runk group 0 nailed group 1 vp switching vpi 15 call route info any shelf any slot 0 rate adapt mode up automatic at startup rate adapt mode down automatic at startup rate adapt ratio up 100 rate adap...

Страница 35: ...route info Not currently used line code Specifies the DMT line code to be used for training Valid values are auto select the default The LIM automatically detects and configures itself for the G dmt...

Страница 36: ...sl2plus capable packs For related settings see Bit rate parameters trellis encoding Enables or disables trellis encoding Trellis encoding is specified in the DMT standard The default is yes upstream s...

Страница 37: ...uring power 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 Important If you lower the default value...

Страница 38: ...te adaptive operations to and from the subscriber downstream and upstream for ADSL connections Default settings The following parameters in the al dmt line config subprofile shown with default values...

Страница 39: ...the settings in the margin config subprofile are satisfied rate adapt mode down Not used This is controlled by the setting of the rate adapt mode up parameter rate adapt ratio up Not currently support...

Страница 40: ...Rate adaptive mode parameters The AL DMT subprofiles 3 1 0 363 217 032R9 9 0 Issue 2 Mrach 2006...

Страница 41: ...s that must be considered to properly configure the settings of the AL DMT Line Config subprofile Additionally the optimum settings for some parameters and interactions between parameter settings are...

Страница 42: ...eam traffic In the current software version both upstream and downstream traffic must use the same channel Interleave path bit rate settings The bit rate parameter settings control the use of the inte...

Страница 43: ...ails to achieve the maximum bit rate in either direction it attempts to initialize at a lower rate until it reaches the minimum specified bit rate If the line is unable to initialize at the minimum sp...

Страница 44: ...Configuring rate adaptation The AL DMT subprofiles 3 1 4 363 217 032R9 9 0 Issue 2 Mrach 2006...

Страница 45: ...fig subprofile Overview Purpose This section describes the parameters of the AL DMT Interleave Path Config subprofile Additionally optimum settings for some parameters are described Contents This sect...

Страница 46: ...down 8000 Parameter descriptions Parameter Setting min bitrate up Specifies the minimum bit rate for upstream traffic from 0Kbps through 2016Kbps The default value is 128Kbps Important Not valid for...

Страница 47: ...ite max bitrate down Specifies the maximum bit rate for downstream traffic The valid settings are 0Kbps through 18016Kbps 0Kbps through 24544Kbps The default value is 8000Kbps Important Not valid for...

Страница 48: ...le delay for interleaver deinterleaver operations in AL DMT any shelf any slot 0 interleave path config max delay up 16 max delay down 16 min inp down auto min in up auto Parameter descriptions Parame...

Страница 49: ...lid settings are no symbols half symbol one symbol two symbols auto default This setting automatically selects a setting of no symbols min inp up The setting is only valid on lines using the ADSL2 pro...

Страница 50: ...Delay parameters The AL DMT subprofiles 3 2 0 363 217 032R9 9 0 Issue 2 Mrach 2006...

Страница 51: ...elay parameters The AL DMT subprofiles 363 217 032R9 9 0 Issue 2 Mrach 2006 3 2 1 The AL DMT Fast Path Config subprofile Purpose This section describes the parameters of the Fast Path Config subprofil...

Страница 52: ...configuration shows the default settings for the fast path config subprofile in AL DMT any shelf any slot 0 fast path config min bitrate up 128 min bitrate down 128 max bitrate up 1024 max bitrate do...

Страница 53: ...It contains parameters used to set the noise density and the length of time the noise must be present to trigger rate adaption The noise margins can be controlled to ensure that the line meets or sta...

Страница 54: ...ies 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 practi...

Страница 55: ...wer output to bring the margin below this limit The valid range is 0dB through 31dB The default is 31dB max add noise margin down Maximum downstream noise margin beyond the target noise margin down se...

Страница 56: ...rameters and power adjustments relationship LIM power vs noise On many loops a Stinger VDSL LIM that has trained to ADSL or ADSL2 protocols uses large power margins To avoid excessive power margins yo...

Страница 57: ...agement on an ADSL2 LIM and sets the maximum power margin value to 10 in AL DMT shelf 1 slot 2 1 margin config set max add noise margin down 10 set max margin enabled yes Setting limitation Ensure tha...

Страница 58: ...Noise margin operation The AL DMT subprofiles 3 2 8 363 217 032R9 9 0 Issue 2 Mrach 2006...

Страница 59: ...nts This chapter describes configuration information for these subprofiles VDSL config subprofile overview 4 2 VDSL Config Line Config subprofile 4 3 VDSL Config Spectrum Config subprofile 4 6 VDSL Co...

Страница 60: ...meter in the AL DMT profile is set to vdsl VDSL Config contents The following listing illustrates the subprofiles contained in the AL DMT VDSL Config subprofile in AL DMT any shelf any slot 0 vdsl con...

Страница 61: ...apt ratio up 0 rate adapt ratio down 0 max aggr power level up 115 max aggr power level down 145 trellis encoding yes loop back none bit swapping yes upbo disabled Parameter descriptions The following...

Страница 62: ...upstream data transport Valid values are none Currently not supported on the VDSL LIM fast the default Sets the delay to the lowest possible value interleave Sets the latency path to interleave both...

Страница 63: ...is encoding Enables or disables trellis encoding Valid values are yes the default Trellis encoding is enabled no Trellis encoding is disabled loop back Sets the loopback status of the line Valid value...

Страница 64: ...si variant a up psd template m1 down psd template m1 notch config no no no no adsl presence none adsl friendly no Parameter descriptions The following table describes the functions associated with the...

Страница 65: ...parameter is set to yes up psd template Selects the M1 or M2 PSD mask for both upstream and downstream transmission Valid values are M1 the default Selects the M1 mask M2 Selects the M2 mask down psd...

Страница 66: ...ectrum Config Notch Config subprofile Parameter Setting nc 1810k Sets a notch filter for 1810Khz to 2000Khz Valid values are no the default yes The notch filter is set nc 3500k Sets a notch filter for...

Страница 67: ...subprofile The VDSL Config subprofile 363 217 032R9 9 0 Issue 2 March 2006 4 9 nc 10100k Sets a notch filter for 10100Khz to 10150Khz Valid values are no the default The notch filter is not set yes T...

Страница 68: ...VDSL Config Spectrum Config Notch Config subprofile The VDSL Config subprofile 4 1 0 363 217 032R9 9 0 Issue 2 March 2006...

Страница 69: ...VDSL Config Interleave Path Config subprofile Overview Purpose This section describes the parameters of the VDSL Config Interleave Path Config subprofile Contents This section contains information on...

Страница 70: ...up 0 planned bitrate down 0 Parameter descriptions Parameter Setting min bitrate up Specifies the minimum requested bit rate for upstream traffic in Kbps from 0 through 60000 The default value is 100...

Страница 71: ...min bitrate down 32 write max bitrate down Specifies the minimum requested bit rate for downstream traffic in Kbps from 0 through 80000 The default value is 60000 Important Not valid for the rate adap...

Страница 72: ...line However it 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 tol...

Страница 73: ...up Specifies the maximum number of upstream DMT symbols with impulse noise errors that can be corrected Settings for greater correction result in greater delay and lower data rates This setting is use...

Страница 74: ...bprofile Introduction The al dmt vdsl config fast path config subprofile bit rate parameter settings are configured to control the use of the fast path for both upstream and downstream VDSL traffic De...

Страница 75: ...000000 The default value is 30000000 Important Not valid for the rate adaptation setting of operator controlled max bitrate down Specifies the maximum bit rate for downstream traffic from 0 through 80...

Страница 76: ...ast Path Config subprofile The VDSL Config subprofile 4 1 8 363 217 032R9 9 0 Issue 2 March 2006 fec max up Currently not supported on the VDSL LIM fec max down Currently not supported on the VDSL LIM...

Страница 77: ...g 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 VDSL operations The valid range in t...

Страница 78: ...tput to bring the margin below this limit The valid range in tenths of a dB is 0 through 320 0dB through 32dB The default setting is 100 10dB max noise margin down The downstream maximum noise margin...

Страница 79: ...This chapter describes the profiles and parameters used to configure encapsulated Ethernet connections on VDSL ports Contents This chapter describes information on the following topics Selecting Ethe...

Страница 80: ...ion are documented in the Stinger IP Control Module Guide Ports configured for ADSL ADSL2 or ADSL2 connections support ATM at Layer 2 but do not support layer 2 Ethernet For information about configur...

Страница 81: ...Protocol used with Pipeline communications with the Pipeline mp Standard MP RFC 1717 ppp Standard PPP frame relay Frame relay frame relay circuit Frame Relay circuit tcp raw RAW TCP no encapsulation...

Страница 82: ...face or group of interfaces associated with this connection A numeric field with valid entries from 0 to 65535 vlan id Not currently supported The IEEE 802 1Q VLAN tag value added to IP packets transm...

Страница 83: ...ile in ETHER QOS new contract name priority 0 committed information rate 0 Parameter Setting contract name A text field of up to 31 characters that defines the name for this quality of service contrac...

Страница 84: ...VDSL Ethernet QOS VDSL Ethernet connections 5 6 363 217 032R9 9 0 Issue 2 March 2006...

Страница 85: ...that can be used as guides for initial configuration of an AL DMT interface on a VDSL LIM Contents This chapter describes configuration information for the following topics Examples for configuration...

Страница 86: ...pt mode down operator controlled set fast path config planned bitrate up 56 set interleave path config planned bitrate down 1500 write Automatic Bit rate and protocol detection The following commands...

Страница 87: ...tion of ADSL Configuration Examples 363 217 032R9 9 0 Issue 2 March 2006 6 3 Reserving a VPI The following commands reserve VPI 7 for VP switching on the interface read al dmt 1 3 4 set line config vp...

Страница 88: ...DSL2 Setting the line code in the line config subprofile to adsl2plus configures an al dmt port to attempt to use the ADSL2 protocol ITU T G 992 5 The line attempts to use this protocol and does not t...

Страница 89: ...dsl config line config line code vdsl set vdsl config line config rate adapt mode up automatic at startup set vdsl config line config rate adapt mode down automatic at startup set vdsl config line con...

Страница 90: ...Examples for configuration of VDSL line codes Configuration Examples 6 6 363 217 032R9 9 0 Issue 2 March 2006...

Страница 91: ...to check the status of an ADSL DMT interface on a VDSL LIM Contents This chapter describes configuration information for the following topics Checking overall status of ADSL DMT interface 7 2 Checking...

Страница 92: ...ounter 0 vpi vci range vpi 0 15 vci 32 127 vp switching vpi 15 physical status 0 coe port up 128 2944 fast fast 1 4 1 2 physical statistic 1 1 1 yes 3 passed 3 6 56 19 5 41 Parameter descriptions Para...

Страница 93: ...edundancy state occurred sparing change counter Indicates that each redundancy change for example primary to secondary secondary to primary increments the counter The counter is reset when the Stinger...

Страница 94: ...subprofile example Following are the Physical Status subprofile parameters shown with sample settings for an active interface in AL DMT STAT shelf 1 slot 3 4 physical status if group index 0 unit type...

Страница 95: ...ve 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 up stream latency Indicates the operational upstream latency...

Страница 96: ...sec invalid Indicates how many error seconds are detected during the continuous BERT Currently not supported on the VDSL LIM operational mode Indicates ADSL coding protocol as automatically detected o...

Страница 97: ...19 noise margin up 5 attenuation up 41 output power up 11 near end fec 0 near end crc 0 near end hec 0 far end fec 10 far end crc 0 far end hec 0 received rs blcks 104073 transmitted rs blocks 416772...

Страница 98: ...ar end fec Indicates forward error correction FEC errors detected by the COE ADSL transceiver unit ATU near end crc Indicates cyclic redundancy check CRC errors detected by the COE ATU near end hec In...

Страница 99: ...llowing dmtal command output shows the nailed group numbers for an ADSL DMT module in slot 4 dmtal a All ADSL lines dvOp dvUpSt dvRq sAdm nailg Line 1 4 1 Up Idle UP UP 00151 Line 1 4 2 Up Idle UP UP...

Страница 100: ...Displaying ADSL DMT port status and nailed groups Checking interface status 7 1 0 363 217 032R9 9 0 Issue 2 March 2006...

Страница 101: ...ters 7 2 B BERT AL DMT lines 7 4 bitrate parameters 3 16 4 12 4 16 C call control 2 7 configuration ADSL2 example 6 4 6 5 legacy ADSL examples 6 2 D DMT line codes 4 4 DMT See AL DMT dmtal command 7 9...

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