Real Tone Technology WSS Voice Gateway Series User manual

WSS VoiceGatewaySeries
UserConfigurationGuide

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Amendent Records
Document Rev. 1.1(May10, 2009)
Modificationsweremade tothe terms,accuracyofdescription,etc.inthe
document.
Chapter1
Theequipment structureofWSS120 wasadded.
Chapter2
Thecontent wasmodified accordingtothe releaseofnewWebinterface.
Document Rev. 01 (June 16, 2005)
RealToneTechnologyCo.,Ltd.All RightsReserved
All orpartofthisdocumentmaynotbeexcerpted,reproduced and transmitted in
anyformorbyanymeanswithout priorwritten permission fromthe company.

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ContentsofTable
AmendentRecords.....................................................................................................................2
ContentsofTable.......................................................................................................................3
ContentsofFigure......................................................................................................................5
ContentsofTable.......................................................................................................................7
1Overview..................................................................................................................................9
1.1 ProductIntroduction.......................................................................................................................9
1.2 FunctionsandFeatures.................................................................................................................10
1.3 EquipmentStructure.....................................................................................................................10
1.3.1WSS8...............................................................................................................................10
1.3.2WSS50............................................................................................... 误！未定义书签。
1.3.3WSS100-AG.....................................................................................................................14
1.3.4WSS120...........................................................................................................................16
2ParameterSetting..................................................................................................................21
2.1 Login...........................................................................................................................................21
2.1.1ObtainGatewayIPAddress...............................................................................................21
2.1.2LogonGateway................................................................................................................22
2.1.3Permission ofGatewayAdministrator................................................................................22
2.2 ButtonsUsedonGatewayManagementInterface..........................................................................23
2.3 BasicConfiguration......................................................................................................................23
2.3.1NetworkConfiguration.....................................................................................................23
2.3.2SystemConfiguration.......................................................................................................25
2.3.3SIPConfiguration.............................................................................................................27
2.3.4MGCPConfiguration........................................................................................................29
2.4 Routing........................................................................................................................................31
2.4.1DigitMap.........................................................................................................................31
2.4.2RoutingTable...................................................................................................................32
2.4.3ApplicationExamplesofRoutingTable.............................................................................36
2.4.4IPTable............................................................................................................................37
2.5 LineConfiguration.......................................................................................................................38
2.5.1FXSorFXO PhoneNumber..............................................................................................38
2.5.2SubscriberLineFeatures...................................................................................................38
2.5.3TrunkLineFeatures..........................................................................................................41
2.6 AdvancedConfiguration...............................................................................................................42
2.6.1System.............................................................................................................................42

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2.6.2MediaStream...................................................................................................................45
2.6.3SIPrelatedconfiguration...................................................................................................47
2.6.4Characteristicsofsubscriberline.......................................................................................49
2.6.5Characteristicsoftrunkline...............................................................................................50
2.6.6Radiuscall logs.................................................................................................................52
2.6.7Encryption........................................................................................................................53
2.6.8Callprogress toneplan......................................................................................................54
2.6.9Functionalkeys.................................................................................................................55
2.7 Callstatusandstatistics................................................................................................................58
2.7.1Callstatus.........................................................................................................................58
2.8 Logmanagement..........................................................................................................................59
2.8.1Systemstatus....................................................................................................................59
2.8.2Callmessage.....................................................................................................................61
2.8.3SystemStartup..................................................................................................................61
2.8.4Managelog.......................................................................................................................61
2.9 System tool..................................................................................................................................62
2.9.1Changepassword..............................................................................................................62
2.9.2Configurationimport.........................................................................................................63
2.9.3Configurationexport.........................................................................................................63
2.9.4Softwareupgrade..............................................................................................................64
2.9.5Softwarerestart.................................................................................................................65
2.9.6Systemreboot...................................................................................................................66
2.9.7Restorefactorysettings.....................................................................................................66
2.10 Versioninformation....................................................................................................................66
2.11 Logout.......................................................................................................................................66
3Appendix................................................................................................................................67
3.1 WSS120systemoperation state....................................................................................................67

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Contents ofFigure
Figure1-1WSS8FrontPanel.............................................................................................................11
Figure1-2WSS8BackPanel.............................................................................................................11
Figure1-3WSS50 FrontPanel...........................................................................................................12
Figure1-4WSS50 BackPanel............................................................................................................14
Figure1-5WSS100-AGFrontPanel...................................................................................................15
Figure1-6WSS100-AGBackPanel...................................................................................................16
Figure1-7WSS120FrontPanel.........................................................................................................17
Figure1-8SchematicDiagramofWSS120SubscriberLineConnection..............................................18
Figure1-9WSS120BackPanel..........................................................................................................19
Figure1-10SchematicDiagramforFrontPanel ofWSS120Dual-ChassisSystem...............................20
Figure1-11SchematicDiagramforBackPanel ofWSS120Dual-ChassisSystem...............................20
Figure2-1LoginInterfaceforWSS GatewayConfiguration................................................................22
Figure2-2NetworkConfigurationInterface........................................................................................23
Figure2-3SystemConfigurationInterface..........................................................................................26
Figure2-4SIPConfigurationInterace.................................................................................................27
Figure2-5MGCPConfigurationInterface..........................................................................................29
Figure2-6ConfigurationInterfaceforDigitMap................................................................................31
Figure2-7ConfigurationInterfaceforRoutingTable..........................................................................32
Figure2-8ConfigurationInterfaceforIPTable...................................................................................37
Figure2-9ConfigurationInterfaceforTelephoneNumber..................................................................38
Figure2-10ConfigurationInterfaceforSubscriberLineFeatures........................................................39
Figure2-11ConfigurationInterfaceforTrunkLineFeatures...............................................................41
Figure2-12Inferfaceofsystemadvancedconfiguraiton......................................................................43
Figure2-13Mediastreamconfigurationinterface...............................................................................45
Figure2-14SIPrelatedconfigurationinterface...................................................................................47
Figure2-15Subscriber-linecharacteristicsconfigurationinterface.......................................................49
Figure2-16Trunklinecharacteristicsconfiguraitoninterface..............................................................51
Figure2-17ConfigurationinterfaceofRadiuscalllogs.......................................................................52
Figure2-18Encryptionconfigurationinterface...................................................................................53
Figure2-19Callprogress toneconfigurationinterface.........................................................................54
Figure2-20Functionalkeysconfigurationinterface............................................................................56
Figure2-21Interfaceofcallstatus......................................................................................................58
Figure2-22Detailsforthecall...........................................................................................................59
Figure2-23Callmessageinterface.....................................................................................................61
Figure2-24Interfaceofsystemstartup...............................................................................................61
Figure2-25Interfaceofdebugginglog management...........................................................................62
Figure2-26Interfaceofpasswordchanging........................................................................................63
Figure2-27Interfaceofimportdata....................................................................................................63

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Figure2-28Interfaceofexportdata....................................................................................................64
Figure2-29Interfaceofsoftwareupgrade...........................................................................................64
Figure2-30Interfaceoffileupload.....................................................................................................64
Figure2-31Upgradeinterface............................................................................................................65
Figure2-32Promptofupgradeprocess...............................................................................................65
Figure2-33Interfaceofsuccessfulupgrade........................................................................................65

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ContentsofTable
Table1-1DifferencesBetweenWSSGatewaySeries............................................................................9
Table1-2CommonConfigurationCombinationofWSS8...................................................................10
Table1-3Description ofWSS8Front Panel........................................................................................11
Table1-4Description ofWSS8BackPanel........................................................................................11
Table1-5ConfigurationDescriptionofAnalog LineInterfacesforAll WSS8Models.........................12
Table1-6ConfigurationCombinationofWSS50................................................................................12
Table1-7Description ofWSS50 FrontPanel......................................................................................13
Table1-8Pinsand IndicatorsforSubscriberLine(FXS)orTrunk Line(FXO)ofWSS50....................13
Table1-9forPinandIndicatorTableofEthernetPorts.......................................................................13
Table1-10 IndicatorsofWSS50.........................................................................................................13
Table1-11 DescriptionofWSS50 BackPanel.....................................................................................14
Table1-12 PropertiesofWSS50CON Port..........................................................................................14
Table1-13 ConfigurationCombinationofWSS100-AG......................................................................14
Table1-14 DescriptionofWSS100-AGFront Panel............................................................................15
Table1-15 IndicatorsofWSS100-AG................................................................................................15
Table1-16 DescriptionofWSS100-AGBackPanel............................................................................16
Table1-17 ConfigurationCombinationofWSS120:...........................................................................16
Table1-18 DescriptionofWSS120FrontPanel..................................................................................17
Table1-19 PinSpecificationsforWSS120RJ45Socket Port...............................................................18
Table1-20 CorrespondingRelation BetweenWSS120RJ45Socketand LineNumber.........................18
Table1-21 WSS120 BackPanel.........................................................................................................19
Table1-22 MeaningsofWSS120Indicators.......................................................................................19
Table2-1DefaultIPAddressofGateway...........................................................................................21
Table2-2DefaultPasswordsofGateway............................................................................................22
Table2-3NetworkConfiguration Parameters......................................................................................24
Table2-4SystemConfigurationParameters........................................................................................26
Table2-5CodecMethodsSupportedbyGateways..............................................................................27
Table2-6SIPConfiguration Parameters.............................................................................................28
Table2-7MGCPConfiguration Parameters........................................................................................29
Table2-8Description ofDigitmap.....................................................................................................31
Table2-9RoutingTableFormat.........................................................................................................33
Table2-10 NumberTransformations..................................................................................................34
Table2-11 RoutingDestination..........................................................................................................35
Table2-12 ConfigurationParametersofTelephoneNumber................................................................38
Table2-13 ConfigurationParametersofSubscriberLineFeatures.......................................................39
Table2-14 ConfigurationParametersofTrunks..................................................................................42
Table2-15 Parametersofsystemadvancedconfiguration....................................................................43
Table2-16 Mediastreamconfigurationparameter...............................................................................45

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Table2-17 MappingbetweenthereliabilityrequirementandtheTOSvalue........................................47
Table2-18 SIPrelatedconfigurationparameter...................................................................................48
Table2-19 Subscriber-linecharacteristicsconfiguration parameter......................................................49
Table2-20 Configurationparameteroftrunklinecharacteristics..........................................................51
Table2-21 ConfigurationparameterofRadiuscall logs......................................................................52
Table2-22 Encryptionconfigurationparameters.................................................................................53
Table2-23 Callprogresstoneconfiguration parameters.......................................................................55
Table2-24 Functionalkeysconfigurationparameter...........................................................................56
Table2-25 Parametersofcallstate.....................................................................................................58
Table2-26 Detailsforthecall.............................................................................................................59
Table2-27 Parametersofsystem status...............................................................................................60
Table2-28 Configurationparametersofdebugginglog management...................................................62
Table3-1WSS120systemoperationstate...........................................................................................67

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1 Overview
1.1 ProductIntroduction
WSS SeriesintelligentVoIPGateways(hereinaftercalled WSSGateways”orsimply Gateways”)
aredesignedforthetraditionaltelecomterminaldevicestoaccess IPnetworksthroughSIPorMGCP
protocols.Itsmainapplicationsinclude:
lForcarriersand value-addedservice providerstoprovidetelephone,faxand voice-band data
servicestosubscribersusingIPaccess methodssuchasFTTB, HFC,andxDSL;
lUsedtobridgethetraditionaltelecomterminalequipments,suchasPBXs,totheIPcore
networksofcarriers;
lConnectedwithPBXofenterprisestoprovideIP-basedvoiceprivatenetworksolutionsfor
institutions,enterprisesandschools;
lUsedasremoteaccesequipmentsforIP-PBXsincallcenterdeployment.
WSS Gatewaysaresuitableforplacementonofficedesktopsorinstallation onwallsinthecorridor
and racksintheequipmentroom.
WSS SeriesincludeWSS8,WSS50,WSS100and WSS120subseries.Theirfeaturesaresimilarwith
themaindifferencesasfollows:
Table1-1 DifferencesBetweenWSSGatewaySeries
Capacity Chassis SubscriberLine
BoardCard Installat ion Power
WSS8 4-8FXS/FXO
Ports PlasticCasing Built-in Desktop
5-9VDC
WSS50 12-24 FXS/FXO
Ports 19”Wideand 1UHigh Built-in Rack 100-240VAC
WSS100
24-48 FXS/FXO
Ports 19”Wideand 1UHigh Pluggable Rack 100-240VAC, -48 VDC
(Optional)
WSS120
48-96 FXS/FXO
Ports 19”Wideand 1UHigh,
includingmaster
and slave
chassises
Pluggable Rack 100-240VAC,
-48 VDC
(Optional)
WSS GatewaysuseFreescale®PowerQUICC communicationsCPUseriesasmaincontrol
processors(including60MHzMPC852T,200MHzMPC8250and 300MHzMPC8247)and TI’s
TMS320VC5509Ahigh-performance digitalsignalprocessingchipsasprocessorsforvoiceandfax
processing(equippedwith1-14DSPchipsbasedontheneedofconcurrentcallcapacity),andare
integratedwith32MB-64MBSDRAMassystemmemory,4MB-16MBFLASHaspermanentfile
system.Thepowerfulprocessingcapabilityandsufficienthardwareconfigurationensurethatall
productsofWSS Seriescanprovideconcurrentcallsoffullcapacityand maintaingoodcall quality.
Intermsofsoftware,WSS GatewaysusestableandreliableembeddedLinuxoperatingsystem
matchedwithdriverlayersofdifferent hardwareplatformstorealizethecompatibilitywithfull range
ofapplicationsoftwareproducts,ensuringtheconsistentfunctionsand stableperformance ofthe
productseries.
WSS GatewayssupportSIPandMCGPprotocols.Theycanprovide

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lPBXfunctionssuchashuntinggroup,second stagedialing,internalcommunications,callerID
(FSK/DTMF),calltransfer,callwaiting,callhold,callbarring,callerIDrestrictionhotline,
corporateCRBTandetc;
lFXO relatedfunctionssuchasPSTNfailover,gaincontrol,busytonedetection,voicepromptin
inboundcalls,polarityreversaldetection;
lMediastreamprocessingfunctionssuchasRTPredundancy,packetloss compensation,
G.711/G.729A/G.723.1/iLBC/GSMvoicecodec, echocancellation,andetc.
WSS Gatewayssupportlocaland remote,distributedand centralizedmanagementmodes,including
Webaccess management,command lineconfigurationbasedonLinux OS,auto-provisionfor
firmwareupgradeandconfigurationmanagementbasedonTFTP/FTP/HTTP,TR069basedACS.
1.2 Functions and Features
lConnectanalog telephone,PBX,facsimilemachineand POSmachinetotheIPcorenetwork,or
PSTN;
lWorkwithserviceplatform toprovidevarioustelephonesupplementaryservices;
lSupportSIPandMGCPprotocols;
lSupportFXSandFXOinterfaces;
lSupportstaticIPaddressconfigurationordynamicallyobtainanIPaddressthroughDHCPand
PPPoE;
lSupportG.711, G.729A, G.723.1, GSM,iLBC;
lSupportechocancellation;
lUpto100routingrulescanbestoredingateways;
lSupportdigitmap;
lSupportintercom;
lSupportfull-capacityconcurrent calls;
lSupportT.30/T.38faxmode;
lSupportmultiplelocaland remotemaintenance&managementmodessuchasWeb,Telnet,
auto-provision,andTR069clinet;.
lSupportseveralencryptionmethods;
lSupportcallprogresstonesforvariouscountriesandregions;
lSupportFXOsecond stagedialingorvoiceprompt;
lSupportPSTNfailoverthroughFXO ports;
1.3 Equipment Structure
1.3.1 WSS8
WSS8istheproductwithsmallestcapacityinWSS GatewaySeries.Designedwithsmallplastic
structurefordesktopplacement, WSS8canprovideupto8analog lineinterfaces.WSS8supportsthe
followingtypesofconfiguration:
Table1-2 CommonConfigurationCombinationofWSS8
Models NumberofFXSPorts NumberofFXO Ports
WSS8-4S 4 0
WSS8-8S 8 0
WSS8-4FXO 0 4

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Models NumberofFXSPorts NumberofFXO Ports
WSS8-8FXO 0 8
WSS8-4S/4 4 4
Figure1-1 WSS8Front Panel
Table1-3 DescriptionofWSS8Front Panel
# Description
Powerindicator(PWR),thelightonindicatesthatit hasbeenpowered.
②Ethernetinterfaceindicator(ETH),thelightonindicatessuccessful connection, the
lightflashingindicatesthatdatapacketsarebeingreceivedorsent.
③Analog subscriberline(FXS)oranalog trunk(FXO)interfaceindicator, thelighton
indicatesthatit isinuse.
Figure1-2 WSS8BackPanel
Table1-4 DescriptionofWSS8BackPanel
# Description
Powerinterface,5-9VDCinput
②10/100 MEthernet Interface, RJ45

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# Description
③Analog subscriberline(FXS)oranalog trunk(FXO)interface
Table1-5 ConfigurationDescriptionofAnalog LineInterfacesforAllWSS8Models
RJ11InterfaceConfiguration
WSS8
Models 1 2 3 4 5 6 7 8
WSS8-4S Subscribe
rLine1 Subscribe rLine2 Subscribe rLine3 Subscribe rLine4 NA NA NA NA
WSS8-8S Subscribe
rLine1 Subscribe rLine2 Subscribe rLine3 Subscribe rLine4 Subscribe rLine5 Subscribe rLine6 Subscribe rLine7 Subscribe rLine8
WSS8-4FX
O Trunk Line1 Trunk Line2 Trunk Line3 Trunk Line4 NA NA NA NA
WSS8-8FX
O Trunk Line1 Trunk Line2 Trunk Line3 Trunk Line4 Trunk Line5 Trunk Line6 Trunk Line7 Trunk Line8
WSS8-4S/4 Subscribe
rLine1 Subscribe rLine2 Subscribe rLine3 Subscribe rLine4 Trunk Line1 Trunk Line2 Trunk Line3 Trunk Line4
1.3.2 WSS50
Designedwitha1Uhigh and 19”widecompactchassis,WSS50issuitableforinstallationina
standardcabinet. Ithasabuilt-in110-220Vpowermodule.WSS50offers16-lineor24-linecapacity
options,andusesRJ45fortheinterfacesocketofanalog lines.WSS50 supportsthefollowingtypes
ofconfiguration:
Table1-6 ConfigurationCombinationofWSS50
ModelsNumberofFXSPorts NumberofFXO Ports
WSS50-16S 16 0
WSS50-24S 24 0
WSS50-16FXO 0 16
WSS50-24FXO 0 24
WSS50-8S/8 8 8
WSS50-12S/4 12 4
WSS50-16S/8 16 8
WSS50-20S/4 20 4
Figure1-3 WSS50 FrontPanel

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Table1-7 DescriptionofWSS50 FrontPanel
# Description
Offerthefirst8analog lineinterfaces(FXSorFXO) interface typeisRJ45.
②Offer9th-16th analog lineinterfaces(FXSorFXO), interfacetypeisRJ45.
③Offer17th-24th analog lineinterfaces(FXSorFXO),interfacetypeisRJ45.
WhenthetotalsystemcapacityofWSS50 is16lines,theseinterfaceswill not
beprovided.
④One10/100MEthernetuplinkinterface(WAN)andone10/100MEthernet
userinterface (LAN), interfacetypeisRJ45. Theuplink interfaceisusedIP
port forsignalingandvoicetraffic. Theuserinterfaceisreservedforfuture
use.
⑤、⑥、⑦ ThreeindicatorsofPWR,STATUSandALARMrepresentthepower, status
and alarmrespectively. Specificmeaningsoftheseindicatorsaredescribedin
Table1-10.
Table1-8 PinsandIndicatorsforSubscriberLine(FXS)orTrunkLine(FXO)ofWSS50
Pin LED
1 2 3 4 5 6 7 8 Yellow Green
NC NC NC Ring Tip NC NC NC Interface
Type Interface Status
Note:TheyellowLEDonRJ45socketworksonlyinthemixedFXS/FXOtypeconfiguration of
Gateway.TheyellowLEDlightonindicatestheinterfaceisFXOtype,and theyellowlightoff
indicatestheinterface isFXStype.InanequipmentwithonlyFXS-typeorFXO-typeconfiguration,
theyellowLEDdosenotworkandremainsoff.
Table1-9 forPinandIndicatorTableofEthernetPorts
Pin LED
1 2 3 6 Yellow Green
TX+ TX- RX+ RX- Connection
Status Activity Status
Table1-10 IndicatorsofWSS50
Mark Function Status Description
Green Poweron
PWR Power
Indication Off Poweroff
Off System lockedand inactive
Green
Flash Normal Operation
Constant
Red System intheprocessofpowerupandnotinthe normal operationmode
STATUS Status
Indication
RedFlash System inadiagnosticmodeandabletoexecute
limitedoperation
Green Noalarms
RedFlash Newalarmsoccurredbutnot confirmed
ALARM Alarm
Indication Red Alarmsexistedandallalarminformation
confirmed

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Figure1-4 WSS50 BackPanel
Table1-11 DescriptionofWSS50 BackPanel
# Description
Ground pole
②ACpowerinputsocket,100-240VACvoltageinput.
③Theconfigurationinterface(CON)isusedforlocal managementand
debugging. It connectswithRS232portonacomputer,andlocal PCscan
establishaconnection withWSS50throughaemulatorontheconfiguration
terminal. Table1-12 describestheinterfaceproperties.
Table1-12 PropertiesofWSS50CON Port
Properties Description
Connector DB9
Numberof
Interface 1
Interface
Standard RS232
Baud Rate 38400
DataBit 8
ParityCheck No
StopBit 1
Traffic
Control No
1.3.3 WSS100-AG
Designedwitha1Uhigh and19”widecompactchassisandaswappablemodularstructure,
WSS100-AGcanofferflexibleon-siteconfigurationandreplacement. Theinterfacecardof
WSS100-AGusesaChamp50-typesocketandisconnectedtothedistributionpanelinequipment
roomusinga25-paircablesuppliedwiththeunit.WSS100-AGsupportsthefollowingtypesof
configuration:
Table1-13 ConfigurationCombinationofWSS100-AG
Models NumberofFXSPorts NumberofFXO Ports
WSS100-AG-48S 48 0
WSS100-AG-32FXO 0 32
WSS100-AG-16S/16 16 16
WSS100-AG-32S/4 32 4

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Models NumberofFXSPorts NumberofFXO Ports
WSS100-AG-32S/8 32 8
Figure1-5 WSS100-AGFront Panel
Table1-14 DescriptionofWSS100-AGFront Panel
# Description
Maincontrolmodule.It offersone10/100MEthernetportandone
configurationinterface(CON).
②and ③Twointerfaceslots,and eachcancontainonedesiredtypeinterface card.
Note:DO NOTplugorremovethemaincontrolmoduleand interfacecardsofWSS100 when
equipmentispoweredon.
Table1-15 IndicatorsofWSS100-AG
Mark Function Status Description
Green Poweron
PWR Power
Indication Off Poweroff
Off System lockedand inactive
GreenFlash Normal operation
Constant Red
System intheprocessofpowerupandnotinthe
normalnormaloperationmode
STU Status
Indication
RedFlash System inadiagnosticmodeandabletoexecute
limitedoperation
Green Noalarms
RedFlash Newalarmsoccurredbutnot confirmed
ALM Alarm
Indication Red Alarmsexistedandallalarminformationconfirmed

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Figure1-6 WSS100-AGBackPanel
Table1-16 DescriptionofWSS100-AGBackPanel
# Description
Twocoolingfans
②Ground pole
③ACpowersocket,100-240VACvoltageinput.
1.3.4 WSS120
Designedwitha1Uhigh and 19”widecompactchassiswithswappablemodularstructureof
interfaces,WSS120 canbescalabletohaveanexpansionchassiswhichholdstwointerfacecards.
TheinterfacecardofWSS120useRJ45socketsandtheyareconnectedtothedistributionpanelof
equipmentroomusingaCAT-5Ethernet cabletoofferflexibleuserinterfaceconfiguration.
ThemainchassisofWSS120canholdtwointerface cardswhichenabletoflexiblyconfigurethe
numberofFXSandFXOports and eachcardepuipsupto24ports.Theexpansionchassiscanalso
holdtwo24-portinterfacecardswhichenabletoflexiblyconfigurethenumberofFXSandFXO
ports.WSS120dual-chassissystemcanprovideupto96ports.Itsupportsthefollowing
configurations:
Table1-17 ConfigurationCombinationofWSS120:
Models NumberofFXSPorts NumberofFXO Ports
WSS120-48S 48 0
WSS120-72S 72 0
WSS120-96S 96 0
WSS120-24FXO 0 24
WSS120-48FXO 0 48
WSS120-72FXO 0 72
WSS120-96FXO 0 96
WSS120-40S/8 40 8
WSS120-64S/8 64 8
WSS120-88S/8 88 8
WSS120-36S/12 36 12
WSS120-60S/12 60 12
WSS120-84S/12 84 12
WSS120-32S/16 32 16
WSS120-56S/16 56 16

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Models NumberofFXSPorts NumberofFXO Ports
WSS120-80S/16 80 16
WSS120-28S/20 28 20
WSS120-52S/20 52 20
WSS120-76S/20 76 20
WSS120-24S/24 24 24
WSS120-48S/24 48 24
WSS120-72S/24 72 24
WSS120-44S/28 44 28
WSS120-68S/28 68 28
WSS120-40S/32 40 32
WSS120-64S/32 64 32
WSS120-36S/36 36 36
WSS120-60S/36 60 36
Figure1-7 WSS120 FrontPanel
Table1-18 DescriptionofWSS120 FrontPanel
# Description
and ②Twointerfaceslots;eachcancontainone24-portinterfacecard.
③Matrixof6×4LEDstatusindicatoroninterface card
Donot plugandremovetheinterface cardsofWSS120whenequipmentispoweredon.
EachRJ45socket has8pinsleadingout4pairsofanalog telephoneortrunk linesinagreementwith
thepairspecificationsforEthernetinterfaces,whosecorrespondingrelationscanbeseeninthetable
below.CAT-5cablesareusedtoconnecttheinterfacecardanddistributionpanelinequipment
installation.StandardRJ11telephonelinescanbeusedtopluginaRJ45socket.Thetelephone/trunk
linesareconnectedtothe3rd pairofpinsforsimplecall test.

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Table1-19 PinSpecificationsforWSS120RJ45Socket Port
NumericalSequenceof
SubscriberLine 1st Pair 2nd Pair 3rd Pair 4th Pair
PinNo. ofRJ45 Contact 1 2 3 6 4 5 7 8
CorrespondingRJ11 TIP1
RING1 TIP2
RING2 TIP3
RING3 TIP4
RING4
Figure1-8 SchematicDiagramofWSS120SubscriberLineConnection
Table1-20 CorrespondingRelationBetweenWSS120RJ45SocketandLineNumber
RJ45Socket No.(FromLeft
toRight) 1 2 3 4 5 6
LineNo. ofThisCard 1 ~4 5 ~8 9 ~12 13 ~16
17 ~20
21 ~24
Thereisa6 ×4LEDindicatormatrixesontheleftsideofinterfaceboard.EachrowofLED
indicatormatrixesmatchesfourtelephonelinesonaRJ45.Thefirst rowontheleftmatchesLine1-4
respectivelyfromtoptobottom,thefirstrowontherightmatchesLine21-24 respectivelyfromtop
tobottom,andthemiddlerowsinthesamemanner.
LEDindicatorsareusedformultiplepurposesasfollows
lLinestatusindication:Thisisthemostcommonmodeduringnormaluseofequipment.Inthis
mode, ifalineisidle,theindicatorcorrespondingtoitgoesoff;ifalineisincall orinusestatus
(suchasringing,offhookandcallerIDtransmissionofFXSinterface, ringing,offhookandcaller
IDdetectionofFXO interface)theindicatorcorrespondingtoitgoeson.
lLinetypeindication:Thisisthemodeforinstallationofequipmentorwiringcheck.Thismode
canbeenteredbydisconnectingthenetworkinterface(twoEthernetinterfacesonthehostare
disconnected)whenconnectinglinesatinstallationstage,orthroughinterfacecontrolwhenthe
checkismadeduringnormaloperation.Afterenteringthemode,LEDconstantonindicatesthat
thecorrespondinglineisequippedandisananalog telephoneline,LEDflashingindicatesthat
thecorrespondinglineisequippedandisananalog trunklines;LEDoff indicatesthatthe
correspondinglineisnotequippedorisfaulty.
lSystemoperationstatusindication:Thisisthemodefordisplayinginformationonsystem
operationofequipmentinspecificconditions.Usually,thismodeisenteredwhensomeprompts

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arerequiredtogiveoperatorduringequipmentstartup,diagnosisoroperation.Inthismode,LED
flashestodisplaynumbers,lettersorotherpatternsinmatrix.PleaserefertotheAppendix:
CheckList forOperationStatusIndicationofWSS120System.
Figure1-9 WSS120 BackPanel
Table1-21 WSS120 BackPanel
# Description
Ground Pole
②Indicator, seeTable1-22fordescription.
③USBinterface,reservedforfutureuse.
④Configurationinterface(CON),usedforlocal managementanddebugging.
⑤TwoEthernetinterfaces:ETH1andETH2, onlyETH1hasbeenset whenthe
equipmentisdeliveredfromfactory, default IPaddress:192.168.2.240
⑥Connectioninterfaceofexpansionchassis
⑦Coolingfan
⑧ACpowersocket,100V-240VACvoltageinput.
Table1-22 MeaningsofWSS120 Indicators
Mark Function Status Description
Green Poweron
PWR Power
Indication Off Poweroff
Off System lockedand inactive
GreenFlash Normal operation
Constant Red
System intheprocessofpowerupandnotinthe
normal operationmode
STU Status
Indication
RedFlash System inadiagnosticmodeandabletoexecute
limitedoperation
Green Noalarms
RedFlash Newalarmsoccurredbutnot confirmed
ALM Alarm
Indication Red Alarmsexistedandallalarminformation
confirmed

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WSS120 single-chassissystemcanprovideupto48-linewithdifferentanalog linetypeconfiguration
combinations,andWSS120dual-chassissystem(mainchassisandexpansion chassis)canprovide
maximumof96-linewithdifferentanalog linetypeconfiguration combination. WSS120 dual-chassis
systemisalogicalintegratedsystemformedbyaddinganexpansionchassisandinterfacecardson
topofthesinglechassissystem. Onlyanexpansion cableisrequiredtoconnectthetwochassises,
and theoriginalmainchassiswillnotbeaffectedwhenconnecting theexpansioncable,suitablefor
on-sitecapacityexpansion.Thesystemresources(eg.numberofconcurrentcalls)arecompletely
determinedbythemainchassis,souserswhoareplanningtoexpandcapacityshouldtakeinto
accounttheneedsforfuturesystemresourceswheninitiallyorderingthesingle-chassissystem, to
supportthesmoothcapacityexpansion andupgrade.
Figure1-10 SchematicDiagramforFront PanelofWSS120 Dual-ChassisSystem
Numberingdefinitionofsysteminterfaceslots:Ontheleftsideofmainchassisis#1slot(marked
with ①inFigure1-10),ontherightsideofmainchassisis#2slot(markedwith ③intheFigure
1-10),ontheleft sideofexpansionchassisis#3 slot(markedwith ②intheFigure1-10),andonthe
rightsideofexpansionchassisis#4slot, markedwith ④inFigure1-10).
Figure1-11 SchematicDiagramforBackPanelofWSS120 Dual-ChassisSystem
WSS120dual-chassissystemconsistsofamainchassisandanexpansion chassis.Seenfromthe
front,it isdifferentfromthescreen-printedmark:mainchassisprintedwith"WSS120-MAIN" mark
and expansionchassisprintedwith"WSS120-EXT"mark.Seenfromtheback,thedifferenceis
obvious:expansionchassisdoesnothavestatusindicator,USBinterface,CONinterfaceandtwo
Ethernetinterfaces.Themainand expansionchassiseshavetheirownindependentpowersupplyand
coolingsystem, whichareconnectedbya36-coreflatcabletoformalogicalintegratedsystem.
Toensurethereliablecommunicationsbetweentwochassisesand reduceEMIinterference,the
communication cableforconnectingtwochassisesshouldbeshort. WSS120dual-chassissystem
mustbeplacedadjacentlyininstallation(userswhoplantoexpandcapacityshouldreserveaspace
forexpansionchassisduringtheinitialinstallationofsinglechassis),theup orlowerpositionisnot
strictlyrequiredforthechassises.