ZyXEL Communications Omni TA128 User manual

OmniTA128
User’sManual
Version2.0
ZyXEL
ACCESSINGINTERNET&INTRANET

ii
ZyXEL LimitedWarranty
ZyXELwarrantstotheoriginalenduser(purchaser) thatthis
productisfree fromanydefectsinmaterialsorworkmanshipfora
periodofup totwo(2)yearsfromthedateofpurchase.Duringthe
warrantyperiod,anduponproofofpurchase,shouldtheproduct
haveindicationsoffailureduetofaultyworkmanshipand/or
materials,ZyXELwill,atitsdiscretion,repairorreplace the
defectiveproductsorcomponentswithoutchargeforeitherpartsor
labor,andtowhateverextentitshall deemnecessarytorestorethe
productorcomponentstoproperoperatingcondition.Any
replacementwill consistofaneworre-manufacturedfunctionally
equivalentproductofequalvalue,andwill besolelyatthediscretion
ofZyXEL.Thiswarrantyshall notapplyiftheproductismodified,
misused,tamperedwith,damagedbyanactofGod,orsubjectedto
abnormalworkingconditions.
Note:Repairorreplacement,asprovidedunderthiswarranty,isthe
exclusiveremedyofthepurchaser.Thiswarrantyisinlieuofall other
warranties,express orimplied,includinganyimpliedwarrantyof
merchantabilityorfitness foraparticularuseorpurpose.ZyXEL
shall innoeventbeheldliableforindirectorconsequentialdamages
ofanykindorcharactertothepurchaser.
Toobtaintheservicesofthiswarranty,pleasecontactZyXEL’s
Service Center,refertotheseparateWarrantyCardforyourReturn
MaterialAuthorizationnumber(RMA).Productsmustbereturned
PostagePrepaid.Itisrecommendedthattheunitbeinsuredwhen
shipped.Anyreturnedproductswithoutproofofpurchaseorthose
withanout-datedwarrantywill berepairedorreplaced(atthe
discretionofZyXEL)andthecustomerwill bebilledforpartsand
labor.All repairedorreplacedproductswill beshippedbyZyXELto
thecorrespondingreturnaddress,PostagePaid(USAandterritories
only).Ifthecustomerdesiressomeotherreturndestinationbeyond
theU.S.borders,thecustomershall bearthecostofthereturn
shipment.Thiswarrantygivesyouspecificlegalrights,andyoumay
alsohaveotherrightswhichvaryfromstatetostate.

iii
Copyright©1997 byZyXEL
Thecontentsofthisbookmaynotbereproduced(inanypartorasa
whole)ortransmittedinanyformorbyanymeanswithoutthe
writtenpermissionofthepublisher.
PublishedbyZyXELCommunicationsCorporation.All rights
reserved.
Note:ZyXELdoesnotassumeanyliabilityarisingoutofthe
applicationoruseofanyproducts,orsoftwaredescribedherein.
Neitherdoesitconveyanylicenseunderitspatentrightsnorthe
patentsrightsofothers.ZyXELfurtherreservestherighttomake
changesinanyproductsdescribedhereinwithoutnotice.This
documentissubjecttochangewithoutnotice.
Acknowledgments
Trademarksmentionedinthismanualareusedforinformational
purposesonly.
Trademarksarepropertiesoftheirrespectiveowners.
FCC Part15 Information
Thisdevice complieswithPart15 ofFCC rules.Operationissubject
tothefollowingtwoconditions:
1.Thisdevice maynotcauseharmfulinterference.
2.Thisdevice mustacceptanyinterference received,including
interference thatmaycauseundesiredoperations.
Thisequipmenthasbeentestedandfoundtocomplywiththelimits
foraCLASS Bdigitaldevice pursuanttoPart15 oftheFCC Rules.
Theselimitsaredesignedtoprovidereasonableprotectionagainst
harmfulinterference inacommercialenvironment.Thisequipment
generates,uses,andcanradiateradiofrequencyenergy,andifnot
installedandusedinaccordance withtheinstructions,maycause
harmfulinterference toradiocommunications.

iv
Ifthisequipmentdoescauseharmfulinterference toradio/television
reception,whichcanbedeterminedbyturningtheequipmentoff and
on,theuserisencouragedtotrytocorrecttheinterference byoneor
moreofthefollowingmeasures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandthereceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfrom
thattowhichthereceiverisconnected.
•Consultthedealeroranexperiencedradio/TVtechnicianfor
help.
Changesormodificationsnotexpresslyapprovedbytheparty
responsibleforcompliance couldvoidtheuser’sauthoritytooperate
theequipment.ShieldedRS-232 cablesarerequiredtobeusedto
ensurecompliance withFCC Part15,anditistheresponsibilityof
theusertoprovideanduseshieldedRS-232 cables.
ThedeclarationsofCEmarking:
TheTA128 hasbeenapprovedforconnectiontothePublicSwitched
TelecommunicationNetworkusinginterfacescompatiblewithITU-
TSS recommendationI.420 (BasicRateISDN useraccess).The
TA128 complieswiththefollowingdirectives:
1.TheCouncil Directive89/336/EECof3May1992 onthe
approximationofthelawsoftheMemberStatesrelationto
ElectroMagneticCompatibility.(EMCDirective)
2.Council Directive91/263/EECof29 April 1991 onthe
approximationofthelawsoftheMemberStatesconcerning
telecommunicationterminalequipment.(TheTelecomTerminal
EquipmentDirective)

v
3.93/68/EECof22 July1993 amendingtheDirectives
89/336/EEC,91/263 /EECand92/31/EEC.(MarkingDirective)
4.Council Directive73/23/EECand93/68/EECof26 Dec 1996 on
theharmonizationofthelawsoftheMemberStatesrelationto
electricalequipmentdesignedforusewithincertainvoltage
limits.
5.TheCouncil Directive92/31/EECof28 April 1992 amending
directiveontheapproximationofthelawsofthememberstates
relatingtoElectroMagneticCompatibility.
ContactingZyXEL
IfyouhavequestionsaboutyourZyXELproductordesire
assistance,contactZyXELCommunicationsCorporationinoneof
thefollowingways:
•Phone:InNorthAmerica call between8:00 AMand5:00 PM
PSTat(714)693-0808
OutsideNorthAmerica,youcandial+886-3-5783942 EXT252
between8:00AMand5:00PMTaiwantime(GMT+8:00).
•Fax:ZyXELinNorthAmerica:[phone] orTaiwan:
[phone]
•E-mail:
•Salesinquiries:[e-mail]
[e-mail].
•Technicalsupport:[e-mail]
[e-mail].
•Productinformation:VisitoursiteontheWorldWideWeb:
http://www.zyxel.com.
•FTP:Information,suchasZyXELsoftwareandROMupdates
forNorthAmerica canbefoundatthisFTPaddress:
ftp.zyxel.com

vi
ForEuropeanversionsandrelatedfiles,usetheaddress:
ftp.zyxel.co.at
•PostalService:Youcansendwrittencommunicationsatthe
followingaddress:
ZyXELCommunicationsCorporation
6,InnovationRoadII,Science-BasedIndustrialPark
Hsinchu,Taiwan300,R.O.C.
or
ZyXELCommunicationsInc.
4920 E.LaPalmaAvenue
Anaheim,CA92807,U.S.A.

vii
TableofContents
ZyXELLimitedWarranty....................................................... ii
FCC Part15 Information....................................................... iii
ContactingZyXEL................................................................. v
1Introduction......................................................................1
KeyFeaturesoftheTA128 .....................................................2
SpeedandCompatibility.........................................................2
IntelligentFeatures.................................................................2
TechnicalSpecifications.........................................................3
PhysicalCharacteristics..........................................................3
U-Interface Option.................................................................4
UnpackingYourTA128..........................................................4
HowtoBecomeaRegisteredOwner......................................4
2InstallingyourTA128.......................................................5
BackPaneloftheTA128.........................................................5
ConnectingYourTA128 tothePowerSupply.......................6
ConnectingtheTA128 toYourComputer.............................6
ConnectingtheTA128 toyourComputerSerialPort.............7
ConnectingtheTA128 toYourISDN Line............................8
UInterface Model..................................................................8
S/TInterface..........................................................................9
PowerOnand SelfDiagnostics...............................................9
TA128 FrontPanel................................................................ 10
TheLEDIndicators.............................................................. 10
FrontPanelSwitch............................................................... 11
3ConfiguringYourISDN LineandNetwork...................13
ConfiguringYourTAusingaConfigurationUtility........... 13

viii
ConfiguringyourTAusingaTerminalprogram................ 14
4ISDN CommunicationBasics........................................17
UnderstandingATCommands............................................. 17
SupportedATcommandtypes:............................................ 18
QuickTipswhenissuingATcommands:.............................. 18
OutgoingCalls....................................................................... 19
DialingoutusingISDN mode............................................... 19
DialingoutusingISDN mode’soptionalSpeechBearerService
............................................................................................ 19
DialingoutforAnalogAdapterPort1.................................. 20
DialingoutforAnalogAdapterPort2.................................. 20
Manuallyswitchingcommunicationmodes........................... 20
PlacingtheCall .................................................................... 21
IncomingCalls....................................................................... 21
DigitalData.......................................................................... 22
DeterminingthePacketLength............................................. 22
AnsweringaCall usingMSN................................................ 23
DataoverSpeechChannel.................................................... 24
Best-effortcall answering..................................................... 24
Ambiguityresolutionswitchforvoice calls........................... 25
Multiauto-answeringofdatacalls........................................ 25
5SetupforWindows95 andNT4.0................................27
InstallingtheWindows95 Driver(INFfile)......................... 27
ConfiguringWindows95 Dial-UpNetworking.................... 30
CAPIInstallation................................................................... 34
6Point-to-PointProtocol(PPP).......................................36
Introduction........................................................................... 36
Featurelist............................................................................. 37
AsynctoSyncConversion.................................................... 37
Authenticationconversion.................................................... 37
CompressionControlProtocol(CCP).................................. 38
MultilinkPPP....................................................................... 39

ix
Call bumping........................................................................ 39
BandwidthOnDemand(BOD)............................................. 40
BACP/BAP.......................................................................... 41
7V.110 andSynchronousModeCommunications........43
AnsweringaV.110 call.......................................................... 43
MakingV.110 Calls............................................................... 44
SynchronousConnections..................................................... 44
V.25bisCommandSet.......................................................... 45
DTRDrop-DialingOperation............................................... 46
8V.120 ISDN Communications........................................49
Placingoutgoingcalls............................................................ 49
ConfiguringtheV.120 mode................................................ 50
DialinginV.120 mode.......................................................... 51
Answeringincomingcalls...................................................... 51
Speedsof128Kbps................................................................ 52
Identifyingyourlineprovisioning.......................................... 52
MakingaBundledCall withV.120....................................... 52
Dialingpre-storedphonenumbers........................................ 53
ErrorCorrectionand DataCompressionwithV.120.......... 54
BundleConnectionwithV.42bisDataCompression............. 55
SelectingV.120 forEuropeanISDN (DSS1)......................... 55
SelectingV.120 forGermanyNationalISDN (1TR6).......... 55
9X.75 ISDN Communications(Europe)..........................57
AnsweringanX.75 call.......................................................... 58
MakinganX.75 Call ............................................................. 58
MakingaBundledCall withX.75......................................... 59
DialingPre-storedPhoneNumbers....................................... 60
InvokingV.42bisDataCompression.................................... 60
BundleConnectionwithV.42bisDataCompression............. 61
10 HandlingAnalog Calls.................................................63

x
PlacingaCall fromtheAnalog Adapter.............................. 64
AcceptinganIncomingCall.................................................. 65
FeaturePhone........................................................................ 67
TheFlashkey....................................................................... 67
InterCom.............................................................................. 67
Call Waiting......................................................................... 68
Placingasecondcall............................................................. 68
Receivingasecondcall......................................................... 68
Call Broker.......................................................................... 69
Call Reject............................................................................ 69
Call Transfer........................................................................ 69
Three-wayConference Call .................................................. 69
11 AdvancedISDN Call Control.......................................71
Call ControlforDSS1(DigitalSubscriberSignaling#1)..... 71
ControlofOutgoingService Indicator.................................. 71
ControlofISDN PhoneNumberandSub-address ................ 73
Call Controlfor1TR6(OldGermanISDN)......................... 74
ControlofOutgoingService Indicator.................................. 75
ControlofENDGERÄTEAUSWAHLZIFFER(EAZ).......... 75
AnsweringaCall ................................................................... 77
AnsweringaCall forDSS1................................................... 77
AnsweringaCall for1TR6................................................... 78
Best-effortCall Answering................................................... 78
AmbiguityResolutionSwitchforVoice Calls....................... 79
Multi-Auto-AnsweringofDataCalls.................................... 79
DataCall Indication.............................................................. 80
Disableinboundcall connection............................................ 81
Point-to-PointConfiguration................................................ 81
PlacingaCall......................................................................... 81
Placingacall forDSS1......................................................... 81
Placingacall for1TR6......................................................... 82
LeasedLineISDN ................................................................. 83
12 SecurityFunctions.......................................................85

xi
SecurityTypesand Levels..................................................... 85
Level1security.................................................................... 86
Level2security.................................................................... 86
Level3security.................................................................... 86
Settingand ModifyingPasswords........................................ 87
Non-passwordAutoCall BackFunction.............................. 88
13 UpgradingYourTA128................................................90
UpgradingwithFlashEPROM............................................ 90
KernelMode........................................................................ 91
14 DTEPort2....................................................................92
SelectionoftheTwoDTE PortMode................................... 92
ConfiguringDTE Port2........................................................ 93
Basic"AT"CommandSet.................................................... 94
Extended"AT&"CommandSet........................................... 97
SettingofDTE port2Speed................................................ 98
DTE Port2Call Control....................................................... 98
15 Diagnostics ................................................................100
Diagnostics........................................................................... 100
Power-onSelf-test.............................................................. 100
ISDN Loopbacktest(AT&T9)........................................... 101
LoopbackwithSelf-test(AT&T10).................................... 101
B1/B2LoopbackwithSelf-test(AT&T11)......................... 101
TheDiagnosticCommand(ATCG).................................... 102
ResettingTheTA128........................................................... 102
UsingTheEmbeddedProtocolAnalyzer............................ 103
CapturingtheProtocolData............................................... 103
AnalyzingtheCapturedData.............................................. 105
16 ATCommandSetReference.....................................108
OperationModesoftheDTE Interface.............................. 108
Simplexmode..................................................................... 108
Multiplexmode.................................................................. 108

xii
ATCommand Descriptions................................................. 109
Basic"AT"CommandSet.................................................. 109
DescriptionofATI3Output:.............................................. 117
Extended"AT&"CommandSet......................................... 118
Extended"AT*"CommandSet.......................................... 122
17 StatusRegistersandResultCodes.........................126
Viewingand SettingS-Registers......................................... 126
ViewingS-registers............................................................ 126
SettingS-registers.............................................................. 127
S-RegisterDescriptions....................................................... 128
BasicS-Registers"ATSn=x".............................................. 129
ExtendedS-Registers"ATSn=x"........................................ 129
"ATXn"ResultCodeOptionTable..................................... 147
ResultCodeChartSymbolReference................................. 149
ResultCodeFieldDescriptions........................................... 149
ConnectStringsforErrorCorrectedConnections............... 150
18 PhoneJack PinoutAssignments.............................151
19 SerialPortInterface...................................................153

1
1Introduction
CongratulationsonyourpurchaseofaZyXELOmniTA128.The
TA128 setsnewprice/performance standardsfortheexplosively
growingInternetandtelecommutingapplicationsmarket.
Whenusedwithoff-the-shelfInternetorremoteaccess client
software,theTA128 enablesmobileorhomeuserstoconnecttothe
InternetorbranchofficesoverISDN linesHassleFree!Thesame
device alsoallowsausertoconnecttotheanalogworldviaa
modem,faxmachine,ortelephoneconnecteddirectlytotheTA128.
Totakeadvantageofconstantnewdevelopments,theTA128
employsflashEPROM,whichallowforconvenientuploadingof
newlyavailablefirmware,preservingyourhardwareinvestment.
TheTA128 supportsbothDandBChannelsprotocols.FortheD
Channel,itsupportsDSS1,1TR6,DMS-100,AT&TCustom,and
NI-1.FortheBChannels,X.75 SLIP,V.120,V.110,PPP Async-
to-syncConversionandBundle(128Kbps).
ZyXEL’sexpertiseindatacompressionhasbeenbroughttothe
TA128.WithitsV.42biscompressionontheBChannelsusingeither
X.75,V.120,orSTAC/LZScompressionoverPPP/MPtheTA128
caneffectivelycommunicateatspeedsup to460KbpsoverISDN
lines.
TheTA128 alsohastwoanalogportsforhandlingfaxmachines,
modems,andtelephones.Twodifferentanalogdevicescan
communicateoverthetwoBchannelstotwodifferentlocations
simultaneously,soyoucansendafaxandmakeavoice call atthe
sametime.Theanalogportsalsorecognize standardDTMFtonesas
well aspulsedialing.

2
KeyFeatures oftheTA128
SpeedandCompatibility
•Plug andPlaysupportforWin95 environment.
•Full compatibilitywithbothISDN andremotePSTNviaISDN.
•Supportsleasedlineoperation.
•Multiplesignalingprotocolcompatibilitywiththefollowing
networkswitches:DSS1,1TR6,NI-1,AT&T5ESS,and
NorthernTelecomDMS100.
•SupportsX.75,V.110,V.120,andPPP Async-to-Sync
ConversionBChannelprotocols.
•BChannelspeedsof56Kbps(in-bandSignaling)and64Kbps
(out-of-bandSignaling).
•112Kbps/128Kbpschannelbundling:MLP,CCB,andMultilink
PPP(RFC1661).
•V.42bisdatacompressionusingtheX.75,V.120,andBundle
protocols.
•STACdatacompressionusingPPP/MP
•Twoapplicationprograminterfaces:
•ZyXELISDN ATCommands
•CAPI1.1aandCAPI2.0.
IntelligentFeatures
•AutomaticISDN/analogcall detection.
•FeaturePhoneoperation,includingcall back,broker,andthree-
wayconferencing.
•TwoindependentDTE ports:
•DTE Port#1
Asynchronous:AutoBaud Rateup to460.8Kbps

3
Synchronous:ConfigurableRateup to128Kbps
• DTE Port#2
Asynchronous:DataRateup to115.2Kbps
•Twoanalogtelephonejacks(analogadapters)withmetering
pulsefunction.
•Built-ininternalspeakerwithvolumecontrol.
•Push-buttonswitchforquickdialandteardown.
•Call-backsecuritywithpasswordprotection.
•FlashEPROMmemoryforeasyfirmwareupgrades.
TechnicalSpecifications
•StatusDisplay:10 LEDindicators.
•FlowControl:SoftwareXON/XOFF orhardwareCTS/RTS.
•ConfigurationSetting:Softwareprogrammablewith
nonvolatilememoryforprofilestorage.
•Diagnostics:Selfandloopbacktests.
PhysicalCharacteristics
•LineInterface
RJ-45 forS/TorUinterface,RJ-11 forphoneconnection.
•DTE Interface
DB-25 connectorforDTE Port1.
DB-9connectorforDTE port2.
•Weight(g)
383
•Dimensions(cm)
L-18.1xW-13.5xH-3.7

4
U-Interface Option
ForNorthAmericanISDN,ZyXELprovidesanoptional2B1QU-
interface whichallowsdirectconnectiontothenetworkwithoutthe
useofanexternalNT-1device.
Unpacking YourTA128
YourTA128 shouldcomewiththeequipmentlistedbelow.Ifany
itemismissingordamaged,contactyourdealerorZyXELCustomer
Service Departmentimmediately.
1.One(1)TA128 ISDN TerminalAdapter.
2.One(1)poweradapter.
3.Two(2)RJ-11 telephonecables.
4.One(1)RJ-45 ISDN telephonecable.
5.One(1)6'shieldedRS-232 25-pinto25-pincable.
6.One(1)3.5"driverandutilitydisk.
7.One(1)warranty/registrationcard.
8.One(1)TA128 User'sManual.
HowtoBecomeaRegisteredOwner
Completethepre-addressedregistrationcardandplace itinthemail.
Registeredownerswill receivefutureproductinformationand
updateannouncement.Saveyourdatedinvoice asproofofpurchase.

5
2Installing yourTA128
Back PaneloftheTA128
Youwill findthefollowingswitchandconnectorsonthebackpanel
oftheTA128:See thefigurebelow:
ON/OFF -Powerswitch;turnstheTA128 ON orOFF.
POWER-Inputterminalforpoweradapter.
ToDTE 1-SerialportDB25 femaleconnectorforconnectiontothe
serialportofaDTE (computer/terminal).
ToDTE 2-SerialportDB9femaleconnectorforconnectiontothe
serialportofaDTE (computer/terminal).
ISDN -ISDN RJ-45 terminaljack;connectstoaS/Tinterface oraU
interface (dependingontheTA128 modelpurchased).
PHONE1-RJ-11 terminaljackforanalogadapter1;forconnecting
toanalogequipment.(phone,fax,answeringmachine,etc.)
PHONE2-RJ-11 terminaljackforanalogadapter2;forconnecting
toanalogequipment.
O NOTE:The signal-pinassignmentofthe RJ-45 and RJ-11 phone
jacks arelisted inChapter18.
Figure2-1TA128 BackPanel

6
Connecting YourTA128 tothePower
Supply
ToConnectyourTA128 tothepowersupply,followthestepsgiven
below:
1.Turnoff yourcomputer.
2.MakesurethepowerswitchontheTA128 isintheOFF (down)
position.
3.ConnecttheroundendofthepoweradaptertothePOWER
JACKontheTA’sbackpanel.
4.Plug thepowersupplyunittoanACwall jackthenpoweronthe
TA128.
5.ObservetheLEDlightstatusonthefrontpanelofyourTA128
andmakesurePWRLEDison.
O NOTE:UseonlythepoweradaptersuppliedwithyourTA.Neveruse
apoweradapterdesigned foradifferentproduct.
Connecting theTA128 toYourComputer
YourTA128 comeswitha25 pin,maletofemalecable,whichisto
beusedtoconnectthemainserialportofTA128 toyourcomputer
serialportasseeninthefigurebelow:

7
ConnectingtheTA128 toyourComputer SerialPort
Figure2-2ConnectingtheTA128 toYourComputer
CompletethefollowingstepstoconnecttheTA128 toyour
computer:
1.Turnoff thepowertoyourcomputer.
2.Connectthemaleendofthe25 pincabletoserialport1.
3.Connecttheotherendofthecable(femaleend)toyour
computer’sserialport.Incaseyourcomputeronlysuppliesa9
pinserialconnector,youwill needtousea25 pinto9pin
converter(9pinfemaleto25 pinmale).Ifyouhaveanothertype
ofserialportconnector,suchasontheMacintosh,youwill need
aspecialcablefortheconnection.
4.Once theconnectionismade,turnthecomputerbackon.

8
Connecting theTA128 toYourISDN Line
TheTA128 comeswithachoice oftwotypesofISDN line
interfaces:
•S/Tinterface -ThiscanonlyconnecttoyourNT-1(Network
Termination)device.
Warning:Donotunderanycircumstancesconnectdirectlytothe ISDN
wall jack.
•Uinterface -ThisallowsyoutoconnectdirectlytoyourISDN
wall jack.
Warning:The ISDN jack isforISDN line connection only.Connection
ofaphone line mayresultindamagetoyourTerminal
Adapter.
Attention:La fiche ISDN estdestinéeuniquementpourla
connexion surune ligne RNIS.La connexion surune ligne
téléphonique peutendommagervotreadaptateurde
terminal.
UInterface Model
IfyouhavepurchasedtheTA128 U-interface model,youcan
connecttheU-Interface directlytothewall jack.
Inmostcases,theISDN jackinstalledbythephonecompanyisa
RJ-11 jack(exceptinCanada,whereRJ-45 jackwill beinstalled),
andtheU-Interface jackonthebackoftheTA128 isaRJ-45 jack.A
RJ-45 toRJ-45 (orRJ-11 toRJ-45,dependsonyourregional
distributor’srequest)phonecableisincludedwithyourTA128.
ToconnecttheTA128 toyourISDN line:
•ConnecttheRJ-45 connectortothe“ISDN U”jackontheback
oftheTA128.
•ConnecttheotherendoftheRJ-45 cable(orRJ-11)toyourwall
jack.