3Com 005699-00 - User manual

1Prepare for installation.
2
Inse
emp
Insertthem
modem wil
modembac
theslot.
READ
ME
FIRST!
partnumber1.024.1947
PCI Faxmodem
Installation
Guide
ForWindows®
For trouble
contact tec
this Guide.
Themodem
on the back
withthescr
computer’s
NOTE:
Properly seating this modem in the slot can be
difficult,becauseitrequires more force than some other
internal modems. Use firm downward pressure. When
themodem is properly installed, you will
any part of the gold edge

Insertthemodemintothe
emptyPCIexpansion slot.
rtthemodem,goldedgefirst,intotheslot.The
em will fit snugly. You may need to rock the
embackandforthfirmlytoproperlyseatitinto
slot.
troubleshooting help or to find out how to
act technical support, see the other side of
Guide.
modem’smetalbracketwillcovertheopening
he back of the computer. Secure the modem
thescrewyouremovedinstep1.Replacethe
puter’scover.
OTE:
Properly seating this modem in the slot can be
difficult,becauseitrequires more force than some other
internal modems. Use firm downward pressure. When
themodem is properly installed, you will
no longer see
any part of the gold edge
.
4
Install the modem driver
If you are running Windows 95 and you are
whatversionyouhave,right-click
My Compu
select Properties , and click General
. Your o
system is listed under “System.”
If you have Windows 95 Version A:
Turn your computer on. When the “New Hard
Found” screen appears,
insertyourdriverdiske
your 3.5-inch drive and choose
then click .
Type A:\ in the box and then click
3.5-inch drive uses a different letter, type th
in place of “A.”
If you have Windows 95 Version B:
Turn your computer on. When the “Update
DriverWizard”screenappears,
insert yourdrive
into your 3.5-inch drive and insert your driver disk
click
NOTE:
If your computer does not immediately detect
new hardware, shut down Windows and restart your
computer. If it still does not detect new hardware, you
will need to complete this step manually. Click
Settings, and then Control Panels
. Double-click
Modems, and click Add
. Follow the onscreen
instructions for a manual installation.

6Installthe Connections
TM
CDand
When your desktop returns, verify that your modem is
properly installed. Click , point to ,
and click . Double-click the Modems
icon. When the “Modems Properties” screen appears,
youshouldseeadescriptionofyourmodem.Windows
NT users will also see a COM port setting. If you have
Windows 95 or 98, click the tab,and then
click the COM port next to the description of your
modem. Write down the COM port to which your
modem is assigned (for example, ) in the
box below.
Click . When the modem’s command set
appearsinthebox,youwillhaveconfirmationthatyour
modem is functioning properly. If you do not see the
command set, see the Troubleshooting section on the
back of this Guide. Click then click
.
COM Port:
Your Modem Description Here
Your Modem Description
Here
5Verifythatthemodemis
properly installed.
drivers.
you are unsure
Computer ,and
. Your operating
ew Hardware
verdisketteinto
and
. If your
type that letter
“Update Device
yourdriverdiskette
driver diskette into
If your computer does not immediately detect
new hardware, shut down Windows and restart your
computer. If it still does not detect new hardware, you
will need to complete this step manually. Click
Start,
Control Panels
. Double-click
. Follow the onscreen

3
Con
1Prepare for installation.
Write the modem’s serial number in the box below.
The serial number is located on the white bar code
sticker on the modem and on the modem’s box.
CAUTION: To avoid risk of electrical shock, make
sureyourcomputer andallperipheraldevices areturned
off and unplugged from electrical outlets.
Shut down Windows. Turn off your computer and all
peripherals. Unplug your computer, and remove the
computer’s cover.
Unscrew and remove the expansion slot cover at the
backof an emptyPCI expansion slot.The slotcoveris
located on the back of the computer and covers an
opening on the computer case. The opening lines up
with the slot (inside the computer), which is usually
white plastic lined with metal.
When you a
telephone
telephone’s
NOTE: Beforeyou begin, we recommend youuninstall
any other modems you have in your system. Click
Windows Start, Settings, and then Control Panels,
Double-click Modemsto see ifthere are any previously
installed modems on your system. Refer to your
modem’sdocumentationforinstructions.Ifyou have an
olderU.S.Roboticsmodem,see the “UninstallingaU.S.
RoboticsModem” chapter in your manual.
Plug one en
jack on the
end into an

Connect the modem to an
analog phone line.
en you are not using the modem, you can use a
phone on the modem’s phone line. Plug the
phone’scordintothemodem’sjacklabeled
.
g one end of the provided phone cord into the
on the modem labeled and plug the other
into an analog phone wall jack.
DriverWizard”screenappears,
insert yourdrive
into your 3.5-inch drive and insert your driver disk
your 3.5-inch drive and click .
Click
. When the “Insert Disk”
appears, make sure you have the driver
inserted into the computer’s 3.5-inch
driv
. When the “Copying Files”
appears, type A:\ in the box and click
IfyouhaveWindows98:
Turn your computer on. When the “Add New H
Wizard”screenappears,insertyourdriverdiskette
3.5-inch drive and click . Select
Search
best driver for your device and click
Floppydiskdrives
. Ifthelocationofyour3.5-inc
notA:\changeitonthebottomsectionofthisscr
. You will be prompted to repeat this
toinstallthevoicedriverfiles.
IfyouhaveWindowsNT:
Turnyourcomputeron.Insertyourdriverdiskette
3.5-inch drive before you log in. Double-click
Computer icon. Double-click your a:\
drive icon.
clickSetup.exe
.Whenthe“ModemSetup”screen
click Install. When you see the Resources
tab
see the COM port that is assigned to your mod
. When the “System Settings Change”
appears,clickYes to restartyour computer.

InserttheConnectionsCDintoyourCD-ROMdrive.The
CD’s installation utility should start automatically. If it
doesnot,click andthenclick .Inthe
box,typeD:\setup.exeandthenclick .Ifyour
CD-ROMdrive usesa differentletter, type that letter in
place of “D.”
The Setup Wizard on the CD guides you through
installing the Connections program group and
registering your modem.
ForinstructionsonhowtoinstallsoftwarefromtheCD,
seethe“SoftwareInstallation”chapterintheelectronic
User’s Guide & Reference on the CD.
6Install the ConnectionsTM CD and
register your modem.
3Com and U. S. Robotics are registered trademarks; x2 andConnections are trademarks of 3Com Corporation. Windows is a
registered trademark of Microsoft Corp. All other trademarks are used for identification purposes only and may be trademarks
and/or registered trademarks of their respective companies. Copyright ©1998 3Com Corporation. All rights reserved.
IMPORTANT! In accordance with the ITU-T standard for 56K transmissions, this modem is capable of receiving downloads at up
to56 Kbps andsending at upto31.2 Kbps. Dueto FCC regulationsonpower output, receivingspeeds are limitedto53 Kbps.
Actual speeds may vary. This product requires compatible analog phone line and server equipment. See www.3com.com/56k
for details.
yourdriverdiskette
driver diskette into
rt Disk” screen
driver diskette
nch
drive. Click
Files” screen
k
.
d New Hardware
rdisketteintoyour
ct
Search for the
. Select
ur3.5-inchdriveis
fthisscreen.Click
peat this process
disketteintoyour
ble-click the
My
rive icon. Double-
p”screenappears,
rces
tab, you will
our modem. Click
Change” window
ter.

Troubleshooting
Windows®95UsersReadThisFirst!
1. ClickWindowsStart, pointtoSettings ,and click
Control Panel.
2. Double-clicktheModems icon.
3. ClicktheDiagnostics tab.
4. Click the COM port that your modem is assigned to so that
itishighlighted.
Ifyou do not see your modem onthis screen, you need to exit
the “Modems Properties”screen by clicking Cancel.Click
Start,ShutDown ,selecttheShutdownthecomputer? option,
and then click Yes.When your computerhas shut down, turn it
offandunplugitfromitspoweroutlet.Uninstallthe modem from
the computer. If it is an external, unplug its serial cable from the
computer’sCOMport.Ifitis an internal,unplugthephoneline
andyourtelephonefromthemodem’sPHONEandTELCO
jacks.Thenremovethecomputer’scaseandremovethe
modem from its slot. Reinstall the modem using the instructions
in the electronic Installation Guide on the included CD, this time
usingadifferent slotforyourinternal modemoradifferent COM
portforyourexternalmodem.
5. ClickMoreInfo . Youshouldseealistofthe modem’sATI
commands.ClickOK andexit all open screens.
IftheATIcommandsdonotappear,continue reading to
troubleshootyourmodem.
Problem:Thecomputerorsoftwarewillnotrecognizethemodem.
Possiblesolution:
YoumayhaveanIRQconflict.Ifyouhaveaninternalmodeminstalledinan
ISA slot ona Windows 95 system:
1.Right-clicktheMyComputer icononyourdesktop.
2.ClickProperties .
3.ClicktheDeviceManager tab.
•Ifyouseeayellowexclamationpointoveryourmodem,you
havearesourceconflict,anditisprobablyanIRQconflict.
•Ifyoudonotseeayellowexclamationpoint,youmaystillhave
anIRQconflict.Continuewiththenext“Possiblesolution:”inthis
section.Iftheremaining“Possiblesolutions:”donotsolveyour
problem,continuewithstep4below.
4.Clickthe modem’s name to select it.
5.ClickRemove.
6.Youwillbeaskedifyouaresureyouwanttoremovethe
device.ClickOK.
7. Whenthe“ConfirmDeviceRemoval”screendisappears,shut
downWindowsandturnoffyourcomputer.
8.Unplugthecomputerfromitselectricaloutlet.
9.Removethecomputer’scover,andphysicallyremovethemodem
fromitsslot.
10.ReinstallthemodemusingtheInstallationGuideinstructions.
Useadifferentslotfromthe one usedintheinitialinstalla-
tion.
Possiblesolution:
Youmayhavepluggedyourmodem’sphonecordintoadigitalline.
Pluggingyourmodem’sphonecordintoadigitalphonelinecan
damagethemodem.Callyourphonecompanyifyouareunsure
whetherornotyourphonelineisdigital.
Possiblesolution :
Ifyouhaveanexternalmodem,youmaybeusingthewrongpower
adapterforyourmodem.Useonlythepoweradapterthatcamewith
yourmodem.
Possiblesolution:
Yoursoftwaremaynothaveautoanswerenabled.Enabletheauto
answerfeature.Inyourcommunicationsoftware’sterminalmode,type
ATS0=1(ATS“zero”=1)andpressENTER.
Youneedtoenableautoanswerbeforeeverysessionunlessyoualter
yoursoftware’sinitializationstringtopermanentlyenableautoanswer.
Possiblesolution:
Ifyouhavevoicemail,yourdialtonemaybealteredbecausemes-
sagesarewaiting.Answeryourvoicemailtorestoreyournormaldial
tone.
_________________________________________________________
Problem:Bothmodemssoundliketheyareexcha
theyfailtoestablishaconnection.
_________________________________________________________
Possiblesolution:
Youmayhaveapoorlineconnection.Placethecallagain.Callsare
routeddifferentlyeachtime.Toverifyavalidphoneconnection,enter
yourcommunicationsoftware’sterminalmode
andtype
ATDT18472626000andpress ENTER.
Thisdials
Ifyou must dial a number(suchas “9”) to reach anoutsideline, type
thatnumberrightafterATDT.
_____________________________________________________
Problem:Your56Kmodemcannotachievea56KIn
_________________________________________
Possiblesolution:
V.90 supports speeds of up to 56K. Due to phone line restrictions,
actualspeedswillvary;thisdoesnotmeanyouhavenotachieveda
V.90connection. Ourresearchshowsthatthe vastmajorityof
telephonelinesinNorthAmericasupportV.90connections.However,
duetounusualoroldtelephonelineconfigurations,someuserswill
notbeabletotakefulladvantageofthistechnology.Ifthisisthecase,
your3Commodemwilluseitsbackwardcompatibilitytonegotiatea
speedcompatiblewithyour phoneline,suchasV.34.
Itisimportanttorememberthatyourlineconditionsmaychange,so
youmaybeabletomakefasterconnectionsinthefuture.Tomake
surethatyoucanuseV.90or3Com56Ktechnology,performthe
followingtests:
First,makesureyourmodemsupportsV.90. Youcanverify

Youmayhavepluggedyourmodem’sphonecordintoadigitalline.
Pluggingyourmodem’sphonecordintoadigitalphonelinecan
damagethemodem.Callyourphonecompanyifyouareunsure
Ifyouhaveanexternalmodem,youmaybeusingthewrongpower
adapterforyourmodem.Useonlythepoweradapterthatcamewith
Yoursoftwaremaynothaveautoanswerenabled.Enabletheauto
answerfeature.Inyourcommunicationsoftware’sterminalmode,type
R
.
Youneedtoenableautoanswerbeforeeverysessionunlessyoualter
yoursoftware’sinitializationstringtopermanentlyenableautoanswer.
Ifyouhavevoicemail,yourdialtonemaybealteredbecausemes-
sagesarewaiting.Answeryourvoicemailtorestoreyournormaldial
_________________________________________________________
areexchangingtones
,but
_________________________________________________________
Youmayhaveapoorlineconnection.Placethecallagain.Callsare
routeddifferentlyeachtime.Toverifyavalidphoneconnection,enter
yourcommunicationsoftware’sterminalmode
andtype
Thisdialsthe3ComBBS.
Ifyou must dial a number(suchas “9”) to reach anoutsideline, type
_____________________________________________________
vea56KInternetconnection.
__________________________
V.90 supports speeds of up to 56K. Due to phone line restrictions,
actualspeedswillvary;thisdoesnotmeanyouhavenotachieveda
V.90connection. Ourresearchshowsthatthe vastmajorityof
telephonelinesinNorthAmericasupportV.90connections.However,
duetounusualoroldtelephonelineconfigurations,someuserswill
notbeabletotakefulladvantageofthistechnology.Ifthisisthecase,
your3Commodemwilluseitsbackwardcompatibilitytonegotiatea
speedcompatiblewithyour phoneline,suchasV.34.
Itisimportanttorememberthatyourlineconditionsmaychange,so
youmaybeabletomakefasterconnectionsinthefuture.Tomake
surethatyoucanuseV.90or3Com56Ktechnology,performthe
First,makesureyourmodemsupportsV.90. Youcanverify
Possiblesolution:
IfyouhaveaWinmodemmodem,checkwiththesoftware’smanufac-
turertodeterminewhetherornotthesoftwareisfullyWindows-based.
SomesoftwarerunsinWindowsbuthasDOScomponents.Such
softwarewillnotworkwitha Winmodemmodem.
Problem:PlugandPlaydoesnotdetectyourmodem.You’veinstalled
themodemandWindowshasrestarted,butyouseeonlyyournormal
desktop.Youdonotseeanyscreensindicatingnewhardwarehasbeen
detected.
Possiblesolution:
ThePlugandPlayinstallationwasnotsuccessful.Trythefollowing:
1.ClickWindowsStart and clickShutDown .
2.Whenasked if you wishto shut down yourcomputer, click
Yes.
3.When Windows indicatesthatitissafe toturnoffyour
computer,turnitoff.
4.Wait15seconds beforeturningthecomputerbackon.
5.Windowsmaydetectyourmodemuponthisrestartevenif
itdidnotdetectthemodemduringtheinitialinstallation.
•IfyouseescreensindicatingWindowshaddetectednew
hardware,followtheon-screeninstructiontoinstallthe
modem.
•Ifyoudonotseethenewhardwarescreens,continue
with step 6.
6.ClickWindowsStart.
7. PointtoSettings .
8.ClickControlPanel .
9.Double-clicktheSystem icon.
10. ClicktheDeviceManager tabonthe“SystemProperties”
screen.
11. Lookfor“OtherDevices”or“UnknownDevices”inthelist
thatappears:
•Ifyoudonotsee either oftheseoptionsinthelist,please
seethe“SupportResources”sectionbelow.
•Ifyoudoseeoneoftheseoptions,double-clickthe
optionandcontinuewithstep12.
12. Ifthedescriptionthatappearsmatchesthemodemyou
aretryingto install, click the Remove button. Ifitdoesnot,
pleaseseethe“SupportResources”sectionbelow.
13. ClickOKwhenWindowsasksifyouwanttoremovethe
device.
14. Restartthecomputerandcontinuewiththeon-screen
instructions.Ifthecomputerdoesnotdetectthemodem
afterthissecondrestart,pleaseseethe“SupportRe-
sources”sectionbelowforadditionalhelp.
_______________________________________________________
Support Resources
Ifyouhavenotfixedaproblemaftertryingthesuggestionsinthe
AmericaOnline
Providesresourcessuchasfilelibraries,messageboards,online
customersupport,andproductannouncements.IntheKeywordfield,
type3COM.
AreYouStillHavingProblems?
1.CalltheDealerWhoSoldYoutheMode
Thedealermaybeabletotroubleshoottheproblemoverthephone
ormayrequest thatyoubringthe modembacktothe storefor
service.
2.Call3Com’sTechnicalSupportDepartm
8472625151
8:00-6:00CSTM-F
Manufacturer’sDeclarationofConfor
3ComCorporation
3800GolfRoad
RollingMeadows,IL60008
U.S.A.
declaresthatthisproductconformstotheF
Part15:
Operationissubjecttothefollowingtwoco
(1)
thisdevicemaynotcauseharmfulelect
(2)
thisdevicemustacceptanyinterferenc
interferencethatmaycauseundesired
ThisequipmentusesthefollowingUSOCja
CautiontotheUser
Theuseriscautionedthatanychangesorm
approvedbythepartyresponsibleforcomp
authoritytooperatetheequipment.
Part68:
ThisequipmentcomplieswithFCCRulesPa
ofthemodemistheFCCRegistrationNumb
Number(REN).Youmustprovidethisinform
companyifrequested.
TheRENisusedtodeterminethenumbero
connecttoyourtelephoneline.Inmostare
devicesconnectedtoonelinemustnotexc
contactyourtelephonecompanytodeterm
yourcallingarea.
ThisequipmentusesthefollowingUSOCja
Thisequipmentmaynotbeusedoncoinse
telephonecompany.Connectiontopartyli
AFCClittlhddd

Providesresourcessuchasfilelibraries,messageboards,online
customersupport,andproductannouncements.IntheKeywordfield,
theModem
Thedealermaybeabletotroubleshoottheproblemoverthephone
ormayrequest thatyoubringthe modembacktothe storefor
rtDepartment
ofConformity
mstotheFCC’sspecifications:
wingtwoconditions:
armfulelectromagneticinterference,and
nterferencereceivedincluding
undesiredoperations.
ngUSOCjacks:RJ-11C.
angesormodificationsnotexpressly
leforcompliancecouldvoidtheuser’s
ent.
CCRulesPart68.Locatedonthebottom
ationNumberandRingerEquivalence
ethisinformationtothetelephone
enumberofdevicesyoumaylegally
nmostareas,thesumoftheRENofall
ustnotexceedfive(5.0).Youshould
ytodeterminethemaximumRENfor
gUSOCjacks:RJ11C.
doncoinserviceprovidedbythe
ntopartylinesissubjecttostatetariffs.
dddlliddiththi
However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisdevicedoescauseinterferencetoradioortelevisionreception,
whichyoucandeterminebymonitoringreceptionwhenthemodemisinstalledand
whenitisremovedfromthecomputer,trytocorrecttheproblemwithoneormoreof
thefollowingmeasures:
·Reorientthereceivingantenna(fortelevisionswithantennareceptiononly)or
cableinputdevice.
·Relocatethecomputerwithrespecttothereceiver.
·Relocatethecomputerand/orthereceiversothattheyareonseparatebranch
circuits.
Ifnecessary,consultyourdealeroranexperiencedradio/televisiontechnicianfor
additionalsuggestions.Youmayfindthefollowingbooklet,preparedbytheFederal
CommunicationsCommission,helpful:
HowtoIdentifyandResolveRadio-TVInterferenceProblems
StockNo.004-000-0345-4
U.S.GovernmentPrintingOffice
Washington,DC20402
InaccordancewithPart15oftheFCCrules,theuseriscautionedthatanychangesor
modificationstotheequipmentdescribedinthismanualthatarenotexpressly
approvedby3Comcouldvoidtheuser’sauthoritytooperatetheequipment.
3ComCorporationLimitedWarranty
3Comwarrantsthishardwareproducttobefreefromdefectsinworkmanshipandmaterials,undernormaluseand
service,forthelifetimeoftheproductfromthedateofpurchasefrom3Comoritsauthorizedreseller.3Com’ssole
obligationunderthisexpresswarrantyshallbe,at3Com’soptionandexpense,torepairthedefectiveproductor
part,delivertoCustomeranequivalentproductorparttoreplacethedefectiveitem,orifneitherofthetwoforegoing
optionsisreasonablyavailable,3Commay,initssolediscretion,refundtoCustomerthepurchasepricepaidforthe
defectiveproduct.Allproductsthatarereplacedwillbecomethepropertyof3Com.Replacementproductsmaybe
neworreconditioned.3Comwarrantsanyreplacedorrepairedproductorpartforninety(90)daysfromshipment,or
theremainderoftheinitialwarrantyperiod,whicheverislonger.
YEAR2000WARRANTY: InadditiontotheWarrantystatedabove,3Comwarrantsthateachproductsoldor
licensedtoCustomeronandafterJanuary1,1998thatisdatesensitivewillcontinueperformingproperlywithregard
tosuchdatedataonandafterJanuary1,2000,providedthatallotherproductsusedbyCustomerinconnectionor
combinationwiththe3Comproduct,includinghardware,software,andfirmware,accuratelyexchangedatedata
withthe3Comproduct,withtheexceptionofthoseproductsidentifiedat3Com’sWebsite,
http://www.3com.com/products/yr2000.html
asnotmeetingthisstandard.Ifitappearsthatanyproductthatisstatedtomeetthisstandarddoesnotperform
properlywithregardtosuchdatedataonandafterJanuary1,2000,andCustomernotifies3Combeforethelaterof
April1,2000,orninety(90)daysafterpurchaseoftheproductfrom3Comoritsauthorizedreseller,3Comshall,atits
optionandexpense,provideasoftwareupdatewhichwouldeffecttheproperperformanceofsuchproduct,repair
suchproduct,delivertoCustomeranequivalentproducttoreplacesuchproduct,orifnoneoftheforegoingis
feasible,refundtoCustomerthepurchasepricepaidforsuchproduct.
AnysoftwareupdateorreplacedorrepairedproductwillcarryaYear2000Warrantyforninety(90)daysafter
purchaseoruntilApril1,2000,whicheverislater.
OBTAINING WARRANTYSERVICE: Customermustcontacta3ComCorporateServiceCenteroranAuthorized
3ComServiceCenterwithintheapplicablewarrantyperiodtoobtainwarrantyserviceauthorization.Datedproofof
purchasefrom3Comoritsauthorizedresellermayberequired.Productsreturnedto3Com’sCorporateService
Centermustbepre-authorizedby3ComwithaServiceRepairOrder(SRO)numbermarkedontheoutsideofthe
package,andsentprepaidandpackagedappropriatelyforsafeshipment,anditisrecommendedthattheybe
insuredorsentbyamethodthatprovidesfortrackingofthepackage.Therepairedorreplaceditemwillbeshipped
toCustomer,at3Com’sexpense,notlaterthanthirty(30)daysafter3Comreceivesthedefectiveproduct.Return
theproductto:
3Com
SRO#______________
Attn.Dock15PCD
1800W.CentralAve.

fromitsslot.
10.ReinstallthemodemusingtheInstallationGuideinstructions.
Useadifferentslotfromthe one usedintheinitialinstalla-
tion.
Possiblesolution:
Ifyouareusinganexternalmodem,makesurethemodemispluggedin
andturnedon.Useonlythepoweradapterincludedwiththemodem.The
CSlightonthefrontpanelshouldbeilluminated.(Aninternalmodemshould
turnonautomaticallywhenthecomputeristurnedon.)
Possiblesolution:
Youmaynotbeenteringmodemcommandsinthepropermanner.Typein
alluppercase(AT)oralllowercase(at).
Possiblesolution:
Ifyouareusinganexternalmodem,theCOMportmaynotbeenabled.
Refertoyourcomputer’smanualforinformationaboutenablingCOMports
(usuallyinvolvesalteringtheBIOSsettings,motherboardjumpers,andthe
operatingsystem).
Possiblesolution:
Youmaybeusingthewrongserialcablewithyourexternalfaxmodem.
MakesureyouareusinganRS-232modemcable.Youwillneedtomake
sureyouareusinga25-pinmaleto25-pinfemaleifyourCOMportisa25-
pinportora25-pinmaleto9-pinfemaleifyourCOMportisa9-pinport.
Problem:Themodemwon’tgooffhooktodialordoesn’tanswerthephone.
Possiblesolution:
Youmayhavepluggedyourmodem’sphonecordintothewrongjackonthe
modem.Makesurethephonecordispluggedintoajacklabeledwiththe
wordTELCO(markedwith ontheundersideofexternalmodems).
Possiblesolution:
Youmighthaveabadphonecordconnectiontoyourmodem.Thephone
cordshouldbepluggedintotheTELCOjackonthemodem(markedwith
onexternals)andthewallphonejack.Thephonecordshouldbeno
longerthan12feetinlength.Usethephonecordincludedinyourmodem’s
boxifpossible.
Possiblesolution:
Youmayhavedevicesbetweenthemodemandthephonejack.There
shouldbenolinesplitters,faxmachines,orotherdevicesbetweenthe
modemandthewalljack.Youmayhaveapoorlineconnection.Placethe
callagain.Callsarerouteddifferentlyeachtime.Toverifyavalidphone
connection,enteryourcommunicationsoftware’sterminalmodeandtype
ATDT18472626000andpress ENTER.Thisdialsthe3ComBBS.
Ifyou must dial a number(suchas “9”) to reachanoutside line, type that
numberrightafterATDT.
Itisimportanttorememberthatyourlineconditionsmaychange,so
youmaybeabletomakefasterconnectionsinthefuture.Tomake
surethatyoucanuseV.90or3Com56Ktechnology,performthe
followingtests:
1.
First,makesureyourmodemsupportsV.90. Youcanverify
thatyourmodemsupportsV.90byopening aterminal
application(RapidCommTM), typing
ati7,
ENTER
.IftheOptionslinehasV.90listed,thenyourmodem
supportsV.90and3Com56K technology.
2.
Makesurethatthenumber you’redialingisanactualV.90 or
3Com56Ktechnologyserver.SomeISPsmayhavea
mixture of V.90andnon-V.90 servers.Youcancheckthisby
contactingyourISPandaskingthemabout56Ktechnology
orV.90availability.
3.
IfitisaV.90 or 3Com56Kserver,youmaywanttotrycalling
itafewmoretimes.Remember,thephonecompanyroutes
eachcalldifferently.Fortestingpurposes,youmaywantto
callintothe3ComBBSat8472626000,which has V.90
serversattachedtoit.
4.
Ifyouareabletoconnectat V.90 speeds onthe3ComBBS,
theremaybesomething betweenyouandyourISPthatis
preventingaV.90connectionfrombeingnegotiated.Contact
yourISPandseeiftheyhavereceivedsimilarreportsfrom
othercustomers.
5.
IfyoudonotmakeaV.90 connectiontoourBBS,your
phonelinemightnotbecapableofsupportingV.90or3Com
56Ktechnologyspeeds.Ifyouareexperiencingconsistent
problemswithV.90connections(i.e.,notmakingahigh
speedconnection,abruptdisconnections,etc.),you can call
3ComTechnicalSupportforU.S.Roboticsmodemsat847
2625151.
Problem:Yourcommunicationssoftwarefailstoin
Possiblesolution:
Yoursoftware’sportsettingsmaybeincorrect.Make sure the
software’sportsettingsmatchthoseforyourmodem.
IfyouhaveanolderversionofRapidComm
software
youmustuninstall it
before installing the most recentversion(con-
tainedontheConnections
CD-ROMthatcomeswithyournewmo-
dem).Otherwise,systemconflictsmayhamper
the
software’sabilitytoworkproperly.
Possiblesolution:
Ifyouareusinganexternalmodem,makesurethemodemisplugged
inandturnedon.Useonlythepoweradapterincludedwiththemodem.
TheCSlightonthefrontpanelshouldbeilluminated.(Aninternal
modemshouldturnonautomaticallywhenthecomputeristurnedon.)