Zypcom Z34-PL Guida Utente

ZypcomData/Fax ModemsUser’s GuideZ34-SLZ34-PLPart number: 18008-513AAugust 1997

viiiZService InformationIn the event of malfunction or other indication ofproduct failure, please follow this procedure:1. Call Zypcom Technical Suppo

BAppendix B-4

APPENDIXC Modem TermsThis chapter will address some basic terminologyassociated with your modem and your communicationssoftware.ModemModem is a compou

Appendix C-2CDTE / DCEDTE stands for Data Terminal Equipment and DCEstands for Data Communication Equipment. TheComputer or terminal is the DTE and t

Appendix C-3Cresets and then configures the modem to NVRAM storedprofile 0.AT&F S0=1 &W1 &Y1&F configures the modem to factory default

Appendix C-4CData Rates and DTESpeedA data rate (or line speed) is sometimes confused with aDTE speed setting in PC software. In this manual, ATcomma

Appendix C-5CXON/XOFFA handshaking, flow control mechanism thatcommunicates that the device is ready to accept moredata. The flow control is embedded

Appendix C-6CDuplexA communication system which is capable ofcommunicating in both directions can be half duplex orfull duplex. Half duplex allows co

APPENDIXD Removing Win 95 DriversIf you have previously installed a modem profile basedupon a Cirrus Logic chipset (14.4K, 28.8K, old33.6Kbps) in the

DAppendix D-2One way to find these keys is to do a search for Zypcomor Cirrus in the registry file. You will find these threekeys when you search for

Appendix D-3D7) Windows 95 will display the modem, and you willsee a “Properties” button. Press the Propertiesbutton, press the Connection tab, press

ixZFor non-warranty repairs, charges vary according to thespecific model of the modem being repaired. Repaircharges are estimated before an RO number

DAppendix D-4

APPENDIXE Downloading FirmwareDownloading the Latest Modem Firmware1) Load your communication software (SuperVoiceterminal or ProComm).2) Enter Local

Appendix E-2E6) Set modem up for downnload, then type thefollowing (in upper- or lower-case):AT@L <ENTER>Modem goes off-hook momentarily and sev

Appendix E-3ECAUTION: Don’t abort the transmission (using theEscape key or by turning off the PC or modem)until after you see the “... END” message.

Appendix E-4E

xZCAUTION: Changes or modifications not expresslyapproved by the party responsible for compliancecould void the user’s authority to operate theequipm

xiZYour telephone company may make changes in itsfacilities, equipment, operations or procedures thatwould affect the proper functioning of your equip

xiiZCanadian Department of Communications—Requirements For End UsersThe Canadian Department of Communications labelidentifies certified equipment. Th

xiiiZThe Load Number (LN) assigned to each terminal deviceindicates the total load percentage that can be con-nected to a telephone loop. The termina

xivZ

DescriptionThe Zypcom Z34-SL and Z34-PL modemsare versatile desktop communication devices.These devices have high-speed data transfer andsend/receive

1-21q Plug and Play or manual configurationq Windows 3.1 and Windows 95 software for data,and fax operation is includedSystem RequirementsZ34-SL Requ

1-31Data ModeIn data mode, the modem can operate at a line speed ofup to 33,600 bps. These modems will automaticallydownshift during the initial hand

Zypcom, Inc.2301 Industrial Parkway West, Bldg. 7Hayward, CA 94545TEL: (510) 783-2501 FAX: (510) 783-2414

1-41Fax modeIn fax mode, the modem operates at up to 14,400 bps(transmit and receive), and implements all the datarates and modulation schemes for sta

1-51Modem InterfacePlug and Play HostInterfaceThe Z34-PL supports both PC 16-bit Plug-and-Play andNon-Plug-and-Play ISA Bus applications. You may use

1-61Z34-PLq 33,600 bps data/fax modemq Telephone cord (RJ11-RJ11)q Modem driver utility disketteq SuperVoice communication software disketteand manual

CHAPTER2 InstallationIntroductionThe Zypcom Z34-SL and Z34-PL are advancedmodems with powerful digital signal processingfeatures for high speed commun

2-22For either modem, you must provide a telephone lineterminated with a modular jack, as well as ascrewdriver. For the Z34-SL, you must provide a se

2-32If you set up your modem for Plug-and-Play, Windows95 will assign the COM port and IRQ. However, it isrecommended that you select your own settin

2-42Hardware Installation StepsZ34-PL ModemHardwareInstallation1. Turn your computer’s power off.2. Remove the cover from your PL and retain thescrews

2-526. With the metal bracket facing towards the rear ofyour computer, insert the modem’s “gold fingers”into the slot. Depending on the type of compu

2-624. Connect the power supply to the modem.5. Connect the AC transformer to an electrical outlet.6. Connect the modem telephone cable to the outside

2-72chipset-based modem before on your PC, you will needto remove it first before installing the new driver files.Please refer to the section entitled

ZypcomData/Fax ModemsUser’s GuideZ34-SLZ34-PLPart number: 18008-513AAugust 1997

2-82The very latest versions of Windows 95 .INF filesmdmcir.inf and serwvcir.inf can be obtained fromZypcom’s BBS by calling 510-783-2580.Using HyperT

2-92NOTE: You will need your Windows 95 CD forthis stage so that the necessary files get updated.(The win95_11.cab file is in the win95 sub-directory

2-102Type "ATZ <CR>". Sometimes you may not seeanything. Wait a second or two and type "AT&F <CR>",followed by &

2-112COM Port or IRQConflictIf you have a COM port conflict, you can try a differentCOM port. Many computer systems come with eitherone serial port a

2-122What To DoTry adding the board again. If this does not work, tryremoving the board and adding a different modem. Ifthis works, then there may b

2-132Systems Properties1) Press the Windows 95 Start icon, then press theSettings icon. Choose the Control Panel.2) Double-click the System icon on t

2-142Computer Properties1) From the System Properties window, double-clickthe Computer icon. This opens up the ComputerProperties screen. This scree

2-152InstallingSuperVoiceInsert Diskette #1 in Drive A (or in your floppy diskdrive). Click on START|RUN. When the Run dialog boxappears, type A:\IN

2-162Using Other Communication Software With Your ModemCommunication software allows you to change settingsand issue commands to your modem.Once the m

CHAPTER3 AT CommandsAHayes AT-compatible modem operates withstandard communications software thatenables a computer to control the L-Seriesmodems have

iiZCopyright 1997 by Zypcom, Inc.Document No. 18008-513aAugust 1997This manual is published by Zypcom, Inc. who reserves the right tomake changes and

3-23Functional Modem StatesDuring asynchronous AT operation, the L-Seriesmodem functions in one of these six modes:q Command modeq Online (data) modeq

3-33Online CommandModeWhen the modem receives the +++ escape sequence (ora sequence defined by register S2), it enters onlinecommand mode, maintains t

3-43Basics of the AT Command SetAn AT command consists of the AT prefix followed by astring of command characters. These commandcharacters, which can

3-53AT Command BufferWhen you send the AT<ENTER> command to themodem, it determines the DTE’s serial port speed andbits per character. The mode

3-63AT Command SummaryAT commands normally have a number of possiblevalues. When a command has multiple parameters, thedefault is the parameter set a

3-73TABLE 3-1. AT COMMAND SET–DATA GROUPCOMMAND DESCRIPTION PAGEA/ Re-execute last command 3–9A Manual answer 3–9B CCITT/Bell compatibility 3–9D Dial

3-83&W Store profile 3–20&Y Power up profile 3–21&Z Store telephone number 3–21%E Auto retrain control 3–21%G Rate renegotiation 3–21-C Ge

3-93AT Commands For Data ModeA/ (Repeat LastCommand)Repeat the last AT command string issued. An "AT"prefix is not used. Do not terminate

3-103D (Dial)Instructs the modem to dial a specified telephonenumber. The D command has several additionalmodifying commands which can be used in con

3-113Hn (Switch HookControl)Makes the modem pick-up or hang-up the line,depending on the numerical notion that follows H.COMMAND DESCRIPTIONH0 Hang-up

iiiZContentsChapter 1 IntroductionDescription ... 1-1Features ...

3-123Ln (Volume Control)Sets the speaker volume when the speaker is on.COMMAND DESCRIPTIONL0,1 Low volumeL2* Medium volumeL3 High volumeMn (SpeakerCon

3-133NOTE: The port speed must always be higherthan the highest possible line rate (i.e., 38,400 orhigher). A port speed of 19,200 will cause themax

3-143Wn (ConnectionResult Codes)Selects whether the modem sends the DTE independentmodem connection result codes for speed, error controlprotocol, or

3-153TABLE 4-1 MODEM RESULT CODESWORDS DIGITS X0 X1 X2 X3 X4CONNECT 1 YYYYYRING 2 YYYYYNO CARRIER 3 YYYYYERROR 4 YYYYYCONNECT 1200 5 N YYYYNO DIAL TON

3-163Yn (Long SpaceDisconnect)Some computer systems end a data session by sendingor receiving a continuous break signal. This capabilityonly works wh

3-173&Cn (CXR Control)Determines how the modem handles CXR on the DTEinterface. Most computers operate with CXR set tofollow true carrier from th

3-183&F (Load FactoryProfile)Loads the factory default setting for each command intothe active profile. AT&F&W0 loads the factory default

3-193&Pn (Pulse/dialRatio)Determines the make/break (that is, off-hook/on-hook)ratio during pulse dialing.COMMAND DESCRIPTION&P0* Sets 10-pps

3-203&Tn (DiagnosticTests)Used to initiate and terminate loopback tests for testingmodem-to-modem and DTE-to-modem datacommunication integrity.COM

3-213&Wn (Store Profile)Enables the modem's active configuration to be writtento a user-stored profile in nonvolatile memory.COMMAND DESCRIPT

ivZChapter 3 AT CommandsIntroduction... 3-1Functional Modem States...

3-223%En (Auto-retrainControl)Controls the retraining in V.22bis (2400bps) and V32/V.32bis (14.4K to 4.8Kbps) modes only. The retrainingat higher spe

3-233+MS=m (ModulationControl)The +MS command controls the modulation used on aconnection. It also controls whether or not automode isused, as well a

3-243The maximum line rate parameter specifies the highestdata rate at which the modem will establish aconnection. Allowable parameters are: 33600,

3-253%An (Auto-reliableAbort Character)Sets the ASCII character (from 0 to 127) that, if sentduring an error control negotiation, aborts error control

3-263\Cn (Buffer Control)In auto-reliable mode (\N3), determines the fallbackmethod and enables data buffering. The settings forthis command are used

3-273\Nn (Data ModeControl)If auto-reliable is selected, then the modem will go tonon-error control with buffering if error control cannotbe negotiate

3-283\O (OriginateReliable Link)Issue this command when you need the modem to go toan MNP error controlled connection from a non-errorcontrolled conne

3-293\U (Accept ReliableLink)Issue this command when you need the modem to go toan MNP error controlled connection from a non-errorcontrolled connecti

3-303"Hn (V.42bisControl)Specifies whether the data in the LAPM frames arecompressed using V.42 bis data compression.Compression can be negotiate

3-313There are four different types of S-registers:q Storableq Bit-mappedq Reservedq Read onlyA storable S-register is one whose value can bepermanent

vZAbout This ManualShown below is a chronological listing of revisions tothis manual. The revision sequence, date, and synopsisof revised materials a

3-323Ring Count(S1)*Register S1 counts the number of rings the modemreceives during an incoming call. When S1 matches thevalue set for S0, the modem

3-333BackspaceCharacter(S5=0-32,127)Register S5 defines the ASCII character used as thebackspace character. The backspace character causesthe cursor

3-343Comma Delay(S8=0-255)Register S8 determines the length of the delay of thepause command (,). For every comma in the dialingcommand string, the m

3-353Touch Tone Timer(S11=50-255)Register S11 controls the length of time that touchtones (telephone numbers) are transmitted by themodem. The defaul

3-363Test Duration(S18=0-255)Register S18 sets the duration of the modem’sdiagnostic tests. When S18 is set to 0, the testcontinues indefinitely unti

3-373DTR Detect Time(S25=0-255)Register S25 determines the amount of time the modemwill wait before detecting a change in the DTR signal.Default = 5 (

3-383Max Line Speed(S37=0-19)Register selects maximum line speed to be attempted.Note that the +MS command also controls thiscapability. If you want

CHAPTER4 TroubleshootingGeneralAlthough the modem’s default option settings aresuitable for most PC computers, a default optionsetting can cause probl

4-24q Check telephone line with a regular phone tomake sure dialtone is present.If you encounter basic communication problems (cannotdial, answer, or

4-34Cable Connections1. Check that the modem and computer or terminalare plugged in and turned on. When the modemhas power and the correct COM port i

viZWarranty and Limitation of LiabilityZypcom, Inc. warrants that its products will perform inaccordance with Zypcom’s published specifications (orthe

4-442. Make sure that your terminal or communicationssoftware is set for 10 bits per character. The total ofthe data bits, parity bit, and the start

4-542. Check the setting for DSR. The default setting isforced on, but it can be changed using the AT&Sncommand in AT autodialing.3. Check the CT

4-64Program ThinksModem is OnlineIf you receive an ONLINE message somewhere on yourDTE screen but the modem is not online, set the CXRcommand to norma

4-74AT&F0&C1&D2&S1K3&Q0\N3S7=90S0=0Delays OnConnectionsA small amount of character delay is normal for error-controlled communicat

4-84delays will occur. Some modems will do a retrainingevery 10 seconds, which would result in serious delays.Listen to your connections for 15-30 mi

4-941. Increase the minimum line speed you will allow forany given connection (+MS command).2. Have the phone company provide you with a higherquality

4-104Modem Fails toHandshakeThe occasional failure to handshake is normally due toa telephone network problem. A frequent failure tohandshake is norm

4-114Modem Does NotAnswer IncomingCallsIf the modem does not answer incoming calls,1. Verify that your terminal or computer supplies DTR.(The Z34-SC’s

4-124Modem AnswersIncoming CallsIf the modem has the AA LED on and DTR LED on, itwill answer all incoming calls. To disable this feature,set S-Registe

4-134Modem Dials,Connects, but NoDataIf the modem connects but you cannot get data fromeither modem or from only one modem, it is probablybecause the

viiZTHE BUYER AND ZYPCOM AGREE THAT THE SOLE ANDEXCLUSIVE REMEDIES FOR BREACH OF ANY WAR-RANTY CONCERNING THE GOODS SHALL BE REPAIROR REPLACEMENT OF D

4-144The other end could be busy or not answering. Makesure the number you dialed is correct and test thenumber by dialing it on your telephone, not

4-154Fax Not FoundRe-install or re-setup fax software with the modeminstalled. The port setting in the Control Panel inWindows may not be set properl

4-164

APPENDIXA SpecificationsChipsetCirrus Logic CL-MD3450 DSPZ34-PL16C550A/16C450 Register Compatible Buffered UARTZ34-PL and Z34-SL16bit ISA Parallel Bu

Appendix A-2ACompressionV.42bis or MNP Class 5CommandsAT Type (10bit)Data: AT Hayes CompatibleFax: EIA/TIA 578 Fax Class 1Fax StandardsModulationITU-T

Appendix A-3APhysical/Electrical/EnvironmentalDimensionsZ34-PL: 3.5" x 6.2"Z34-SL: 1.5"H; 4.5"W; 7.5"LROMFlash memory (see

Appendix A-4A

APPENDIXB Fax CommandsFAX CLASS 1 AT COMMANDSYour modem implements the EIA-578 data/fax Class 1AT command set standard. This AT command setallows a D

BAppendix B-2+FMR?Identifies product version number+FREV?Identifies product version numberFax Class 1 AT Commands+FCLASS=nMode selection default=0. S

Appendix B-3B+FTH=nTransmits HDLC data. The only setting for thiscommand is 3.+FTM=nSelects transmit data modulation mode. Modulationstandards follo