Zypcom Z34-PL User's Guide

SX-Series AdvancedNetwork ModemsSE-Series CorporateClass ModemsUser’s GuideZ34-SXZ32t-SXZ32b-SXZ34-SEZ32t-SEZ32b-SEZypcom, Inc.2301 Industrial Parkway

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

5–285AT Command Set&K (Modem FlowControl)Defines how the modem handles flow control on theserial port, as well as between modems for non-errorcont

5–295AT Command Setlocal DTE. &K20 flow control will protect the DTE-to-DTE communications link, while &K16 protects only theDCE-to-DCE commu

5–305AT Command SetThe preferred method of flow control is RTS/CTS.However, if a computer does not have control of thesesignals and you want to use er

5–315AT Command Set&N (AutomaticError Control Abort)Selects whether or not automatic error control aborts ifthe character specified in register S4

5–325AT Command Set&P (Pulse DialMake/Break Ratio)Sets the make/break ratio to be used when pulsedialing.COMMAND DESCRIPTION&Pn Pulse dial mak

5–335AT Command Setnumber stored in memory location 0.When the modem detects an on-to-offtransition of DTR, it hangs up and returnsto asynchronous com

5–345AT Command SetRegister S36 can be used to modify the &Q command.For example, if you want to force an error-controlledlink, use &Q6 S36=0

5–355AT Command Set&T (DiagnosticTests)Refer to Chapter 10, "Troubleshooting and Testing," fora complete description of all modem tests.

5–365AT Command Set&U (DataCompressionControl)Controls modem data compression. A V.42 linkoperates with V.42bis data compression, which allows a

5–375AT Command Set&W (Write ActiveConfiguration)Enables the modem active configuration to be written toa user-stored profile in nonvolatile memor

ixZTHE BUYER AND ZYPCOM AGREE THAT THE SOLE ANDEXCLUSIVE REMEDIES FOR BREACH OF ANY WAR-RANTY CONCERNING THE GOODS SHALL BE REPAIR ORREPLACEMENT OF DE

5–385AT Command Set&Y (Recall UserConfiguration)Recall a user-stored profile into the active configurationupon power up.COMMAND DESCRIPTION&Yn

5–395AT Command Set%A (Auto-ReliableAbort Character)Sets the ASCII character (from 0 to 127) that, if sentduring an error control negotiation, aborts

5–405AT Command Set%C (Data Compression)Controls modem data compression. A V.42 link operateswith V.42bis data compression, which allows a 4:1 com-p

5–415AT Command Set%K (V.42 SlidingWindow Size)Sets the number of V.42 error control packets that canbe outstanding without acknowledgment, where n ca

5–425AT Command Set%P (V.42 NegativeADP)Controls the issuance of a negative ADP packet for V.42error control.COMMAND DESCRIPTION%Pn V.42 negative ADP%

5–435AT Command Set%V (AutodialerSelect)Selects between the AT command set and various formsof the V.25bis autodialer. To enable any synchronousform

5–445AT Command Set%X= (Serial PortSpeed)Selects the modem's serial port speed. Used to setmodem port speed for answer-only (dial-in) applicatio

5–455AT Command Set^E (Read RemoteEIA Signals)Reports the status of the remote EIA signals for RXD,TXD, RTS, CTS, DSR, DTR and CXR, where signal = 1in

5–465AT Command Set#B (Busyout Control)Selects the method used to busyout the modem. Thiscommand is only supported in the Z34-SX and Z34-SE.COMMAND D

5–475AT Command Set#L (Serial PortSpeed Lock)Locks the modem's port speed (in both AT commandmode and data mode) to the setting of the %Xcommand.

xZService InformationIn the event of malfunction or other indication of productfailure, please follow this procedure:1. Call Zypcom Technical Support

5–485AT Command Set\A (V.42 Block Size)Selects the transmit block size for error-controlledconnections. On cellular connections a smaller blocksize i

5–495AT Command Set \C (Auto-ReliableBuffer)Determines whether or not the modem buffer receivesdata while it attempts to negotiate error-controlledcom

5–505AT Command Set\G (Modem-to-ModemFlow Control)Controls modem-to-modem flow control on a non-errorcontrolled link when using buffered asynchronousc

5–515AT Command Set\K (Break SignalControl)Defines how the modem handles a break received fromthe DTE. The break can be processed as it is received,p

5–525AT Command Set \N (On-line DataMode Operation)Selects how the modem operates when it enters on-linedata mode. The \Nn command is similar to the

5–535AT Command SetNote that \N0 is the same as &Q0, \N1 as &Q4, \N2 as&Q5 and S36=0, \N3 as &Q5 and S36=1, \N4 as &Q7and S36=0, \

5–545AT Command Set\S (Display ActiveProfiles)Causes the modem to display its current profile as wellas other stored profiles and telephone numbers.

5–555AT Command Set\Y (Error ControlLink Request)Causes the modem to attempt to establish error-controlled communication, even though the modem hasalr

5–565AT Command SetThe Zscript capability of the modem consists of asecurity command, programmed transmit and receivefields as well as one command fi

5–575AT Command SetStoring Zscript Commands for Automatic LogonThe modem can automatically log onto a remotecomputer by programming the modem with Zsc

xiZFCC Part 15: Radio/Television InterferenceThis equipment has been tested and found to comply withthe limits for a Class A digital device, pursuant

5–585AT Command SetZscript Commands for Callback or Pass-through SecurityTo store a Zscript sequence for callback security orpass-through, enable auto

5–595AT Command SetNot all versions of the modems firmware will containthe callback security feature. Before setting upsecurity, verify your modem ha

5–605AT Command SetHelpful Hints for Auto-LogonIf the first Zscript field is a transmit field, it is trans-mitted and the modem looks for a responseco

5–615AT Command SetHost computers sometimes miss the first few characterstransmitted. If you have trouble with your remotecomputer, try inserting a p

5–625AT Command Set

6–1CHAPTER6Status RegistersDescriptionThe modem has over 30 status registers—commonly referred to as S-registers—that can beused to control specific m

6–26Status RegistersTABLE 6-1. STORABLE S REGISTERSS REGISTER DESCRIPTIONS0 Auto-answerS2 Escape characterS6 Dial tone delayS7 Wait time for carrier/

6–36Status RegistersS46 Error control abort characterS47 XON characterS48 XOFF characterS49 Dumb modemS53 Dial retry intervalS99 Bell 801 RS366 (S34-S

6–46Status RegistersOperationDisplaying ValuesTo display a list of the S-registers, as well as all currentregister settings, type:AT&V<ENTER>

6–56Status RegistersSetting ValuesYou can assign new values to S-registers with theATSn=x<ENTER> command (where n is the number ofthe register a

xiiZFCC Part 68: Requirements For End UsersType of ServiceYour modem can be used on standard telephone lines.The modem connects to the telephone line

6–66Status RegistersReading LastRegister ChangedTo review the contents of the last S-register accessed,type:AT?<ENTER>If the modem has no record

6–76Status RegistersRegister SettingsAuto Answer(S0=0-255)Register S0 controls the auto-answer option. S0=0disables auto answering. S0=n (where n c

6–86Status RegistersReturn Character(S3=0-127)*Register S3 defines the end-of-line character. Uponreceiving this character, the modem executes acomma

6–96Status RegistersWait Time forCarrier/Silence(S7=1-255)Register S7 controls the wait time for carrier. If the atsign (@) is used in the dialing co

6–106Status RegistersLost CarrierDisconnect(S10=1-255)Register S10 determines the amount of time the modemmust wait to disconnect after losing carrier

6–116Status RegistersRate Adaption Bias(S13=0-8)This S-register's current setting is only displayed byusing the command ATS13? Register S13 affe

6–126Status RegistersLeased Line Auto-Restoral(S17=0-1)This S-register's current setting is only displayed byusing the command ATS17? Register S

6–136Status RegistersSerial Port Speed to57.6 Kbps (S23=bit-map)Register S23 sets, among other things, the serial portspeed of the modem. The %X comm

6–146Status RegistersDTR Detect Time(S25=0-255)Register S25 determines the amount of time the modemwill wait before detecting a change in the DTR sign

6–156Status RegistersCallback Securityand Auto Logon(S34=0-10, 255)Register S34 controls callback security as well asautomatic logon sequences in answ

xiiiZIf Problems AriseIf your telephone equipment is not operating properly,immediately remove it from your telephone line, as itmay cause harm to the

6–166Status RegistersError ControlNegotiation Fall-back(S36=bit-mapped)Register S36 is a bit-mapped S-register. S36 clarifieswhat the modem should do

6–176Status RegistersDCE Line Speed(S37=0-36)Register S37 controls the maximum line speed at whichthe modem will attempt to connect to the remotemodem

6–186Status Registers1 300 (Bell 103)2 300 (Bell 103)3 300 (Bell 103)5 1200 (Bell 212)6 2400 (CCITT V.22bis)7 4800 (CCITT V.32)9 9600 (TCM V.32)10 960

6–196Status RegistersDelay BeforeHang Up(S38=0-254)Register S38 controls the amount of time the modemwill wait in asynchronous mode before going back

6–206Status RegistersBit 5,4 Break handling (&I command)0 = Non-destructive and non-expedited*1 = Non-destructive and expedited2 = Destructive and

6–216Status RegistersDial Backup Enableand Fall-back/Forward (S42 = bit-map)Register S42 is a bit-mapped register that changes valuedepending on vario

6–226Status RegistersError Control Mode(S44=0-7)*Register S44 indicates the type of error control used onthe modem link. To determine what error cont

6–236Status RegistersError Control AbortCharacter (S46=0-127)Register S46 stores the selected ASCII value of the errorcontrol abort character. This f

6–246Status RegistersDumb mode (S49 =bit-map)This S-register's current setting is only displayed byusing the command ATS49? Register S49 is a bi

6–256Status RegistersBell 801 Control(S99 = bit-map)This S-register's current setting is only displayed byusing the command ATS99? Register S99

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

6–266Status Registers

7–1CHAPTER7V.25bis Autodialing andSynchronous Dial-UpOperationGeneralV.25bis is an international standard set by theConsultative Committee for Interna

7–27V.25bis Autodialing and Synchronous Dial-Up OperationThe modem can be configured for synchronouscommunication with or without V.25bis using hardwa

7–37V.25bis Autodialing and Synchronous Dial-Up OperationV.25bis SoftwareSetup IntroductionThe modem can also be configured for V.25bisautodialing by

7–47V.25bis Autodialing and Synchronous Dial-Up OperationV.25bis AutodialingGeneralIn asynchronous V.25bis applications, autodialercommands can be iss

7–57V.25bis Autodialing and Synchronous Dial-Up OperationV.25bis CommandsBelow is a list of V.25bis commands and responsemessages supported by the mod

7–67V.25bis Autodialing and Synchronous Dial-Up Operationperiod specified by register S8 (same as thecomma in the AT command set)= Causes the modem to

7–77V.25bis Autodialing and Synchronous Dial-Up OperationDisregard IncomingCall (DIC)Causes the modem to disregard an incoming call, even ifthe modem

7–87V.25bis Autodialing and Synchronous Dial-Up OperationList Stored Numbers(RLN)Lists the contents of one specified memory location orthe contents of

7–97V.25bis Autodialing and Synchronous Dial-Up OperationNT Indicates answer tone not detected, ring-back detected, or call abortedRT Indicates expira

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

7–107V.25bis Autodialing and Synchronous Dial-Up OperationList Stored Number(LSN)Sent in response to an RLN command requesting thecontents of a specif

7–117V.25bis Autodialing and Synchronous Dial-Up OperationConfiguration Local(CNL)CNL is a prefix that functions the same as AT andprecedes the same c

7–127V.25bis Autodialing and Synchronous Dial-Up OperationV.25bis Framing RulesAll V.25bis commands must have the correct syntax andframing for the mo

7–137V.25bis Autodialing and Synchronous Dial-Up OperationHDLC FramingAn HDLC frame must consist of these elements:❑ Flag character (HEX ‘7E’)❑ Addres

7–147V.25bis Autodialing and Synchronous Dial-Up OperationFrames can be followed or preceded by additional SYNcharacters. Frames with a parity error

7–157V.25bis Autodialing and Synchronous Dial-Up OperationDisabling theV.25bis AutodialerYou can issue CNL %V0<ENTER> to disable the V.25bisauto

7–167V.25bis Autodialing and Synchronous Dial-Up OperationV.25bis Auto-AnsweringAssuming the modem’s AA and DTR LEDs are on, themodem will automatical

7–177V.25bis Autodialing and Synchronous Dial-Up OperationStoring a TelephoneNumber in MemoryTo store a telephone number in memory locationnumber 1, i

7–187V.25bis Autodialing and Synchronous Dial-Up OperationChanging theModemConfigurationTo send several options to the modem in one commandstring, use

7–197V.25bis Autodialing and Synchronous Dial-Up Operation4. Set SW8 ON to enable V.25bis autodialing. WhenSW8 is ON options change, &C1, &D2

xviZ

7–207V.25bis Autodialing and Synchronous Dial-Up OperationIn some cases, other modem options will need to bechanged. If synchronous V.25bis autodiali

7–217V.25bis Autodialing and Synchronous Dial-Up OperationAuto-AnsweringTo auto-answer once the modem has been manuallyconfigured for V.25bis autodial

7–227V.25bis Autodialing and Synchronous Dial-Up OperationSoftware Setup of Synchronous Dial-up OperationThe modem can be asynchronously configured fo

7–237V.25bis Autodialing and Synchronous Dial-Up OperationSoftware DisablingSynchronousOperationWhen the modem is on-hook in command mode (even ifit h

7–247V.25bis Autodialing and Synchronous Dial-Up OperationHardware Setup of Synchronous OperationYou can set the modem for synchronous communicationby

7–257V.25bis Autodialing and Synchronous Dial-Up Operationtelephone attached to the modem, dial the number, andpress the <DATA> key. When you h

7–267V.25bis Autodialing and Synchronous Dial-Up OperationExample: Synchronous Dial-on-DTR for 7400 MultiplexerThe example below configures the modem

8–1CHAPTER8Leased Line OperationGeneralA leased line is a permanent connection betweenlocal and remote modems that provides full-time access for a fix

8–28Leased Line OperationBefore choosing your line, consider these issues:❑ Whether your application would be better servedby a two- or four-wire leas

8–38Leased Line Operation❑ Setting the modem for leased line operationusing the AT commands (software setup) or theappropriate DIP switches on the und

1–1CHAPTER1IntroductionDescriptionThe Zypcom SX-Series and SE-Series areversatile, very high-speed, asynchronous/synchronous modems that allow data an

8–48Leased Line OperationFigure 8-1. Printed Circuit Board LayoutLocation of JP1Location of JP2Location of JP3JP1JP2JP3Note:JP4 is onunderside ofprin

8–58Leased Line OperationNote: On the modem's printed circuit board (PCB) thejumper blocks are labelled (white lettering JP-1, JP-2,etc.). The

8–68Leased Line OperationAt this juncture, you have two options for configuringthe modem: hardware setup using the DIP switches orsoftware setup usin

8–78Leased Line Operationset to a normal condition (&C1). Other applicationsmay require CTS to follow CXR (&R2) and DTR to be setto normal (&

8–88Leased Line Operation1. Set SW1 to the ON position to enable the rest of theswitches.2. Select synchronous or asynchronouscommunication and set SW

8–98Leased Line OperationAfter going off-hook and putting out answer tone forabout 30-40 seconds, it then goes on-hook waits 4 or 5seconds and repeats

8–108Leased Line OperationLeased Line Setupof the AnswerModemThe following is a step-by-step procedure for setting theanswer-side modem.1. Set the EIA

8–118Leased Line Operationseconds the commands take effect and the modemgoes off-hook and begins sending answer tone.NOTE: For bench testing ONLY add

8–128Leased Line OperationFor example, an asynchronous four-wire originatemodem, type:AT&Q6S36=0&C1&D0&S1&R2&L2S0=0S37=17N0E0Q

8–138Leased Line OperationLeased Line withDial Backup andAuto RestoralAnswer-Side ModemThe following procedure explains how to setup leasedline operat

Zypcom, Inc.2301 Industrial Parkway West, Bldg 7Hayward, CA 94545-5029(510) 783-2501 FAX: (510) 783-2414

1–21Introduction❑ Z32t-SX and Z32t-SE supports line rates from19,200 bps to 300 bps compatible withV.32terbo, V.32bis, V.32, V.22bis, V.22, V.23,212A/

8–148Leased Line OperationATS42?<ENTER>The modem should respond:000OKIssue the enable dial backup command (increment S42by 2, see Chapter 6). E

8–158Leased Line Operation4. Turn power off and then on. After about fiveseconds the commands take effect and the modemgoes off-hook and begins sendi

8–168Leased Line Operationand lock it (%X=9.6 #L1) so the modem ignores dataat any speed except the desired modem serial portspeed. Also, the origina

8–178Leased Line OperationAT S42=2 S17=1 S20=180 &W<ENTER>3. Store the dial backup telephone number in memorylocation 3. For example, type:

8–188Leased Line Operationwill match the line rate and adjust automatically insynchronous communication. In asynchronouscommunication, the serial por

8–198Leased Line OperationCaution: Dial backup (SYN LED flashing) should onlybe used in environments where personnel can monitorthe line. This will

8–208Leased Line OperationModem Speed andRetrainingIn the case of leased line operation when the modemencounters a low quality line and the modem will

9–1CHAPTER9Special FeaturesZypcom modems incorporate advanced features thatcan be used in specialized applications:❑ V.13 (switched carrier) operation

9–29Special FeaturesOn the transmitting side, when the local modem detectsan RTS off-to-on transition, it transmits a V.13 “carrieron” signal and rais

9–39Special FeaturesV.13 OperationSetupThe following is a specific example of how to option themodem for V.13 operation on a dial-up communicationslin

1–31Introduction❑ V.54 diagnostics and V.13 switched carrier❑ Nonvolatile memory for storing up to fourtelephone numbers and logon sequences❑ Manual a

9–49Special FeaturesWhen issuing the command string above to configureV.13 operation, calls should be initiated by using thefront-panel <DATA> k

9–59Special FeaturesCommandsSeveral commands are used exclusively to enable anddisable remote modem access. You must enable thesecondary channel, the

9–69Special Featuresenabled (\P1). When this option is enabled, you mustissue the proper password before using the ATcommands to dial, option, or vie

9–79Special Features%L (Read Analog DSP Performance Measurements)Measures multiple analog parameters: the receive levelin decibels (dBm) and the data

9–89Special FeaturesAT^S1<ENTER>Wait for the OK message.4. Enable remote modem access:AT^R1<ENTER>In about 10 to 20 seconds, the remote mo

9–99Special FeaturesNote that modem action commands, for example, ATAand ATD, cannot function in remote modem access.The only two action commands that

9–109Special FeaturesRemote Access ExamplesThe following are several examples of how to use theremote modem control capability of the modem tosupport

9–119Special FeaturesWait for the OK message. At this point you arecommunicating with the remote modem.6. Type:AT^E0<ENTER>The remote modem res

9–129Special FeaturesInterrogating the Remote Modem’s Serial NumberSecurity is often an important element when planningto install modems in a computer

9–139Special FeaturesWhen the computer receives the serial number of theremote modem, it can check that serial number againstthe database of known mod

1–41Introductionbackup and automatic restoral for multiplexer or routerlinks. The SE-Series can operate on two-wire leasedlines with dial backup and

9–149Special FeaturesEnable 801 ACUTo enable the Bell 801 ACU dialer s-register 99 must beincreased by 8. S-register S99 is a bit-mapped registerthat

10–1CHAPTER10Troubleshooting and TestingGeneralAlthough the modem default option settings are suitablefor most terminals, a default option setting can

10–210Troubleshooting and TestingCable Connections1. Check that the modem and computer or terminalare plugged in and turned on. When the modemhas pow

10–310Troubleshooting and Testingmust equal 10. The modem automaticallydetermines speed and parity for 10-bit characters.The most common settings are

10–410Troubleshooting and TestingWindows COMitSoftware SettingsIf the computer screen does not display AT when youtype it, check your communications s

10–510Troubleshooting and Testing1. In the modem’s default setting, CXR is forced on.Some software packages need CXR to follow truecarrier. In AT aut

10–610Troubleshooting and TestingDTE DisplaysDouble CharactersIf the DTE screen doubles every character you type,then the terminal and modem are both

10–710Troubleshooting and TestingAT&F0&C1&D2&S1K3&Q6S7=90S0=0<ENTER>If you will be communicating with a non-error controlled

10–810Troubleshooting and TestingIf the modem does not automatically answer whenconnected to a minicomputer or mainframe and theDTR and AA LEDs are on

10–910Troubleshooting and TestingRetry the call. If this works then raise the line speed inincrements until you know the speed you telephone lineand

1–51IntroductionFigure 1-1. SX-Series and SE-Series Front-Panel Controls andIndicatorsThe rear panel (figure 1-2) contains a 6-pin PSTNconnector labe

10–1010Troubleshooting and TestingOptional Test TimerThe test timer ends each test after a preset time,controlled by register S18. Before you start a

10–1110Troubleshooting and TestingFigure 10-1. Analog Loopback Self-Test❑ The receiver demodulates the signal, convertingit back into a digital test

10–1210Troubleshooting and TestingATS18=60&T8<ENTER>CONNECT 115200The modem tests itself until the preset timer expires, asindicated by the

10–1310Troubleshooting and Testing1. Turn on power to the modem and your DTE.2. Load the communications software, if necessary,and go to terminal emul

10–1410Troubleshooting and TestingFigure 10-2. Analog Loopback Data TestOnline TestsOnline tests are performed on communications linkswith no error c

10–1510Troubleshooting and TestingLocal DigitalLoopback Data TestIn a local digital loopback data test, the remote operatorenters and monitors data to

10–1610Troubleshooting and TestingFigure 10-3. Local Digital Loopback Data TestRemote DigitalLoopback Data TestIn a remote digital loopback data test

10–1710Troubleshooting and Testing3. From the local modem, type the +++ escapesequence and wait for the OK message.4. Invoke the test:AT&T6<ENT

10–1810Troubleshooting and TestingFigure 10-5. Remote Digital Loopback Self-TestZYPCOMTXD RXD CTS DSR DTR CXR EC AA SYN SPD FAXZ32b-SX FULL D

10–1910Troubleshooting and TestingRemote DigitalLoopback Self-TestIn a remote digital loopback self-test, the modem teststhe data link with a self-gen

1–61Introduction POWERPHONEWALLFigure 1.2.TERMINALZ32b-SX.1.2 Figure 1-2. SX-Series and SE-Series Rear PanelSpecificationsThe SX-Series and SE-

10–2010Troubleshooting and Testing

Appendix A-1APPENDIXSpecificationsFEATURE DESCRIPTIONCompatibility CCITT V.32bis at 14K, 12K, and 9600, 7200and 4800 bpsAT&T V.32terbo at 19.2K an

Appendix A–2ASpecificationsData Format Asynchronous: 8, 9, 10 or 11 bits serial,binarySynchronous: serial, binaryOperation Full-duplex over 2-wire d

Appendix A–3ASpecificationsAutodialer Type & Data Type: tone, pulse, and automaticData: asynchronous = AT and V.25bis 10bit; synchronous = V.25b

Appendix A–4ASpecifications

Appendix B–1APPENDIXBSoftware CompatibilityModem SoftwareThe modem is compatible with all data communicationssoftware packages and devices that use th

Appendix B–2BSoftware Compatibilityinclude the parameter settings incorporated in thecommand string above.If you receive an ERROR message after select

Appendix C–1APPENDIXCFacsimile CommandsSERVICE CLASS IDENTIFICATION+FCLASS=n Identity n = service class ( where n =0, 1, or 2 and 0 = data modem, 1 =c

Appendix C–2CFacsimile CommandsCLASS 2 DCE RESPONSES+FCON Facsimile connection response+FDIS Report remote identification+FTSI Report the transmit dat

Appendix D–1APPENDIXDFactory-Stored ProfilesPARAMETERSPARAMETER SETTING &F0Line type Dial-upLine speed (max) 33,600 bpsLine speed (min) 300 bpsDTE

1–71IntroductionOptions SelectionThere are four methods of selecting or changing modemoptions. A large portion of this manual consists ofdescriptions

DAppendix D–2Factory-Stored ProfilesFactory Default: AT&F1AT COMMANDSAT COMMAND &F1B1E0L (0 – 3) 2M (0 – 3) 1N (0 – 1) 1Q (0 – 2) 0V (0 –

Appendix E–1APPENDIXEASCII Character/Decimal/Hex Conversion TablesGeneralThese are binary equivalents of hexadecimal anddecimal numbers:BINARY DECIMAL

Appendix E–2EASCII Character/Decimal/Hex Conversion TablesASCII Conversion TablesASCII <CONTROL>SYMBOL DECIMAL HEX <KEYBOARD(NUL) 0 00 @(SOH)

Appendix E–3EASCII Character/Decimal/Hex Conversion TablesASCIISYMBOL DECIMAL HEX(SP) 32 20!3321“3422#3523$3624%3725$3826‘3927(4028)4129*422A+432B,442

Appendix E–4EASCII Character/Decimal/Hex Conversion Tables

Appendix F–1APPENDIXFDecimal-to-Binary Bit-MapRegister Conversion TableGeneralConsider the factory setting of register S23. Look at theS23=29 row in

Appendix F–2FDecimal-to-Binary Bit-Map Register Conversion TableEach of these functions is mapped onto different partsof the bit pattern and should be

Appendix F–3FDecimal-to-Binary Bit-Map Register Conversion TableExample: To set the serial port speed to 38,400 bps, thedecimal value of bits 3, 2, 1

Appendix F–4FDecimal-to-Binary Bit-Map Register Conversion Table

Appendix G–1APPENDIXGCallback and PasswordSecurityThis appendix explains the 10 number callback securityfeature for Zypcom modems. The security passw

1–81IntroductionFront-Panel Keysand DIP SwitchThe front-panel <DATA> and <TEST> keys and the DIPswitch on the modem control a variety of m

Appendix G–2GPassword and Callback SecurityZscript Passwordand CallbackSecurity Command(^W)With password or callback security operation enabled,the mo

Appendix G–3GPassword and Callback Securitycomputer (CXR is raised to the attached DTE) or inthe case of a callback the Zypcom modem hangs upthe call

Appendix G–4GPassword and Callback SecurityCallback security with valid password:H0DT7832501CONNECT 57600Callback security with invalid password:AUTOL

Appendix G–5GPassword and Callback SecurityZscript Commands(^W is the newsecurity command)COMMAND DESCRIPTION^W Set user password for security operati

Appendix G–6GPassword and Callback SecurityZscript Rules forSecurity Commands· ^W and register S34 are active on the answer sideonly.· Memory location

Appendix G–7GPassword and Callback SecurityPasswords Rules· Passwords and commands may be entered incapitals or lowercase letters. (However, they wil

Appendix G–8GPassword and Callback SecurityA remote user can now call the Zypcom security modemto initiate a callback call. The remote user first cal

Appendix G–9GPassword and Callback Security 6 <ENTER> OKIn this example, the user will have to enter a carriagereturn and receive the PASSWORD?

Appendix G–10GPassword and Callback Security

Appendix H–1APPENDIXHFlash MemoryFlash Memory DownloadThe Zypcom Z34-SX and Z34-SE standalone modems(as well as rackmount modems Z34-RX, Z34-RE, Z32t-

1–91IntroductionHow to Use This ManualThis manual contains operating instructions for the SX-Series and SE-Series of modems. Most users will beusing

Appendix H–2HFlash Memory DownloadThe detailed procedure for both local and remotedownloads follows. We recommend, with both methods,that Procomm be

Appendix H–3HFlash Memory DownloadLocal Download Using Procomm1. Copy the latest firmware file from the Zypcom website (www.zypcom.com) into the Proco

Appendix H–4HFlash Memory DownloadAT&F&W<enter>resets modemOKATI3<enter>Z34-SX/Z34-SE V 1.12 Modem currentversionOKATI66KH101209 S

Appendix H–5HFlash Memory Download5. The file transfer should now proceed. Uponcompletion the modem will respond with thefollowing message:WRITTEN SU

Appendix H–6HFlash Memory Downloadscreen click on connect using and select direct-to-com2 (select the COM port number the modem isattached to). Next

Appendix H–7HFlash Memory Download4. Select the transfer menu and click on send text file.Highlight the file you are going to send(Z34S1_31.HEX or Z34

Appendix H–8HFlash Memory DownloadRemote Download1. The customer service engineer should contact thecustomer and instruct the user to unplug themodem

Appendix H–9HFlash Memory DownloadThe modem will respond: OKType: AT^R1<enter>The modem will respond: REMOTE PASSWORD?Type factory default pa

Appendix H–10HFlash Memory DownloadWRITTEN SUCCESSFULLY6. This completes the procedure. The modem is nowready to be put back in service. The unit’s

1–101Introduction

2–1CHAPTER2Quick Installationand OperationIntroductionThe Zypcom external modem has many powerfulfeatures for mission critical corporate networks.The

Part number: 18008-514ASeptember 1998SX-Series AdvancedNetwork ModemsSE-Series CorporateClass ModemsUser’s GuideZ34-SXZ32t-SXZ32b-SXZ34-SEZ32t-SEZ32b

2–22Quick Installation and Operationinterface software. Most desktop computers areequipped with one, but if yours isn’t, you might have topurchase an

2–32Quick Installation and OperationFor the operation you require, consult the installationprocedure for the communications software you havechosen.

2–42Quick Installation and Operation4. Optionally, you may plug a standard telephone intothe jack marked “PHONE” on the back of themodem. This will a

2–52Quick Installation and OperationComputer/Terminal SetupFor existing applications, all you need to do is changethe speed of your DTE to 230,400, 11

2–62Quick Installation and OperationTo exit an ALB test, type:+++Wait for the OK message and then type:AT&T0<ENTER>Wait for the OK message.

2–72Quick Installation and OperationIf the PC or terminal is correctly set up, you will get anOK message. To begin dialing, type:ATDT telephone numbe

2–82Quick Installation and Operationport speed status by entering an ATW1 command priorto dialing. You can dial telephone numbers of anycombination o

2–92Quick Installation and OperationAT&Z1=1 510 783 2538 <ENTER>&Z1 is the number of the memory location, which can befrom 0 to 3, and 1

2–102Quick Installation and OperationLine Speed, Port Speed, and Error Control NegotiationsLine SpeedThe modem can have three basic types of line spee

2–112Quick Installation and OperationIn addition, the modem can be optioned to force aparticular line speed with the N0 command and withS37 set to equ

iiZCopyright 1998 by Zypcom, Inc.Document No. 18008-514ASeptember 1998This manual is published by Zypcom, Inc. who reserves the right tomake changes

2–122Quick Installation and OperationWhen communicating with lots of different types ofmodems, it is important to understand how the linespeed, port s

3–1CHAPTER3InstallationUnpackingThe SX-Series and SE-Series modem box comeswith a modem, a manual, a detachable telephonecord and an AC power adapter.

3–23InstallationSite SelectionPlace the modem so that its cables reach the telephonewall jack, the power adapter, and your computer orterminal. There

3–33Installationto PC (RS-232)to telephonewalljackto 110 VACoutletPOWERPHONEWALLFigure 3.1.Z32b-SX.3.1Figure 3-1. Dial-up Modem ConnectionsAC Power A

3–43InstallationDTE ConnectionThe DTE is the computer, terminal or other device hav-ing a serial data port that you will be connecting to themodem. T

3–53InstallationTABLE 3-1. PIN ASSIGNMENTSZYPCOM EIA/BELL SIGNAL MODEM DTE TOPIN DESIG.DESIG.DESCRIPTION GROUND TO DTE MODEM1 FG AA Protective Ground

3–63InstallationTABLE 3-2. TELEPHONE LINE INTERFACE (AT REAR OF MODEM OR ADAPTER 15080-001)PERMISSIVE MODEM JACK LABELEDCONNECTION WALL—PIN NO.COLOR

3–73Installationsignals from the modem to the wall jack. This is thesimplest type of connection and is used on moststandard telephones. The modem tr

3–83InstallationProgrammableConnectionA programmable connection corrects for the signal lossbetween the modem and the PSTN central office. Theloss is

3–93InstallationPowering UpTurn the modem and the computer equipment on. Asthe modem powers up, it will start a self-test diagnostic.The modem will c

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

3–103InstallationChecking YourComputer to ModemLinkTo check the asynchronous link between the DTE andmodem, you must set up your DTE’s communicationpa

3–113Installationdata from your DTE keyboard. What you send to themodem should be echoed back to the DTE screen if yourmodem is working properly. If

3–123Installation2. The communications software may be set to thewrong COM port.3. The cable linking the modem to the computer is thewrong type.4. Som

3–133InstallationTo verify that the modem cable is the correct one (withat least straight-through pins 1 through 8 and 20), seeRS232-D pin assignments

3–143Installationthese files already developed and your software willallow user-defined modem initialization files, readChapter 2 and Appendix B for i

4–1CHAPTER4Basic OperationGeneralThe modem can be operated in three primaryways:❑ Manual operation❑ V.25bis commands❑ AT commandsThe AT command set, t

4–24Basic Operationmodem manufacturers who supply V.25bis dialers haveextended the V.25bis command set to include modemoption capabilities. The Zypco

4–34Basic Operationare in asynchronous communication and have speedconversion enabled (see AT command &Bn). Commoncommunication settings are 8N1

4–44Basic OperationRecall Factory OptionsTo reset the modem to factory settings, type:AT&F0&W<ENTER>If the modem was previously optioned

4–54Basic OperationRXD (Receive Data)The RXD light goes on when the computer or terminalreceives data from the modem. For example, if you sendan ATDT

ivZChapter 3 InstallationUnpacking the Modem ... 3-1Items That You Must Provide...

4–64Basic OperationEC (Error Control)EC goes on if the modem is on-line using error controland data compression. Also, EC flashes with eachretransmis

4–74Basic OperationTABLE 4-1. OPERATION OF SPD LEDSTATUS SPD CONNECTION ON-LINE SPEED DTE AUTOBAUD SPEEDGreen V.34 33.6, 31.2, 28.8, 26.4, 230,400, 1

4–84Basic Operation1. Pick up the telephone and dial the remote modem’stelephone number.2. Press the <DATA> key while you still hear ringing,the

4–94Basic OperationManual Disconnect(Go Back On-Hook)While on-line in data mode or in test mode, press the<DATA> key to drop carrier and disconn

4–104Basic OperationSetting DIP SwitchesThe modem has a 10-position DIP switch. The tablebelow indicates various manual options that areavailable.TAB

4–114Basic OperationOPTION NAME SWITCH NO.SETTINGV.25BIS DIALING SW8ON EnabledOFF DisabledV.25BIS DATA FORMAT SW9ON Character-oriented (BSC-NRZ)OFF Bi

4–124Basic OperationAutomatic AnsweringThe modem is set to automatically answer, that is, itanswers all incoming calls, determines at what speedthe re

4–134Basic Operationthe SX-Series and SE-Series that have the AT commandset and AT responses will allow you to be compatiblewith an extensive variety

4–144Basic OperationATDSn &Zn=xAT&VnATZ3AT&W3 AT&W2AT&Y3 ATZ2 AT&Y2AT&W1ATZ1AT&Y1ATZ0AT&W0AT&Y0Stored phonenum

4–154Basic OperationStored ProfilesThe modem’s stored profiles consist of four user-specified profiles. Any one of these can be recalled asthe active

vZChapter 5 AT Command SetModem Capabilities...5-1Functional Modem States...

4–164Basic OperationSave User Profile(AT&Wn)The &Wn command, where n equals 0 through 3, savesAT commands and S-register settings (also known

4–174Basic OperationSelect Power-onProfile (AT&Yn)Any one of the four user-specified profiles can bedesignated as the power-up configuration. The

4–184Basic OperationPrestored Profile toUser ProfileSet your terminal or communications software data rateto 230,400 bps or any other appropriate spee

5–1CHAPTER5AT Command SetA Hayes AT-compatible modem operates withstandard commands that enable a computer toconfigure and control the modem. The mod

5–25AT Command SetFunctional Modem StatesDuring asynchronous AT operation, the modemfunctions in one of these three modes:❑ Command mode❑ On-line data

5–35AT Command SetOn-line CommandModeWhen an on-line modem receives the +++ escapesequence (or as otherwise defined by register S2) fromthe attached c

5–45AT Command SetCommand MessagesWhen you issue an AT command and end of line flag(<ENTER>) to the modem, your DTE screen shoulddisplay an OK m

5–55AT Command SetAT Command BufferWhen you send the AT<ENTER> command to themodem, it determines the DTE’s serial port speed andbits per charac

5–65AT Command SetTABLE 5-1. AT COMMAND SETCOMMAND GENERAL DESCRIPTION REFERENCE+++ Escape sequence 5–9A Manual answer 5–9A/ Re-execute last command

5–75AT Command SetCOMMAND GENERAL DESCRIPTION REFERENCE&K Modem flow control 5–30&L Line type select 5–32&N Automatic error control abort

viZHardware Setup of Synchronous Operation ... 7-25Example: Synchronous Dial-on-DTR for 7400... 7-27Chapter 8 Leased Line OperationGene

5–85AT Command SetCOMMAND GENERAL DESCRIPTION REFERENCE^S Secondary channel control 5–47#B Busyout control 5–47#C Caller ID control 5–48#L Serial Port

5–95AT Command Set+++ (EscapeSequence)Directs the modem to enter on-line command modefrom on-line (data) mode (TIES implementation).A (Manual Answer)S

5–105AT Command SetB (CCITT/BellCompatibility)Selects the answer tone frequency transmitted by themodem. The CCITT specification for V.22 has anansw

5–115AT Command Set, Inserts a pause of two seconds (or thevalue in seconds of register S8)R Forces the modem to dial a call in answermodeW Causes the

5–125AT Command SetE (CommandCharacter Echo)Controls whether or not the modem echoes thecommand characters it receives. At power-on, thedefault setti

5–135AT Command SetI (Memory andFirmware Status)Requests a three-digit product code stored in themodem. Some software communications programs sendATI

5–145AT Command SetM (Speaker Control)Controls operation of the speaker.COMMAND DESCRIPTIONMn Speaker controlM0 Sets speaker always offM1* Sets speak

5–155AT Command SetO (Return to DataMode)Returns to data mode from on-line command mode.The modem returns to the same mode—either originateor answer—f

5–165AT Command SetV (Result CodesType)Controls whether the screen displays result codes aswords or as single-digit characters (see Tables 5-2, 5-3and

5–175AT Command SetTABLE 5-2. AT RESULT MESSAGE VALUES WHEN ATW0 IS SETMESSAGES MESSAGE SELECTIONWORDS DIGITS X0 X1 X2 X3 X4 X5 X6OK 00 On On On On O

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

5–185AT Command SetTABLE 5-3. AT RESULT MESSAGE VALUES WHEN ATW2 IS SETMESSAGES (NOTE 1) MESSAGE SELECTIONWORDS (NOTE 1) DIGITS X0 X1 X2 X3 X4 X5 X6CO

5–195AT Command SetTABLE 5-4. AT RESULT MESSAGE VALUES WHEN ATW1 IS SETMESSAGES (NOTE) MESSAGE SELECTIONWORDS DIGITS X0 X1 X2 X3 X4 X5 X6CARRIER 300 4

5–205AT Command SetX (Basic ResultCodes)Requests certain messages to be displayed or sup-pressed. You can choose from seven sets of messages.(Tables

5–215AT Command SetY (Long SpaceDisconnect)Some computer systems end a data session by sendingor receiving a continuous break signal. This capability

5–225AT Command Set&A (V.42 ErrorControl)When the modem has been set for auto-reliableoperation, this command determines whether or not themodem s

5–235AT Command Set&C (CXR Control)Determines how the modem handles CXR on the DTEinterface (pin 8). Most computers operate with CXR setto follow

5–245AT Command SetNOTE 3: &C3, &C4 and &C5 control operationof the V.13 pattern, referred to as switchedcarrier. See Chapter 9 for a V.

5–255AT Command Set&Q command. Do not use &Q2 with thisoption. &Q2 is used for PCs. The &D4option is used for dial-up routers, serv

5–265AT Command Set&E (AutomaticModem Retrain)Enables the modem to monitor line conditions continu-ously. When those conditions deteriorate, the

5–275AT Command Set&G (Guard ToneControl)Defines how the modem will handle guard tone. Guardtone is a frequency generated by the answer-side mode