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Multitech MultiModem MT2834ZPW, Руководство пользователя

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Multitech MultiModem MT2834ZPW Скачать руководство пользователя страница 57

Chapter 6 - Solving Problems

57

There Are Garbage Characters on the
Monitor

•

Your computer and the remote computer may be set to different
word lengths, stop bits, or parities. If you have connected at 8-N-1,
try changing to 7-E-1, or vice-versa, using your communications
software.

•

You may be experiencing line noise. Enable error correction, if it is
disabled, or hang up and call again; you may get a better
connection.

•

At speeds above 2400 bps, the remote modem might not use the
same transmission or error correction standards as your modem.
Try connecting at a slower speed or disabling error correction.
(With no error correction, however, line noise can cause garbage
characters.)

Fax and Data Software Won’t Run at the
Same Time

•

Although you can have Windows 95-compliant data and fax
communication applications open at the same time, they cannot
use the same modem at the same time. Make sure no other
application is online when you try to dial out. If you are using legacy
communications software with Windows 95, you may get a
message that another application is occupying the device even
when no call is in progress. Close any open legacy communications
programs, and try again.

Содержание MultiModem MT2834ZPW

Страница 1: ...Model MT2834ZPW Owner s Manual...

Страница 2: ...of such revisions or changes Record of Revisions Revision Date Description A 11 7 96 Manual released Trademarks MultiModem MultiModemZPW Multi Tech and the Multi Tech logo are trade marks of Multi Te...

Страница 3: ...ou supply 12 Safety Warnings 13 Installation 13 Step 1 Install the MT2834ZPW into the Computer 14 Step 2 Connect the Phone Line 15 Step 3 Connect a Microphone and Speaker 16 Step 4 Install the Windows...

Страница 4: ...er Appears Slower Than It Should Be 56 Data Is Being Lost 56 There Are Garbage Characters on the Monitor 57 Fax and Data Software Won t Run at the Same Time 57 Chapter 7 Warranty Service and Tech Supp...

Страница 5: ...Chapter 1 Intorduction and Description...

Страница 6: ...fax voice modem designed for Pentium computers running the Windows 95 operating system General features include Easy Windows 95 Plug and Play PnP installation Compliance with major ITU T TIA and EIA i...

Страница 7: ...V 17 Group 3 fax communication standards allowing it to communicate with other fax modems as well as with fax machines Responds to Class 1 fax commands enabling it to exchange editable and encrypted f...

Страница 8: ...This chapter introduces the MT2834ZPW briefly describing its features and package contents It also describes the typographic conventions used in this manual Section II Modem Installation Chapter 2 Ins...

Страница 9: ...result codes which provide you and your software with operational feedback Section IV Troubleshooting Chapter 6 Solving Problems This chapter describes some common problems you may run into with your...

Страница 10: ...EY Names of keyboard keys are shown in all caps e g BACKSPACE Function Key Angle brackets indicate a non literal entry For example CR represents the carriage return character that is sent by the key l...

Страница 11: ...Chapter 2 Installing Your Modem...

Страница 12: ...card One MT2834ZPW Drivers disk One telephone cable Communications software and reference manual This MultiModemZPW Owner s Manual You supply A 100 MHz or faster Pentium PC We recommend a 166 MHz or f...

Страница 13: ...modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electrical shock from lightning Do not use a telephone in the vici...

Страница 14: ...3 Select an empty 16 bit half or full size ISA expansion slot Remove the expansion slot cover and save the retaining screw 4 Before handling the MT2834ZPW discharge any static in your body by touching...

Страница 15: ...d for you by your telephone company In the U S installation kits and adapters are available wherever telephones are sold 1 Plug one end of the supplied modular telephone cable into the MT2834ZPW s LIN...

Страница 16: ...messages or for speakerphone use See Figure 2 2 MIC IN LINE OUT LINE PHONE PHONE jack to connect an optional telephone LINE OUT jack to connect optional speakers MIC IN jack to connect an optional mic...

Страница 17: ...the OK button The Install from Disk window appears 3 Insert the MT2834ZPW Drivers disk into your computer s floppy drive select the drive letter A is the default and click on the OK button The compute...

Страница 18: ...MT2834ZPW Owner s Manual 18...

Страница 19: ...Chapter 3 Testing Your Installation...

Страница 20: ...upt request IRQ number Because the number of IRQs is limited a computer with several accessories may not have an available IRQ for your new modem In that case you may have to decide which of your othe...

Страница 21: ...dem s COM port 10 Write down the modem s port interrupt address and highest speed You will need this information to set up any legacy non Windows 95 communications software you install Port COM__ Inte...

Страница 22: ...2 in the Phone Number box 6 Verify that Multi Tech MT2834ZPW is selected in the Connect Using drop down list box then click OK 7 In the Connect dialog box click Dialing Properties 8 Make any necessary...

Страница 23: ...ownload 16 If you answered N in step 13 log off the BBS by pressing ENTER typing G for good bye and pressing ENTER twice more 17 In the HyperTerminal window click File Save to save the HyperTerminal C...

Страница 24: ...ough you can change the application connection descriptions one at a time it is easier to force Windows 95 applications to use the MT2834ZPW by removing the old modem installation from Windows 1 Selec...

Страница 25: ...se New Fax wizard appears Click Next 6 If you wish to send the file to your own fax machine or to another fax modem in your office type the destination name and phone number in the To and Fax boxes If...

Страница 26: ...er Ways to Access Microsoft Fax In a Windows 3 1 or Windows 95 application select File Print and select Microsoft Fax as the default printer In a Windows 95 application select File Send In Microsoft E...

Страница 27: ...Panel and double click on the Multimedia icon Under the Audio tab select Modem Wave Driver as your preferred device for both playback and record settings then try again Loopback Test 1 Connect a micr...

Страница 28: ...l the Multi Tech BBS HyperTerminal starts with the Connect dialog box open 4 Click Cancel in the Connect dialog box 5 In the HyperTerminal terminal window type AT FCLASS 8 AT VLS 7 ATDTxxxxxxx dials t...

Страница 29: ...Chapter 4 Configuring Your Communications Software...

Страница 30: ...ill help you make configuration choices specific to the MT2834ZPW For help with other configuration choices please refer to the software s manual or online Help Generally your best course is to accept...

Страница 31: ...store the new commands in the modem s nonvolatile memory e g AT FS0 1 W You can then simplify your initialization string to ATZ M 5 If you are using legacy software select the port the modem is connec...

Страница 32: ...MT2834ZPW Owner s Manual 32...

Страница 33: ...Chapter 5 Controlling Your Modem...

Страница 34: ...all command lines except A and the escape sequence Command ENTER Key Values n a Description Press the ENTER key to execute most commands Command A Answer Values n a Description Answer an incoming cal...

Страница 35: ...umber Must be placed immediately after ATD P Pulse dial following numbers in command T Tone dial following numbers in command default V Switch to speakerphone mode and dial the following number Use AT...

Страница 36: ...online data character echo Not supported F1 Disable online data character echo included for back ward compatibility with some software Command Hn Hook Control Values n 0 or 1 Default 0 Description H0...

Страница 37: ...Nn Modulation Handshake Values n 0 or 1 Default 1 Description N0 Modem performs handshake only at communication standard specified by S37 and the B command N1 Modem begins handshake at communication...

Страница 38: ...4 Description X0 Basic result codes e g CONNECT does not look for dial tone or busy signal X1 Extended result codes CONNECT 28800 V42bis CON NECT 33600 V42bis etc does not look for dial tone or busy...

Страница 39: ...C0 Force Data Carrier Detect signal high C1 Let Data Carrier Detect follow carrier signal Command Dn Data Terminal Ready DTR Control Values n 0 1 2 or 3 Default 2 Description D0 Modem ignores DTR sign...

Страница 40: ...ion Values n 0 3 or 4 Defaults 3 Description K0 Flow control disabled K3 Enable CTS RTS hardware flow control K4 Enable XON XOFF software flow control Command Mn Communications Mode Values n 0 Default...

Страница 41: ...power on or following the ATZ command instead of loading the factory defaults from ROM Command Yn Select Stored Configuration for Hard Reset Values n 0 Default 0 Description Y0 Select stored configura...

Страница 42: ...Mode Selection Values n 0 5 or 7 Default 3 Description N0 Non error correction mode with data buffering same as Q6 N1 Direct mode N2 MNP reliable mode N3 V 42 MNP auto reliable mode N4 V 42 reliable m...

Страница 43: ...and discard XON XOFF characters X1 Not supported responds ERROR Command Cn Data Calling Tone Values n 0 or 1 Defaults 0 Description C0 Disable V 25 data calling tone C1 Enable V 25 data calling tone C...

Страница 44: ...ronous data channel On underflow the modem sends HDLC flag idle 0x7E to the remote modem This special error correction mode is overridden by any of the following commands F M Q and N ES shows the only...

Страница 45: ...II code for the carriage re turn character S4 decimal 0 127 10 J Sets ASCII code for the line feed character S5 decimal 0 32 8 H Sets ASCII code for the backspace 33 127 character Values greater than...

Страница 46: ...14400 bps 12 16800 bps 13 19200 bps 14 21600 bps 15 24000 bps 16 26400 bps 17 28800 bps 18 31200 bps 19 33600 bps S42 decimal 0 1 1 For testing and debugging only En ables disables the V 32bis and V 2...

Страница 47: ...at 19200 bps 24 CONNECT 7200 Connected at 7200 bps 25 CONNECT 12000 Connected at 12000 bps 26 CONNECT 16800 Connected at 16800 bps 40 CONNECT 300 Connected at 300 bps 55 CONNECT 21600 Connected at 21...

Страница 48: ...MT2834ZPW Owner s Manual 48...

Страница 49: ...Chapter 6 Solving Problems...

Страница 50: ...e COM port you chose during setup matches the COM port set in your communications software See Chapters 2 and 3 Check that the phone cord between the modem s LINE jack and the wall jack is undamaged a...

Страница 51: ...the connection description in your communications software Try resetting your modem by sending it an ATZ or AT F command in terminal mode If you are using legacy software software designed for an olde...

Страница 52: ...hen double click on the Communications Port your modem is connected to In the port s Properties sheet click on the Resources tab to see the port s Input Output range and Interrupt Request If another d...

Страница 53: ...the telephone wall jack If the cable looks secure try replacing it If that doesn t work the problem may be in your building s telephone installation To test the building installation plug a telephone...

Страница 54: ...If the modem reports NO ANSWER the other system has failed to answer or you might have dialed a wrong number Check the number If the modem reports NO CARRIER the phone was answered at the other end b...

Страница 55: ...ial Prefix box To change it for Windows 95 software select Start Settings Control Panel Modems In the Modems Properties sheet select the Multi Tech MT2834ZPW click Dialing Properties check This locati...

Страница 56: ...a clean line for maximum speed Are you downloading a compressed file with MNP 5 hardware compression enabled Since hardware data compression cannot compress a file already compressed by an archiving...

Страница 57: ...sion or error correction standards as your modem Try connecting at a slower speed or disabling error correction With no error correction however line noise can cause garbage characters Fax and Data So...

Страница 58: ...MT2834ZPW Owner s Manual 58...

Страница 59: ...Chapter 7 Warranty Service and Tech Support...

Страница 60: ...terial or workmanship for a period of five years from the date of purchase or if date of purchase is not provided five years from the date of shipment unless otherwise limited or prohibited by law MTS...

Страница 61: ...l help Tech Support in answering your questions Modem model no _______________________________ Modem serial no _______________________________ Modem firmware version _________________________ Drivers...

Страница 62: ...ions To return a modem for repair from inside the USA no RMA is required simply send it to us freight prepaid Include a description of the problem return billing and shipping addresses a check or purc...

Страница 63: ...ing steps 1 Set your communications program to 8 N 1 2 Dial our BBS at 800 392 2432 USA and Canada or 612 785 3702 international and local 3 At the prompts type your first name last name and password...

Страница 64: ...a s list number and pressing ENTER 3 Enter L to list all the files in the selected file areas Enter C to go forward in the file list and P to go back 4 Mark one or more files for download by entering...

Страница 65: ...sion area To leave a personal message select the Message Menu by typing M at the Main Menu Type E then press ENTER to select the Sysop conference Enter the name of the recipient or Sysop the subject a...

Страница 66: ...ternet Multi Tech is a commercial provider on the Internet and we retrieve e mail messages from the following mailboxes on a periodic basis mtsmktg multitech com Marketing Dept mtssales multitech com...

Страница 67: ...eting catalog or the Technical Support catalog of documents For convenience write your fax number in the following space _________________________________ From the Sales and Marketing catalog you can...

Страница 68: ...MT2834ZPW Owner s Manual 68...

Страница 69: ...Appendices...

Страница 70: ...EN is used to determine the quantity of devices which may be connected to the telephone line Excessive REN s on the telephone line may result in the devices not ringing in response to an incoming call...

Страница 71: ...horized repairs void registration and warranty 8 This equipment cannot be used on public coin service provided by the telephone company Connection to Party Line Service is subject to state tariffs Con...

Страница 72: ...equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help WARNING Changes or modifications to this...

Страница 73: ...pplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users shoul...

Страница 74: ...ixed to the enclosed Multi Tech product to confirm compliance with the following European Community Directives Council Directive 89 336 EEC of 3 May 1989 on the approximation of the laws of Member Sta...

Страница 75: ...ing voltages 12 VDC 12 VDC 5 VDC Modem power consumption 1 2 Watts In order to maintain the independent approval of this card it is essential that when other option cards are introduced which use or g...

Страница 76: ...tances Except at the edge connector which plugs into the host s expansion slot clearance distance Xmm and creepage distance Ymm as given in the above table must be maintained between the communication...

Страница 77: ...y with ITU T recommendation V 28 The DTE connections are therefore taken to be safe voltages less than 30 volts Ports which are capable of connecting to other apparatus are defined as SELV To ensure c...

Страница 78: ...us is subject to any modification in any material way not authorized by BABT or if it is used with or connected to i internal software that has not been formally accepted by BABT ii external control s...

Страница 79: ...maximum allowable pause of 8 seconds from the time the modem goes off hook until dialing begins e For correct operation of the call progress monitor the power has to be properly connected and switche...

Страница 80: ...to 44 100 kHz down sampled to 11 025 kHz Plug and Play PnP ISA Specification 1 0a for one logical device PnP autoconfiguration sequence compliant full 16 bit ad dress decode to meet Microsoft s PC 95...

Страница 81: ...00 21 600 24 000 26 400 28 800 31 200 and 33 600 bps Fax Modulations V 21 CH2 FSK at 300 bps V 27ter DPSK at 4800 and 2400 bps V 29 QAM at 9600 and 7200 bps V 17 TCM at 14400 12000 9600 and 7200 bps C...

Страница 82: ...local analog loop Transmit Level 10dB Frequency Stability 0 01 Receiver Sensitivity 43 dB under worst case conditions AGC Dynamic Range 43 dB Serial Interface ITU T V 24 V 28 Bus Type 16 bit ISA or E...

Страница 83: ...1 S 53 83 s 73 115 T DC4 14 20 4 34 52 T 54 84 t 74 116 U NAK 15 21 5 35 53 U 55 85 u 75 117 V SYN 16 22 6 36 54 V 56 86 v 76 118 W ETB 17 23 7 37 55 W 57 87 w 77 119 X CAN 18 24 8 38 56 X 58 88 x 78...

Страница 84: ...MT2834ZPW Owner s Manual 84...

Страница 85: ...Index...

Страница 86: ...ring machine capabilities 7 test 27 ASCII codes 83 Asynchronous Communications Mode command 40 AT commands 7 B 43 C 43 S 44 B 39 C 39 D 39 F 39 G 40 J 40 K 40 M 40 Q 40 S 40 T 41 V 41 W 41 Y 41 Z 41 A...

Страница 87: ...36 F 36 H 36 I 36 61 L 37 M 37 N 37 O 37 Q 37 S 38 S 38 V 38 X 38 53 Y 38 Z 39 Auto answer 45 Autobaud 31 Auxiliary Relay Control command 40 B Backspace character 45 BBS Multi Tech 22 63 83 BBS timeo...

Страница 88: ...d 40 Communications software configuring 30 Compression data 7 CompuServe 31 56 66 Configuration selecting 41 storing 41 viewing 41 Configuring communications software 30 Conflicting Device List 20 Co...

Страница 89: ...rol command 39 E Echo Command Mode Characters command 36 Echo Online Data Characters command 36 Enable Synchronous Buffered Mode command 44 ENTER key 34 Error correction 7 Error Correction Mode Select...

Страница 90: ...ommand 36 Initialization strings 31 51 Installation 14 hardware 12 requirements 12 Windows 95 drivers 17 Internet 66 IRQ 20 L Line feed character 45 Load Factory Default Settings command 39 Load numbe...

Страница 91: ...BS 22 63 Multi Tech fax back service 67 MultiModemZPW Help 23 O On hook off hook 36 Online command mode 37 Outside line dialing an 31 P Package contents 8 Pause dialing 45 Plug and Play 6 Port address...

Страница 92: ...10 45 S11 45 S2 45 S28 46 S3 45 S35 46 S37 46 54 S4 45 S42 46 S43 46 S5 45 S6 45 S7 45 S8 45 S89 46 setting 38 Safety 13 Select Stored Configuration command 41 Self Test commands 41 Serial port baud r...

Страница 93: ...nd 41 Storing current configuration 31 telephone numbers 7 41 Synchronous buffered mode 44 T Technical specifications 80 Technical support 61 66 Telephone cable 15 Telephone line 15 Telephone numbers...

Страница 94: ...urrent Configuration command 41 View Numbers in Blacklist command 43 Voice command set 7 features 7 tests 27 W Wait before dialing 45 Wait for carrier 45 Warranty 60 WinCIM 56 Windows 95 6 Windows 95...

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