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46

MT2834ZPX Owner's Manual

Result Codes

The MT2834ZPX Command mode provides you with several
responses, or 

“Result Codes”, that can aid you in Command mode

operation.  These Result Codes are displayed on your video monitor.

AT&Q0 selects Multi-Tech responses with Reliable/LAP-M/
Compressed modifiers.  The terse result code for 

CONNECT 2400 is

9.

AT&Q1 selects Standard AT command set responses.  The terse
result code for 

CONNECT 2400 is 10. The following tables list result

codes generated by the 

&Q command.

Table 4-2 &Q0 "Multi-Tech" Result Codes

TERSE

VERBOSE

0

OK

1

CONNECT

2

RING

3

NO CARRIER

4

ERROR

5*

CONNECT 1200

6

NO DIALTONE

7

BUSY

8

NO ANSWER

9*

CONNECT 2400

11*

CONNECT 4800

12*

CONNECT 9600

13*

CONNECT 14400

19*

CONNECT 19200

21*

CONNECT 21600

24*

CONNECT 24000

26*

CONNECT 26400

28*

CONNECT 28800

31*

CONNECT 31200

33*

CONNECT 33600

* With MNP error correction on, RELIABLE (or R) is added to these
result codes. With LAP-M  error correction on, LAP-M (or L) is added
to these result codes. With data compression on, COMPRESSED (or
C) is added. (Note these 

"Extended" Result Codes are displayed when

your modem is set-up to do so with an  X1, X2, X3, or X4 command.)

Содержание MultiModem MT2834ZPX

Страница 1: ...Model Number MT2834ZPX Owner s Manual...

Страница 2: ...This manual documents enhancements 11 25 96 implemented in firmware version 0 22 Theses enhancements include extended V 34 rates 33 6K 31 2K and overall format and editorial changes throughout this m...

Страница 3: ...uction 15 ConfiguringSoftware for Your Modem 15 PC Initialization Strings 16 Changing Default Parameters 17 Configuring Software for Your Computer 17 Configuring Software for the Remote System 18 Term...

Страница 4: ...4 Loop 3 56 Digital Loopback Test V 54 Loop 2 Local Manual 57 Digital Loopback Test V 54 Loop 2 Remote Automatic 58 Chapter 7 Service Warranty and Tech Support Introduction 60 Limited Warranty 60 On l...

Страница 5: ...tiation in 2400 bps increments Your modem features CCITT V 42 error correction and V 42bis data compression providing 100 error free data transmission V 42 error correction incorporates MNP Classes 3...

Страница 6: ...PX is a internal half length fax modem card for IBM Personal Computers PC XT AT Pentium or compatible units and fits into a full or half size expansion slot The MT2834ZPX provides dial up asynchronous...

Страница 7: ...ion Chapter 3 Software Configuration Chapter 3 documents communication software configuration recommended specifically for the MT2834ZPX There is also some discussion of how to identify the limitation...

Страница 8: ...st and how to use each test procedure Chapter 7 Service Warranty Technical Support BBS Chapter 7 provides instructions for getting modems serviced at the factory and information on product warranty in...

Страница 9: ...lephone wiring during a lightning storm 2 Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations 3 This product is to be used with UL and CUL listed...

Страница 10: ...unused slot s which you will be using for your modem card and remove the slot cover s per the instructions in your computer s documentation 4 Figure 2 1 illustrates the default COM port and IRQ value...

Страница 11: ...11 Chapter 2 Installation and Configuration Figure 2 1 MT2834ZPX Printed Circuit Board and Alternate COM Port IRQ Settings...

Страница 12: ...a telephone set into the modem s connector labeled PHONE JACK This connector is provided as a convenience Simply plug one end of the RJ11C s modular jack that is provided with the modem into the modem...

Страница 13: ...ugh a set of modem configurations which you select and then associate with a target telephone number Once you have created saved and named this set of information according to your connection needs an...

Страница 14: ...a scrambling noise is heard as the modem negotiates the kind of connection it can make and once the modems have settled on a common connection a connect message on your computer s video is displayed...

Страница 15: ...ation is the modem initialization string This is a sequence of commands the software uses to configure the modem when the communications software is loaded or when a session begins Always begin the in...

Страница 16: ...rriage return character in the MT2834ZPX and most communications programs The carriage return character is defined in the MT2834ZPX in S register S3 if you change it you must also change the carriage...

Страница 17: ...nfiguring Software for Your Computer You must configure your communications software to match your computer s configuration If the MT2834ZPX is connected to the COM2 communications port you must tell...

Страница 18: ...nal Emulation If you are accessing the remote computer as if from an on site terminal the keyboard codes used by your computer may not match the ones used by the remote computer To be compatible with...

Страница 19: ...n to Disable Data Compression The speed advantage hardware compression gives you is entirely dependent on how much the data being transmitted can be compressed If the data is already in compressed for...

Страница 20: ...to auto reliable mode E1 However you may encounter some circumstances in which the MT2834ZPX will work better with error correction turned off For example it has been reported that on CompuServe error...

Страница 21: ...effect However there is another problem when the FIFO buffer is enabled Windows cannot recognize the COM port because of a bug in the Windows 3 1 serial port driver COMM DRV The only way around this p...

Страница 22: ...to your modem and not through your software each command must begin with AT ATtention Characters AT characters may be entered in upper or lower case Entering AT automatically sets the modem s speed t...

Страница 23: ...all originating capabilities the MT2834ZPX can also automatically answer incoming calls You need not be present You can however control the situation by configuring the modem to either answer or not t...

Страница 24: ...a DESCRIPTION Continuous redial 10 redials in DOC units of last number until answered Not used in International Models COMMAND VALUES n a DEFAULT n a DESCRIPTION This symbol placed in dialing string...

Страница 25: ...lects initial handshake at 2400 to 1200 to 300 bps COMMAND Bn VALUES n 0 or 1 DEFAULT B0 DESCRIPTION B0 selects normal transmit buffer size B1 selects reduced transmit buffer size COMMAND BSn VALUES n...

Страница 26: ...ne DEFAULT n a DESCRIPTION Dial a telephone number s where s may include up to 60 digits or T P R comma and characters COMMAND DsNd VALUES s phone and d 0 thru 9 DEFAULT n a DESCRIPTION Store telephon...

Страница 27: ...ng handshaking COMMAND DTn VALUES n 0 or 1 DEFAULT DT0 DESCRIPTION DT0 disables modem detecting DTMF tones DT1 enables modem detecting and reporting DTMF tones when it is off hook COMMAND En VALUES n...

Страница 28: ...means data compression enabled COMMAND En VALUES n 0 thru 5 DEFAULT E1 DESCRIPTION E0 Modem Won t Escape E1 Method default setting E2 Break Method E3 Either or Break Method E4 No OK Response to E5 OK...

Страница 29: ...550 Hz guard tone G2 turns on CCITT 1800 Hz guard tone Not used in International models COMMAND Hn VALUES n 0 or 1 DEFAULT n a DESCRIPTION H0 selects Hang Up go on hook H1 selects Go Off Hook COMMAND...

Страница 30: ...COMMAND L VALUES 5 6 7 8 9 10 and 11 DEFAULT Read Only Command DESCRIPTION L5 lists all current operating parameters L6 lists all current S Register values L7 lists additional parameters L8 lists curr...

Страница 31: ...ine MB28800 selects 28800 bps on line MB33600 selects 33600 bps on line COMMAND Nd VALUES d 0 thru 9 DEFAULT n a DESCRIPTION Dial stored telephone number d Do not include the letter D in this command...

Страница 32: ...EFAULT Q0 DESCRIPTION Q0 selects Multi Tech command set Q1 selects AT command set COMMAND Rn VALUES n 0 or 1 DEFAULT R0 DESCRIPTION R0 selects modem will not reverse modes R1 selects modem will revers...

Страница 33: ...SCRIPTION Reads value of S Register r and displays value in 3 digit decimal format COMMAND SBn VALUES n speed DEFAULT SB115200 bps DESCRIPTION SB300 selects 300 bps at serial port SB1200 selects 1200...

Страница 34: ...ng the T COMMAND Tn VALUES n 4 or 5 DEFAULT T5 DESCRIPTION T4 selects Enable Response to Request for Remote Digital Loopback T5 selects Disable Response to Request for Remote Digital Loopback COMMAND...

Страница 35: ...ponse V1 selects Result Codes sent as words verbose response COMMAND Vn VALUES n 0 or 1 DEFAULT V1 DESCRIPTION User can bypass V 32terbo handshaking process V0 selects V 32terbo enabled in originate a...

Страница 36: ...with NO DIAL TONE and BUSY COMMAND Xn VALUES n 0 or 1 DEFAULT X0 DESCRIPTION X0 selects single XOFF character sent until XON level returns X1 selects multiple XOFF characters after buffer level is ful...

Страница 37: ...ds of silence before processing next part of command COMMAND AT CR VALUES n a DEFAULT n a DESCRIPTION In band Escape Sequence Places modem in Command mode while still remaining On Line Enter followed...

Страница 38: ...figuration equipped modem you enter the proper Remote Escape code to enable entering your Set up Password After entering it you can then execute AT commands as if you were connected locally If you set...

Страница 39: ...RETURN The modem responds with 1 DATA Mode 2 COMMAND Mode 5 Enter a 1 to go back on line with your computer or enter 2 and the correct password to talk to your modem Password Commands COMMAND Ixxxxxxx...

Страница 40: ...er number and a question mark then hit RETURN To verify that the S Register value was entered correctly enter for example ATS8 and hit RETURN You should receive a response of the assigned value given...

Страница 41: ...E FEED S5 Backspace Character Unit ASCII Character Range 0 127 Default 8 Description Defines the character recognized as BACKSPACE S6 Wait Time for Dial Tone Unit 1 second Range 2 255 4 255 Default 2...

Страница 42: ...dem first detects a valid incoming carrier signal and when the modem turns on its Carrier Detect circuit S10 Carrier Loss Disconnect Delay Time Unit 100 mSec Range 0 255 Default 7 Description Sets the...

Страница 43: ...7 defines the break time space to local PC S24 PBX CBX Disconnect Drop Time for DSR CTS CD Unit 50 mSec Range 0 255 Default 20 Description Defines DSR CTS CD dropout time The default of 20 equals one...

Страница 44: ...e Range 0 255 Default 0 Description Inactivity timer used to disconnect the modem S32 Time Elapse for Escape Sequence Unit 1 second Range 0 255 Default 20 Description Sets the duration in which modem...

Страница 45: ...cond Range 0 255 seconds Default 5 Description Sets the time between DTR being active and the modem going on hook not busy S48 Program V 34 Connect Speeds Unit N A Range 33 31 28 26 21 19 16 14 12 9 a...

Страница 46: ...des generated by the Q command Table 4 2 Q0 Multi Tech Result Codes TERSE VERBOSE 0 OK 1 CONNECT 2 RING 3 NO CARRIER 4 ERROR 5 CONNECT 1200 6 NO DIALTONE 7 BUSY 8 NO ANSWER 9 CONNECT 2400 11 CONNECT 4...

Страница 47: ...RIER 4 ERROR 5 CONNECT 1200 6 NO DIAL TONE 7 BUSY 8 NO ANSWER 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 13 CONNECT 14400 19 CONNECT 19200 21 CONNECT 21600 24 CONNECT 24000 26 CONNECT 26400 28 CO...

Страница 48: ...ation parameters and S Register values in its nonvolatile memory RAM This command also sets the modem upon power up or when it is reset with an ATZ command the modem reads all its configuration and S...

Страница 49: ...e problems please check the following possibilities before calling Tech Support see Chapter 7 The Modem Does Not Respond to Commands Make sure you are issuing the modem commands from the data communic...

Страница 50: ...dress or IRQ conflicts if you use Windows 3 1x select File Run in Program Manager type MSD and press ENTER Then select Mouse COM Ports and IRQ Status and note the addresses and IRQs that are in use If...

Страница 51: ...list of possibilities by using extended result codes To enable them enter ATV1X4 and press ENTER while in terminal mode or include V1X4 in the modem s initialization string When you dial again the mo...

Страница 52: ...ct Settings Modem Commands To change it in Windows 95 HyperTerminal select Call Connect from the menu bar click Dialing Properties and type 9 in the local and long distance boxes in How I Dial from Th...

Страница 53: ...box To change the dial prefix in Windows Terminal select Settings Modem Commands To change it in Windows 95 HyperTerminal select Call Connect from the menu bar click Dialing Properties check this loc...

Страница 54: ...ession enabled than with it disabled Try entering the L8 List Online Diagnostics command in online mode making a screen print of the diagnostics listing and checking for parameters that may be unaccep...

Страница 55: ...a screen print of the diagnostics listing and checking for parameters that may be unacceptable number of retrains round trip delay etc Fax and Communications Software Won t Run at the Same Time Commu...

Страница 56: ...ion software set the desired baud rate 2 Type ATU0 or ATU and hit ENTER This places your modem in Analog Loopback mode in the Originate mode The modem is now out of the Command mode and in a pseudo On...

Страница 57: ...Figure 6 2 There are two ways to put a modem into Digital Loopback mode 1 Locally or Manually described here in section 6 2 2 Remotely or Automatically see section 6 3 In this test the local modem is...

Страница 58: ...you may end the test by typing an Escape Sequence AT CR or BREAK AT CR to bring your modem into Command mode The modem should respond with an OK message If you wish to stay On line with the remote mod...

Страница 59: ...in Digital Loopback mode Then the local modem exits Command mode and enters pseudo On line mode 5 Type data from your keyboard For this test typing multiple upper case U characters is a good way to s...

Страница 60: ...ate of shipment MTS MAKES NO OTHER WARRANTY EXPRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply t...

Страница 61: ...e fill in the following information on your Multi Tech modem This will help tech support in answering your questions Modem Model No __________________________________ Modem Serial No _________________...

Страница 62: ...ase order number for payment if the modem is out of warranty The standard repair charge for this modem is 95 This price is valid at the time of this publication but could change in the future Check wi...

Страница 63: ...ast name and password then press ENTER If you are a first time caller the BBS asks if your name is spelled correctly If you answer yes a questionnaire appears You must complete the questionnaire to us...

Страница 64: ...rd in the file list and P to go back 4 To mark one or more files for download type M press ENTER type the list numbers of the files and press ENTER again 5 Enter D You will see a list of the files you...

Страница 65: ...via e mail at http www multitech com _forms email_tech_support htm Multi Tech s presence includes a Web site at http www multitech com and an ftp site at ftp ftp multitech com The ftp server mirrors...

Страница 66: ...24 000 26 400 28 800 31 200 33 600 bps Compatibility ITU V 42bis V 42 Enhanced V 34 AT T V 32terbo ITU V 32bis V 32 V 21 V 22bis V 22 V 23 Bell 212A and 103 113 ITU V 17 Group 3 T 4 T 30 and EIA TR 2...

Страница 67: ...ten telephone numbers command lines of up to 60 digits each help menus Command Buffer 60 characters Modulation Trellis Coded Modulation TCM at 33 600 31 200 28 800 26 400 24 000 21 600 19 200 16 800...

Страница 68: ...e Originate 2400 Hz Receive Answer 1200 Hz Carrier Frequencies 300 bps Bell Standard 1270 Hz Mark 1070 Hz Space for Transmit Originate 2225 Hz Mark 2025 Hz Space for Receive Originate 2225 Hz Mark 202...

Страница 69: ...nterface EIA RS232C ITU V 24 Equivalent Bus Type IBM PC Standard ISA or EISA Berg Jumpers Select COM1 COM2 COM3 or COM4 communications port option Berg Jumpers Select IRQs 2 3 4 5 and 7 option Connect...

Страница 70: ...requencies 1209 1336 1477 Hz The generally accepted tone frequency tolerance is 0 02 For example the digit 4 would be dialed by combining two tone frequencies It would use the frequency 770 Hz from th...

Страница 71: ...ce number REN 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 in...

Страница 72: ...its licensees Unauthorized 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...

Страница 73: ...t the equipment into an outlet on a circuit different from that of which the receiver is connected Consult the dealer or an experienced radio TV technician for help WARNING Changes or modifications to...

Страница 74: ...e connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection The customer should be aware that compliance with th...

Страница 75: ...OM Port IRQ Settings 11 ASCII code 16 AT command set 32 AT T s call card tones 24 Auto answer 16 17 B Backspace Character 41 Baud rate 17 Bell V 21 answer tone selection 25 Buffer Length of Command Mo...

Страница 76: ...racters control 27 Command string 16 Commands 15 19 20 Non Error Correction mode 20 Reliable mode 20 Compatibility 66 CompuServe 20 21 65 CompuServe Internet 65 Configuration Parameters 17 Connectors...

Страница 77: ...des selection 28 Exit Command Mode 31 Extended DTMF characters 70 F Factory default values 28 Fax Carrier Frequencies 67 Fax Modulations 67 Fax Back Service 65 FCC Regulations 71 Features 5 Flash On H...

Страница 78: ...selection 25 MNP 5 19 54 Mode of Operation 66 Model Numbers 66 Modem AT Commands 23 Modem baud selection 30 Modem Cannot Connect When Answering 54 Modem Disconnects While Online 53 Modem Does Not Resp...

Страница 79: ...ty 15 Pause during dialing 36 Pause Time for Comma 42 PBX CBX Disconnect Drop Time for DSR CTS CD 43 PC Initialization Strings 16 Power Consumption 69 Product Description 6 Program V34 Connect Speeds...

Страница 80: ...Sessions 15 Set up Password 39 Sets value of Register 33 Signal Strength Information 30 Signal to Noise Ratio Information 30 SIT files 19 Software User License Agreement 61 Speed Conversion 66 Speed...

Страница 81: ...8250A 20 Buffers 20 21 V V 32terbo handshaking process 35 V 34 Line Probe 27 V 42 20 V 42bis 17 19 20 W Wait for ringback 37 Wait Time for Dial Tone 41 Warranty 60 Weight 69 Windows 3 1 20 21 54 Seria...

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