Page 2 - Owner’s Manual; Record of Revisions
Owner’s Manual 82041404 Revision E — 11/25/96 #MT2834ZPX This publication may not be reproduced, in whole or in part, without priorexpressed written permission from Multi-Tech Systems, Inc.All rights reserved. Copyright © 1996, by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representa...
Page 3 - Contents; Chapter 1 - Introduction and Description
Contents Chapter 1 - Introduction and Description Introduction ................................................................................................................ 5Modem Features ....................................................................................................... 5Fax...
Page 5 - Your MT2834ZPX modem meets the proposed
5 Chapter 1 - Introduction and Description Chapter 1 - Introduction and Description Introduction Welcome to the world of data communications. You have acquiredone of the finest intelligent data and fax modems available today,model MT2834ZPX, from Multi-Tech Systems. This Owner’s Manualwill help you ...
Page 7 - How to Use This Manual
7 Chapter 1 - Introduction and Description How to Use This Manual This manual is divided into seven chapters and two appendices. Theinformation contained in each chapter and appendix is as follows: Chapter 1 - Introduction and Description Chapter 1 begins with a short product introduction and descri...
Page 8 - Chapter 6 - Testing Your Modem; BBS) and receiving technical; Appendices
8 MT2834ZPX Owner's Manual Chapter 6 - Testing Your Modem Chapter 6 covers the modem's built-in test features. These are:Power-on Self Test, Local Analog Loopback, Digital Loopback andRemote Digital Loopback Tests. We have included a description ofeach test and how to use each test procedure. Chapte...
Page 9 - Chapter 2 - Installation and Configuration
9 Chapter 2 - Installation and Configuration Chapter 2 - Installation and Configuration Installation This chapter provides you with the procedures to install the Multi-TechMT2834ZPX card in your ISA or EISA bus personal computer. Hardware installation involves: 1) Opening your PC. 2) Setting card co...
Page 10 - Configuration/Installation Procedure; Table 2-1. Configuration and Installation Procedure
10 MT2834ZPX Owner's Manual Configuration/Installation Procedure Perform the procedures in Table 2-1 to configure and install theMT2834ZPX card into your ISA or EISA bus host computer. Table 2-1. Configuration and Installation Procedure Step Procedure 1 Make sure your computer and any peripheral equ...
Page 11 - Figure 2-1. MT2834ZPX Printed Circuit Board and Alternate COM
11 Chapter 2 - Installation and Configuration Figure 2-1. MT2834ZPX Printed Circuit Board and Alternate COM Port/IRQ Settings
Page 12 - Your MT2834ZPX requires a modular; Is Your MT2834ZPX Ready for Use?
12 MT2834ZPX Owner's Manual Table 2-1 (Cont'd). Configuration and Installation Procedure Step Procedure 5 Install the MT2834ZPX card into the selected expansion slot(s) inthe same manner as any other add-on card, as instructed in yourcomputer’s documentation. 6 Fasten the retaining bracket to the co...
Page 14 - Simple Operations
14 MT2834ZPX Owner's Manual Simple Operations You can dial a number by using the ATD command and the phonenumber of the modem with which you wish to connect, e.g.,ATD6127853500. Your modem will dial the number; a “scrambling”noise is heard as the modem negotiates the kind of connection it canmake, a...
Page 15 - Chapter 3 - Software Configuration; initialization string for your modem as well as; Configuring Software for Your Modem; The most important configuration is the modem; ATtention
15 Chapter 3 - Software Configuration Chapter 3 - Software Configuration Introduction Communications software must be configured to work with yourmodem, your computer, and the remote system it is calling.Fortunately, most communications programs make the process easyby providing a default initializa...
Page 16 - PC Initialization Strings; NO DIAL TONE and BUSY, and; Figure 3-1. The MEW Modem Initialization Setup
16 MT2834ZPX Owner's Manual PC Initialization Strings We recommend the following initialization string for a MT2834ZPXconnected to a PC-compatible computer: AT &F X4 S0= 2 ^M This string resets the MT2834ZPX to the factory default settings,selects extended result codes with NO DIAL TONE and BUSY...
Page 17 - Changing Default Parameters; Figure 3-2. MEW Configuration Parameters Screen
17 Chapter 3 - Software Configuration Changing Default Parameters The default values for the other parameters in modem configurationmenus rarely need changing. They typically include the dialing prefix(ATDT for touch-tone service and ATDP for rotary service), the dialingsuffix (^M), the hang-up stri...
Page 18 - terminal emulation. Most; Figure 3-3. MEW Terminal Emulation Setup Screen
18 MT2834ZPX Owner's Manual Configuring Software for the Remote System You must meet the requirements of the remote system for successfulcommunications. Though the MT2834ZPX can automatically matchthe speed of the other modem, you must specify parameters such astype of flow control, break length, nu...
Page 19 - File Transfer Protocols; MultiExpress for Windows, and we recommend it for; Figure 3-4. MEW File Transfer Protocols Screen; When to Disable Data Compression
19 Chapter 3 - Software Configuration File Transfer Protocols When you upload or download files with your modem, the hostcomputer will ask which file transfer protocol you want to use. Mostcommunications programs allow you to choose a default protocol.Your software’s documentation should list the on...
Page 20 - Disabling Error Correction
20 MT2834ZPX Owner's Manual As a general rule, you should try to transmit files in already-compressed form rather than relying on V.42bis hardwarecompression. Because software compression is more efficient thanhardware compression, you will have a higher throughput with theformer. Of course, this ef...
Page 22 - Codes
22 MT2834ZPX Owner's Manual Chapter 4 - AT Commands, S-Registers and Result Codes Dialing/On-Line/Answering There are several basic steps for “originating” and “answering” in data communication mode: 1. Load communication software 2. Dial 3. Establish On-Line connection 4. Terminate Call A simple wa...
Page 23 - Modem AT Commands; AT
23 Chapter 4 - AT Commands, S-Registers and Result Codes The MT2834ZPX responds with “CONNECT” on your video display after the number is dialed and a connection signal is detected (sincethe MT2834ZPX defaults to Enhanced V.34/V.42/V.42 bis, the actual response is " CONNECT LAPM COMPRESSED”). The...
Page 26 - Ds; Dial a telephone number; DsNd; Store telephone number. To store, phone number; ”s“ is en; entered and followed by N and then Directory Number
26 MT2834ZPX Owner's Manual COMMAND: &Cn VALUES: n = 0, 1, 2 or 4 DEFAULT: &C1 DESCRIPTION: &C0 forces Carrier Detect on.&C1 lets Carrier Detect act normally.&C2 lets Carrier Detect drop S24 time on disconnect.&C4 resets modem when Carrier Detect drops. COMMAND: &CDn VALU...
Page 27 - from DSP during handshaking.
27 Chapter 4 - AT Commands, S-Registers and Result Codes COMMAND: %DFn VALUES: n = 0 or 1 DEFAULT: %DF0 DESCRIPTION: %DF0 selects V.34 Line Probe Data in Graph Format.%DF1 selects V.34 Line Probe Data in Table Format. COMMAND: %DPn VALUES: n = 0 or 1 DEFAULT: %DP0 DESCRIPTION: %DP0 selects not to re...
Page 29 - Hn
29 Chapter 4 - AT Commands, S-Registers and Result Codes COMMAND: $Fn VALUES: n = 0 or 1 DEFAULT: $F1 DESCRIPTION: $F0 selects do not fall back to normal connect if CR received. $F1 selects fall back to normal connect if CR received. COMMAND: &Gn VALUES: n = 0, 1 or 2 DEFAULT: &G0 DESCRIPTIO...
Page 30 - Read Only Command; The; I9 command is a query to display this modem's
30 MT2834ZPX Owner's Manual COMMAND: I9 VALUES: N/A DEFAULT: Read Only Command DESCRIPTION: The I9 command is a query to display this modem's characteristics when operating within Windows 95.Entering ATI9<cr> invokes ZPX 28800 FAX CT on your video monitor.(The response to the query reveals tha...
Page 31 - Nd; Dial stored telephone number; NdNe; Number Linking. If first number dialed is; Tone Dial; Modem will pulse-dial numbers following the P.
31 Chapter 4 - AT Commands, S-Registers and Result Codes COMMAND: $MBn VALUES: n = speed DEFAULT: $MB33600 bps DESCRIPTION: $MB75 selects CCITT V.23 mode.$MB300 selects 300 bps on-line.$MB1200 selects 1200 bps on-line.$MB2400 selects 2400 bps on-line.$MB4800 selects 4800 bps on-line.$MB9600 selects ...
Page 32 - Qn; Q2 means Dumb Answer Mode.; Rn
32 MT2834ZPX Owner's Manual COMMAND: &Pn VALUES: n = 0 or 1 DEFAULT: &P1 DESCRIPTION: &P0 selects 60-40 pulse ratio.&P1 selects 67-33 pulse ratio. COMMAND: Qn VALUES: n = 0, 1 or 2 DEFAULT: Q0 DESCRIPTION: Q0 means Result Codes sent.Q1 means Result Codes will be suppressed (quiet). Q...
Page 33 - Sets value of S-Register; “r” to value of “n”, where “n” is; entered in decimal format.; “r” and displays value in 3-digit
33 Chapter 4 - AT Commands, S-Registers and Result Codes COMMAND: &RFn VALUES: n = 0 or 1 DEFAULT: &RF1 DESCRIPTION: &RF0 selects CTS follows RTS.&RF1 selects CTS to act independently COMMAND: Sr=n VALUES: r = 0-11, 13, 15-17, 24-26, 29, 30, 32, 34, 36, 37, 48 DEFAULT: n/a DESCRIPTIO...
Page 34 - Modem will tone-dial numbers following the T.
34 MT2834ZPX Owner's Manual COMMAND: &Sn VALUES: n = 0, 1 or 2 DEFAULT: &S1 DESCRIPTION: &S0 forces Data Set Ready On.&S1 lets Data Set Ready act normally.&S2 Data Set Ready drop is regulated by S24 on disconnect. COMMAND: T VALUES: n/a DEFAULT: Tone Dial DESCRIPTION: Modem will ...
Page 35 - Un; U3 places modem in Local Digital Loopback Test Mode.; Vn; User can bypass V.32terbo handshaking process.
35 Chapter 4 - AT Commands, S-Registers and Result Codes COMMAND: Un VALUES: n = 0, 1, 2, or 3 DEFAULT: n/a DESCRIPTION: U0 places modem in Analog Loop Originate Mode.U1 places modem in Analog Loop Answer Mode.U2 places modem in Remote Digital Loopback test mode. U3 places modem in Local Digital Loo...
Page 36 - Xn; #X0 selects single XOFF character sent until XON level; Yn; All configuration parameters are reset to default values.
36 MT2834ZPX Owner's Manual COMMAND: Xn VALUES: n = 0, 1, 2, 3 or 4 DEFAULT: X0 DESCRIPTION: X0 selects Basic Result Codes (w/o CONNECT 1200, CONNECT 2400). X1 selects Extended Result Codes (w/CONNECT 1200, CONNECT 2400). X2 selects Standard AT Command set with NO DIAL TONE. X3 selects Standard AT C...
Page 38 - Remote Configuration; Remote Configuration is disabled.; Remote Configuration Procedures; TABLE 4-1. Remote Configuration Operation Procedures; The modem responds with:
38 MT2834ZPX Owner's Manual Remote Configuration The Remote Configuration feature is a network management tool thatallows you to configure modems remotely. This means you couldconfigure modems anywhere in your network from one location withouthaving to visit the sites or rely on remote users to foll...
Page 39 - Password Commands
39 Chapter 4 - AT Commands, S-Registers and Result Codes TABLE 4-1 (Cont'd). Remote Configuration Operation Procedures You can now use any AT commands of the modembeing remotely configured as if they were beingentered locally. You cannot change the Set-up of theLOGIN Password until you enter the pro...
Page 42 - Pause Time for Comma; second; Carrier Detect Response Time
42 MT2834ZPX Owner's Manual S8 Pause Time for Comma Unit: 1 second Range: 0-255, 4-255** Default: 2, 4** Description: Sets the length of the pause caused by a comma inserted in a dialing command. S9 Carrier Detect Response Time Unit: 100 mSec. Range: 1-255 Default: 6 Description: Sets the time delay...
Page 43 - Remote Configuration Escape Character; ASCII Character; Changing Break Time; Description: Defines DTR dropout time. 0 default equals 50ms.; Failed Password Attempts; failed attempt
43 Chapter 4 - AT Commands, S-Registers and Result Codes S13 Remote Configuration Escape Character Unit: ASCII Character Range: 0-127 Default: 37 ( % sign) Description: Defines the remote configuration escape character. S17 Changing Break Time Unit: 10 mSec. Range: 0-2.5 sec Default: 250 Description...
Page 45 - Time Between DTR Inactive and Modem Off-Hook; Time Between DTR Active and Modem On-Hook; Second; Program V.34 Connect Speeds
45 Chapter 4 - AT Commands, S-Registers and Result Codes S36 Time Between DTR Inactive and Modem Off-Hook Unit: 1 Second Range: 0-255 seconds Default: 0 Description: Sets the time between DTR inactive (low) and the modem going off-hook. The DTR Busy-out feature is disabled with S36=0. S37 Time Betwe...
Page 46 - Result Codes; TERSE
46 MT2834ZPX Owner's Manual Result Codes The MT2834ZPX Command mode provides you with severalresponses, 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 modifie...
Page 48 - AT Commands and S-Register Summary
48 MT2834ZPX Owner's Manual AT Commands and S-Register Summary The vast majority of installations are similar, with the MT2834ZPXbeing used to dial up a remote installation where the call isautomatically answered. Your MT2834ZPX has a default configurationto dial another 33,600 bps modem that suppor...
Page 49 - Chapter 5 - Troubleshooting
49 Chapter 5 - Troubleshooting Chapter 5 - Troubleshooting Troubleshooting Your MT2834ZPX was thoroughly tested at the factory before it wasshipped. If you are unable to make a successful connection or if youexperience data loss or garbled characters during your connection, itis possible that the mo...
Page 51 - The Modem Dials But Cannot Make a Connection; lack of a physical connection to the telephone line.
51 Chapter 5 - Troubleshooting Uncheck Use Automatic Settings to change the port’s settings sothey do not conflict with the other device, or select the port theconflicting device is on and change it instead. If you need to openyour computer to change switches or jumpers on the conflictingdevice; ref...
Page 53 - The Modem Disconnects While Online
53 Chapter 5 - Troubleshooting The Modem Disconnects While Online • If you have call waiting on the same phone line as your modem, itmay interrupt your connection when someone tries to call you. Ifyou have call waiting, disable it before each call. In mosttelephone areas, you can disable call waitin...
Page 55 - Getting Garbage Characters on the Monitor
55 Chapter 5 - Troubleshooting Getting Garbage Characters on the Monitor • Your computer and the remote computer may be set to differentword lengths, stop bits, or parities. If you have connected at 8-N-1, try changing to 7-E-1, or vice-versa, using your communicationssoftware. • You may be experien...
Page 56 - The test procedure is as follows:
56 MT2834ZPX Owner's Manual Chapter 6 - Testing Your Modem Local Analog Loopback Test/V.54 Loop 3 In this test, data from your computer or terminal is sent to yourmodem's transmitter, converted into analog form, looped back to thereceiver, converted into digital form and then received back at yourmo...
Page 57 - ATU3 from the local PC and hit ENTER. Once you receive
57 Chapter 6 - Testing Your Modem 5. Your modem passes this test if the data entered from yourkeyboard are the same as the data received on your monitor. Ifdifferent data is appearing on your monitor, your modem isprobably causing the problem, although it could also be yourcomputer. If your modem pa...
Page 59 - &T4 command must be set on the remote modem to run; Type the Escape Sequence (; ATU2 and hit ENTER. The local modem responds to this; Type data from your keyboard. For this test, typing multiple upper
59 Chapter 6 - Testing Your Modem Note: The &T4 command must be set on the remote modem to run this test. 3. Type the Escape Sequence ( +++AT<CR> or <BREAK>AT<CR>) which brings your modem into Command mode, while stillmaintaining the connection with the remote modem. 4. Type AT...
Page 60 - “MTS”) warrants that its products will be free
60 MT2834ZPX Owner's Manual Chapter 7 - Service, Warranty and Tech Support Introduction This chapter starts out with statements about your modem's 10-yearwarranty. The next section, Tech Support, should be read carefully ifyou have questions or problems with your modem. It includes thetechnical supp...
Page 61 - On-line Warranty Registration
61 Chapter 7 - Service, Warranty and Tech Support On-line Warranty Registration To register your Multi-Tech product on-line, click on the following link: http://www.multitech.com/support/register.htm Tech Support Multi-Tech has an excellent staff of technical support personnelavailable to help you g...
Page 62 - Service; Include the following with your modem:; ATTN: SERVICE OR REPAIRS
62 MT2834ZPX Owner's Manual Service If your tech support specialist decides that service is required,modems may be sent (freight prepaid) to our factory. Return shippingcharges will be paid by Multi-Tech Systems (within North America). Include the following with your modem: • a description of the pr...
Page 63 - About the Multi-Tech BBS; If you know the file name; Enter the name of the file you wish to download from the BBS.; Answer Y or N to the automatic logoff question.
63 Chapter 7 - Service, Warranty and Tech Support About the Multi-Tech BBS For customers who do not have Internet access, Multi-Tech maintainsa bulletin board system (BBS) that mirrors its FTP site. Informationavailable from the BBS includes new product information, productupgrade files, and problem...
Page 64 - If you don’t know the file name; L, you will list all of the files
64 MT2834ZPX Owner's Manual 7. When the download is complete, press ENTER to return to theFile Menu. 8. To exit the BBS, type G and press ENTER. If you don’t know the file name 1. From the Main Menu, type F to access the Files Menu. For a list offile areas, type L, press ENTER, then type L and press...
Page 65 - About CompuServe/Internet; International Marketing &
65 Chapter 7 - Service, Warranty and Tech Support About CompuServe/Internet In addition to the BBS, Multi-Tech provides support throughCompuServe's Modem Vendor Forum ( GOMODEMVEN) under GO MULTITECH. Refer to your CompuServe documentation for specialoperating procedures. Multi-Tech is a commercial ...
Page 66 - Appendix A - Technical Specifications
66 MT2834ZPX Owner's Manual Appendix A - Technical Specifications Your MT2834ZPX data/fax modem meets the specifications listedbelow: Model Numbers MT2834ZPX Data Rates (modem) 33,600, 31,200, 28,800, 26,400,24,000, 21,600, 19,200, 16,800,14,400, 12,000, 9600, 7200, 4800,2400, 1200, 0-300 bps Data R...
Page 67 - Fully
67 Appendix A - Technical Specifications Intelligent Features Fully “AT command” compatible, microprocessor controlled remoteconfiguration, EIA extended Automode,adaptive line probing, automatic symbolrate and carrier frequency during start-up, retrain and rate renegotiation,autodial, redial, repeat...
Page 69 - -43 dBm under worst case conditions
69 Appendix A - Technical Specifications V.23 390 Hz Mark, 450 Hz Space forTransmit Originate 1300 Hz Mark, 2100 Hz Space forTransmit Answer 1300 Hz Mark, 2100 Hz Space forReceive Originate 390 Hz Mark, 450 Hz Space forReceive Answer Transmit Level -10dBm (dial-up) Frequency Stability ±0.01% Receive...
Page 70 - Appendix B - Tone Dial Frequencies; Hz
70 MT2834ZPX Owner's Manual Appendix B - Tone Dial Frequencies Hz Digits 697 770 852 941 Hz 1209 1336 1477 1633 1 2 3 A 4 5 6 B 7 8 9 C 0 # D * The tone-dialing method combines two frequencies for each of thetwelve digits found on a Touch Tone dial pad. This method is referredto as Dual-Tone Multi-F...
Page 71 - Appendix C - FCC and Canadian Regulations
71 Appendix C - FCC and Canadian Regulations Appendix C - FCC and Canadian Regulations FCC Regulations for Telephone Line Interconnection 1. This equipment complies with Part 68 of the FederalCommunications Commission (FCC) rules. On the outside surfaceof this equipment is a label that contains, amo...
Page 72 - Service Center in USA:
72 MT2834ZPX Owner's Manual 6. If trouble is experienced with this equipment (the model of whichis indicated below) please contact Multi-Tech Systems, Inc. at theaddress shown below for details of how to have repairs made. Ifthe equipment is causing harm to the telephone network, thetelephone compan...
Page 73 - Reorient or relocate the receiving antenna.
73 Appendix C - FCC and Canadian Regulations NOTE: This equipment has been tested and found to comply with thelimits for a Class B digital device, pursuant to Part 15 of the FCCRules. These limits are designed to provide reasonable protectionagainst harmful interference when the equipment is operate...
Page 74 - Canadian Limitations Notice
74 MT2834ZPX Owner's Manual Canadian Limitations Notice Notice: The ringer equivalence number (REN) assigned to eachterminal device provides an indication of the maximum number ofterminals allowed to be connected to a telephone interface. Thetermination of a interface may consist of any combination ...
Page 75 - Index; Symbols
75 Index Index Symbols &E0 .......................................................................................... 20 &E1 .......................................................................................... 20 &E14 ...................................................................
