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Summary of Contents for Zoom ComStar XT SVD
- Page 1 COMST R SVD Owner’s Manual 33,600 bps Faxmodem with Speakerphone, SVD and Voice Mail...
- Page 2 NOTICE This document contains proprietary information protected by copyright, and this Owner’s Manual and all the accompanying hardware are copyrighted. All rights are reserved. No part of this document may be photocopied or reproduced by mechanical, electronic, or other means in any form, except for the personal use of the owner.
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Page 3: Table Of Contents
Contents Introduction... 5 What You Need to Use Your ComStar SVD... 6 Documentation Conventions... 7 Chapter 1 Installation ... 8 To Install your Faxmodem: ... 8 Setting Up Your Faxmodem for Windows 95...12 Problems with Plug and Play Setup...13 Setting Up Your Faxmodem with Windows 3.1 or 3.11 ...16 Chapter 2 Using the Faxmodem...19 Using Voice, Fax, and Data Communications... - Page 4 Appendix D: Using AT Commands with the Speakerphone Feature ...43 Turning On The Speakerphone Feature...43 Changing The ComStar SVD’s Settings ...44 Appendix E: AT Commands...45 Voice Commands ...52 Appendix F: S Registers ...56 Appendix G: Result Codes ...60 Appendix H: Regulatory Information ...62 FCC Part 68 Telecommunications Statement...62 FCC Part 15 Emissions Statement...63 Industry Canada Attachment ...64...
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Page 5: Introduction
The Zoom ComStar SVD faxmodem supports SVD (Simultaneous Voice and Data) operation, implemented with Rockwell International’s AudioSpan™ and compatible with V.61 and V.34Q (proposed). -
Page 6: What You Need To Use Your Comstar Svd
Problems and Solutions (Chapter 3) provides information to assist you if you have problems. The Appendixes provide additional information for a number of topics including setting the modem’s audio jumpers, as well as tables that summarize AT commands and S registers. Follow the Quick Start guide’s instructions for installation of software that is included with this product. -
Page 7: Documentation Conventions
Documentation Conventions In this manual we may use the terms “faxmodem,” “modem,” and “product” interchangeably to refer to ComStar SVD. Occasionally you may find that other manuals use the term “modem board” or “card” to refer to the modem. Commands and command examples described in this guide appear in bold type. -
Page 8: Chapter 1 Installation
Chapter 1 Do not handle any internal modem card when the phone line is plugged into it. The voltages present when the line is ringing are potentially harmful. If you need to remove the card for any reason, simply remove the phone line from the internal card before handling it. - Page 9 Replace the computer cover. Connect the telephone cord. Plug one end of the phone cord into the jack marked LINE. Plug the other end into a phone jack (where you would normally connect a phone). You can also plug a regular telephone into the jack marked PHONE.
- Page 10 Assemble the microphone. Put the two halves of the microphone holder together, and then slide the holder into the slot on the microphone stand. Finally, slide the microphone stem into the groove on the microphone stand. Refer to the assembly drawing on the next page. Insert the microphone plug into the jack marked MIC and then insert the external speaker plug into the jack marked SPK.
- Page 11 Plug in your computer and turn it ON. If you are running Windows 3.1 or 3.11, proceed to Setting Up Your Faxmodem with Windows 3.1 or 3.11 on page 16. If you are running the Windows 95 operating system, proceed to the next section.
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Page 12: Setting Up Your Faxmodem For Windows 95
If you are running Windows 95, your faxmodem is automatically detected by the Plug and Play feature of the Windows 95 operating system. Follow the procedure below to complete your faxmodem setup. Restart your computer. As the Windows 95 operating system boots up, it displays a New Hardware Found dialog box on your screen for a few seconds with the identifier name (336/Spkr or something similar) of your faxmodem. -
Page 13: Problems With Plug And Play Setup
Windows 95 continues its startup procedure. Once the system is completely booted up, you should determine what COM port your faxmodem is set to. To do this, double-click the My Computer icon. When the My Computer window opens, double-click the Control Panel icon. Inside the Control Panel window, double-click the Modems icon. - Page 14 Choose the Help Topics command in the Help menu. Windows 95 displays the Windows Help dialog box. Select the Index tab. Type: plug Windows Help automatically scrolls to Plug and Play hardware. Under the topic Plug and Play hardware, select troubleshooting.
- Page 15 documentation to see if you have to reset jumpers or switches instead. Write down and save the new COM port and IRQ settings and exit Setup. The BIOS automatically reboots your computer. In Windows 95, choose Control Panel from the Settings command in the Start menu.
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Page 16: Setting Up Your Faxmodem With Windows 3.1 Or 3.11
Setting Up Your Faxmodem with Windows 3.1 or 3.11 If you are running Windows 3.1 or 3.11, you need to run the SETPORT utility from your DOS prompt. If your computer has a CD-ROM drive, insert the disc that came with your faxmodem. Otherwise, Insert the disk labeled BitWare Disk 2 in your floppy drive. - Page 17 unable to tell that a particular IRQ setting is already assigned to another device if that device is not being used at the time. If you get erratic behavior, such as inconsistent modem performance or a piece of hardware that stops working even though it worked before, read the next section, A Note About IRQs and Conflicts, for suggestions.
- Page 18 Examples: 1. To configure the faxmodem for COM 4 and IRQ 10, type: portwiz 2e8 10 and press Enter. If this combination works, then put this line in your AUTOEXEC.BAT file and remember to edit the [386Enh] section of your SYSTEM.INI file as well. Add the lines: COM3Base=2e8h COM3Irq=10...
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Page 19: Chapter 2 Using The Faxmodem
Chapter 2 This chapter provides tips for setting up your communications software and using the modem. It also describes SVD (Simultaneous Voice and Data) and other advanced telephony features. After you set up your software, you are ready to start using your faxmodem. - Page 20 If you are asked to select the “modem type” from a menu, and you don’t see this modem listed by name on the menu, select the most descriptive name such as Zoom FaxModem, any SVD modem, Rockwell Based Voice modem, Hayes-compatible modem (with or without a specific speed), or Generic Class 1 Modem.
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Page 21: Using At Commands
Set auto baud detect to OFF (or NO). Finally, some programs ask “Send init if CD high?”, which you should set to YES. Otherwise, the modem may not receive the proper initialization string. If your software suggests an initialization string for this modem, you should use it. -
Page 22: Returning To The Factory Settings
To use AT commands in terminal mode Start your data communications program. Change to terminal mode (also called command, local, direct, or dumb mode). Type in the AT command you need and press Enter. When you finish, you can return to the data communications program’s standard user interface. -
Page 23: Simultaneous Voice And Data (Svd) And Other Advanced Telephony Operations
of half-duplex operation on very poor quality lines or when you are using the speakerphone feature in a very large room. Echoes of your voice caused by the room you are in may be heard occasionally. Also, changes in background noise levels is noticeable, as a result of the speakerphone’s attempt to keep the signal adjusted properly and to adapt to the sound level of your voice as your distance from the microphone... - Page 24 Note: Although both the headset or headphone plug into the same jacks as the external speaker and microphone, they require different settings. Do not use an external speaker and microphone in headset mode! Using AudioSpan with Games and Software Applications More and more software packages support AudioSpan in a direct and user-friendly way.
- Page 25 for instance. In that case, simply change the word ON to OFF in the initialization string: $$AS5=OFF You can see that it is easy to toggle the AudioSpan feature ON or OFF. How to Find the Initialization String in Your Software All software with communications capability has an area where you can enter an initialization string.
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Page 26: Command Function
AT Commands for SVD The following tables describe the AT commands supported by simultaneous voice and data (analog SVD). We provide these commands for the benefit of programmers and other developers who can use them; if you are not familiar with the special use of AT commands, we suggest that you not try to use them. - Page 27 Command Selected Device Type and Considerations Options #VLS=0 Telephone line with telephone handset. This is the default selection. #VLS=1 Transmit/receive device (other than telephone line). This is a handset, headset, or speakerphone powered directly by the modem. Select this device before recording a greeting message.
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Page 28: Chapter 3 Problems And Solutions
Chapter 3 If your modem is not working, please read this chapter and the communications software documentation carefully. For installation problems, see Chapter 1, Installation. This chapter covers four categories: general troubleshooting, echo troubleshooting, dial troubleshooting, and on-line troubleshooting. For help with this problem… Your computer fails to boot properly and displays a “missing hard drive”... -
Page 29: General Troubleshooting
For help with this problem… Data is missing. Data appears garbled on the screen. The modem works fine when you are not using data compression, but the compression features are inoperative. You can’t talk with the person at the other end while transferring files The quality of the voice messages needs to be improved. -
Page 30: The Modem Takes Too Long To Hang Up At The End Of A Call
software’s COM port setting matches the modem’s COM port setting. The modem takes too long to hang up at the end of a call. Your modem may not be receiving the required initialization string, which should include the &C1 setting, from your software. In your software, make sure you have selected your modem. -
Page 31: The Modem Goes Off-Hook And Seizes The Telephone Line
Be sure your command line contains fewer than 40 characters. Your modem goes off-hook and seizes the telephone line when there is an incoming voice call that you want to take on your telephone. The modem is configured for auto-answer. Turn off auto-answer in your software. -
Page 32: Echo Troubleshooting
Echo Troubleshooting Each character you type appears twice or no characters appear at all during data mode. Make sure that your software is in full-duplex mode when you make a call. If the remote modem is not also in full duplex mode, change to terminal mode, type on your communications software’s local echo. -
Page 33: On-Line Troubleshooting
On-line Troubleshooting The modem can connect to some modems, but not to others. If a remote modem does not respond because of the extended negotiation process, you may have to disable part or all of the negotiation process. In the following table, “protocol” means error correction and data compression. -
Page 34: The Modem Disconnects While Communicating With A Remote
Some software allows these commands to be added to the list of dial prefixes. There are other configurations that can be forced, as well. If you need to select a particular configuration, use the AT command strings shown below. You can always return to the modem’s default configuration by typing but remember that if you do that, the modem will not have received the commands in your software’s initialization string, as it... -
Page 35: The Modem Does Not Make A Data Connection
(the comma is part of the code) or the other code as a prefix with the telephone numbers in the software’s dialing directory. Or you can add *70, or the correct code to the dial string (be sure to include the comma). Note that this helps with outgoing but not incoming calls. -
Page 36: Voice/Speakerphone Troubleshooting
parity setting, as this is the most common difference among systems. You should normally use 8 data bits, NO parity, and 1 stop bit (8, NONE, 1). The second most common setting is 7 data bits, EVEN parity, and 1 stop bit (7, EVEN, 1). Your modem doesn’t seem to be compressing the data. -
Page 37: You Increased The Number Of Bits Per Sample In Your Voice
per sample consumes 18 KB of disk space. The same message at four bits per sample consumes 36 KB of disk space. For specific instructions on how to change the number of bits per sample, see your software documentation. You increased the number of bits per sample in your voice software, and you are losing some voice data. -
Page 38: Appendix A: Product Summary
Appendix A: Product Summary This modem hardware supports the following standards, functions, and features: Data speeds: 33,600/31,200/28,800/26,400/24,000/21,600/19,200/16,800/ 14,400/12,000/9600/7200/4800/2400/1200/300 bps Data throughput up to 115.2 kbps Data Standards: V.34, V.FC, V.32bis, V.32, V.22bis, Bell 212A, Bell 103, V.21, V.22A/B, and V.23 protocols ®... - Page 39 Buffered 16550 UART to reduce PC interrupts and boost performance Auto-negotiation of highest mutually supported level of error correction, data compression, and modem speed Full-duplex speakerphone with acoustic and line echo cancellation, programmable microphone Automatic Gain Control (AGC), microphone muting, and speaker volume control and muting Auto fallback/fall forward on initial connection and during call Compatible with Hayes AT commands and S registers...
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Page 40: Appendix B: Setting The Modem's Audio Jumpers
Appendix B: Setting the Modem’s Audio Jumpers Though your modem comes with an electret microphone and an unpowered external speaker, you may want to use other microphones or speakers with the speakerphone feature. If that is the case, the modem has four jumper blocks that are used to control the microphone input and speaker output. - Page 41 speaker jack. Use the following chart as a guide for installing or removing these jumpers: Setting High Med. High Med. Low The final jumper block, J16, is changed only if you install speakers with a stereo plug (the speaker that comes with your faxmodem has a mono plug).
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Page 42: Appendix C: Caller Id
Appendix C: Caller ID This appendix describes the Caller ID feature supported by this faxmodem. Using Caller ID ComStar SVD supports Caller ID, a feature that works in conjunction with the Caller ID service offered by many telephone companies. This service allows you to see the phone number of the calling party, along with the data and time of the call, before you answer the phone. -
Page 43: Appendix D: Using At Commands With The Speakerphone Feature
Appendix D: Using AT Commands with the Speakerphone Feature If you are familiar with the use of AT commands to control your faxmodem, you can develop customized ways of using the faxmodem’s features that your communications software may not directly support. We do not recommend that you use AT commands unless you are familiar with them. -
Page 44: Changing The Comstar Svd's Settings
To end the speakerphone connection once you are finished with the call: In terminal mode, type ATHZ and press Enter. Changing The ComStar SVD’s Settings You can control the speakerphone parameter settings by changing them with the following AT command string (only valid if the modem already is in voice mode): AT#SPK=<mode>,<speaker atten.>,<mic. -
Page 45: Appendix E: At Commands
Appendix E: AT Commands AT commands communicate directly with the modem when it is in command mode. This appendix is a quick reference for experienced modem users. We do not recommend that you use AT commands unless you are familiar with them. It is possible to disable your faxmodem inadvertently. - Page 46 Command Function Waits for at least 5 seconds of silence & Waits for credit card dialing tone (bong tone) Pauses during dial as specified in register S8 (default: 2 sec.) Returns to command mode after dialing (put after dial string) Turn on calling tone (data only) Command characters not echoed Command characters echoed...
- Page 47 Command Function Establishes S-register n as the default register S n = v Sets register n to value v S n ? Returns the value of register n Tone dialing until P command Send numeric (terse) responses Send word (verbose) responses Reports DTE (computer-to-modem) speed only Reports DCE (modem-to-modem) speed, error correction protocol, and DTE speed...
- Page 48 Command Function &K0 Disables flow control &K3 Enables RTS/CTS (hardware) flow control &K4 Enables XON/XOFF flow control &K5 XON/XOFF with passthrough &K6 Enables both RTS/CTS and XON/XOFF flow control &M0 Selects asynchronous mode (&Q0) &P0 Make/break dial ratio of 39/61 at 10 pps &P1, &P2, Commands accepted, but not acted upon.
- Page 49 Command Function Disables line-quality monitoring and auto-retraining Enables monitoring and retraining Enables monitoring and fallback/fall forward Enables monitoring, retraining, and fast hang up Reports received signal level in -dBm Reports line signal quality 64-character maximum MNP block size 128-character maximum MNP block size 192-character maximum MNP block size 256-character maximum MNP block size In non-error correction mode, transmits line break to remote...
- Page 50 Command Function $$R0 Disables Distinctive Ring. $$R2 Enables Distinctive Ring. Cadences are: A = 2 seconds on, 4 seconds off B = 0.8 sec. ON, 0.4 sec. OFF; 0.8 sec. ON, 4 sec. OFF D = 0.4 sec. ON, 0.2 sec. OFF; 0.4 sec. ON, 0.2 sec. OFF; 0.8 sec.
- Page 51 Command Function +MS=<mod>[,[<automode>],<min_rate>],<max_rate>]]]] Selects modulation; optionally enables or disables automatic modulation negotiation with the remote modem or faxmodem; optionally sets minimum and/or maximum rates <mod> [,[<auto- mode>] [,[<min- rate>] [,[<max- rate>] NOTE: Use a comma (,) to separate optional subparameters. For example: +MS=11,1,300,28800 (+MS command with the default settings).
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Page 52: Voice Commands
Voice Commands ComStar SVD supports the following voice commands in response to the AT#CLS=8 command, which sets the voice/audio mode. Commands marked with an asterisk (*) will function only in this mode. Others will be recognized in any mode (data, Class 1 fax, Class 2 fax, or voice/audio). - Page 53 Commands Function (*voice mode only) #VRA= n * Sets “Ringback Goes Away” timer value, where n =0–255 tenths of a second (0–25.5 seconds). Default is 70. If n =0, the timer is turned off, and the dialing modem sends VCON and immediately enters Online Voice Command Mode.
- Page 54 Commands Function (*voice mode only) #VTD=i, j, k* Queries and controls which types of tones can be detected and reported to DTE via shielded codes in Voice Transmit, Voice receive, and Online Voice Command modes, where i, j, and k are three ASCII hexadecimal bit maps. The default is 3F, 3F, 3F.
- Page 55 Commands Function (*voice mode only) Generates tone signals if (and only if) sampling rate is set #VTS= n * to 7.2 kHz by the #VSR command; n takes the form of [x,y,z], {x,z}, or x, as described below: [x,y,z] {x,z} #VTX* Sends a voice file to the line, speaker, or handset, as established by the #VLS command.
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Page 56: Appendix F: S Registers
Appendix F: S Registers This appendix summarizes S registers. You can change the setting of an S register using an AT command. For example, . The appendix assumes you are already familiar with how ATS6=4 to reset S registers. Register Range/Value 0-255 rings 0-255 rings... - Page 57 Register Range/Value 0-255 10 ms 0-255 10 seconds 0-255 ASCII 0-255 ASCII S34-35 0, 3, 4, 7 0-12 Appendix F: S Registers Default Function BIT MAPPED OPTIONS Flash dial modifier time 0 (dis- Inactivity time before hang up abled) BIT MAPPED OPTIONS XON character XOFF character RESERVED...
- Page 58 Register Range/Value (cont.) 0-255 seconds S40-41 S42-45 136 or 138 0, 7, or 128 3, 7, or 128 ComStar SVD Owner’s Manual Default Function Attempt to connect at 12000 bps (F9) Attempt to connect at 14000 bps (F10) Attempt to connect at 7200 bps (F7) Delay before forced disconnect FLOW CONTROL...
- Page 59 Register Range/Value 0, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 Add numbers below for desired messages: Appendix F: S Registers Default Function none Call failure reason code Normal disconnect, no error Loss of carrier V.42 negotiation failed to detect error correction modem at remote end No response to feature...
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Page 60: Appendix G: Result Codes
Appendix G: Result Codes The table of results codes below indicates the verification messages that the modem generates depending on the currently active X n option. The default setting is X4. To select short form messages, enter the command AT V0. To select long form messages, enter the command AT V1. - Page 61 Short Long Form Form CONNECT 1200TX/75RX CONNECT 75TX/1200RX DATA CARRIER 300 CARRIER 1200/75 CARRIER 75/1200 CARRIER 1200 CARRIER 2400 CARRIER 4800 CARRIER 7200 CARRIER 9600 CARRIER 12000 CARRIER 14400 CARRIER 19200 CARRIER 21600 CARRIER 24000 CARRIER 26400 CARRIER 28800 CONNECT 16800 CONNECT 21600 CONNECT 24000 CONNECT 26400...
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Page 62: Appendix H: Regulatory Information
Appendix H: Regulatory Information FCC Part 68 Telecommunications Statement The Federal Communications Commission (FCC) has established Rules which permit this device to be directly connected to the telephone network. This device is registered with the Federal Communications Commission (FCC) for direct connection to the telephone line using a standardized RJ11C telephone jack. -
Page 63: Fcc Part 15 Emissions Statement
users requiring service to report the need for service to such a facility. Service facilities are listed on the product’s warranty flyer. The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device to send any message via telephone fax machine unless such message clearly contains in a margin at the top or bottom of each transmitted page, or on the first page of the transmission,... -
Page 64: Industry Canada Attachment
To meet FCC requirements for Class B installation, shielded cables are required to connect the device to a personal computer or other Class B certified devices. Warning : Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. -
Page 65: Canadian Emissions Statement
Caution : Users should not attempt to make such connections themselves, but should contact the appropriate electrical inspection authority, or electrician, as appropriate. The Load Number (LN) assigned to each terminal device helps to prevent overloading. You can use any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100. -
Page 66: Appendix I: Physical Specifications
Appendix I: Physical Specifications Internal Configuration Jacks Size Height Electrical Specifications: Power Consumption: Performance Specifications: Transmit Signal Level (Nominal) Transmit Frequency Tolerance Receive Signal Level Receive Frequency Tolerance 2536 Internal Half Card Two RJ-11 telephone One 1/8" stereo speaker One 1/8" stereo microphone 6.70"... -
Page 67: Index
Index 16550 UART, 39 Answer options auto-answer, 34 AT commands no response, 29, 30 table of, 45–49 using with speakerphone feature, 43 voice commands, 52 Voice Line Select, 26 AudioSpan, 5, 23, 36, 38 Auto baud detect, 21 Auto fallback/fall forward, 39 Auto-answer, 31 Automatic adaptive equalization, 39... - Page 68 IBM PC-compatible computers, Initialization string, 19, 31 Initializing the modem, 20 Load number, 65 Microphone using, 22 Modem connection to remote modem, 33–37 initialization strings, 19, 21 using communications software, 19 Nonvolatile memory, 31, 39 On-line troubleshooting, 33–37 Plug and Play (PNP), 5 problems with, 13 Problems, 28.
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