Multi-Tech Systems MT5600DSVD manuale d’uso

and User Guid e[...]

MultiModemDSDV User Guide MT5600DSVD and MT5600DSDV2 P/N S0000169 Revision D Copyright © 1998–2004 by Multi-Tech Systems, Inc. All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representations or warranties w[...]

Contents 3 MultiModemDSVD User Guide Multi-Tech Systems, Inc. Contents Chapter 1 - Intr oduction ............................................................................ 6 Introduction ............................................................................................................................. 7 Product Description .............[...]

Contents 4 MultiModemDSVD User Guide Multi-Tech Systems, Inc. Chapter 4 - A T Commands ...................................................................... 27 AT Commands .................................................................................................................... .. 28 AT Command Summary ...................................[...]

Contents 5 MultiModemDSVD User Guide Multi-Tech Systems, Inc. Appendix D: Upgrading the Mode m ....................................................... 72 Introduction ........................................................................................................................... 72 Upgrade Overview .......................................[...]

C C C C C hapter hapter hapter hapter hapter 1 - 1 - 1 - 1 - 1 - Int Int Int Int Int r r r r r oduct oduct oduct oduct oduct i i i i i o o o o o n n n n n[...]

MultiModemDSVD User Guide 1 Introduction 7 Multi-Tech Systems, Inc. Int Int Int Int Int r r r r r oduct oduct oduct oduct oduct i i i i i o o o o o n n n n n Congratulations on your purchase of your MultiModemDSVD! You have acquired not only one of the finest intelligent data, fax, and voice modems available, but a modem that can transmit voice and[...]

MultiModemDSVD User Guide 1 Introduction 8 Multi-Tech Systems, Inc. Data • Supports the ITU-T V.90 and K56flex TM standards for data transmission speeds up to 56K bps while maintaining compatibility with lower-speed modems. Note: Under the 56K bps standards, you can asymmetrically download data from an ISP at speeds up to 53K bps, whereas you can[...]

MultiModemDSVD User Guide 1 Introduction 9 Multi-Tech Systems, Inc. W W W W W ha ha ha ha ha t t t t t Is in Is in Is in Is in Is in Y Y Y Y Y our our our our our Mod Mod Mod Mod Mod em P em P em P em P em P a a a a a c c c c c k k k k k ag ag ag ag ag e? e? e? e? e? Your modem package has several components. Make sure you have them all before tryi[...]

C C C C C hapter hapter hapter hapter hapter 2 - 2 - 2 - 2 - 2 - Inst Inst Inst Inst Inst al al al al al la la la la la t t t t t i i i i i o o o o o n n n n n[...]

MultiModemDSVD User Guide 2 Installation 11 Multi-Tech Systems, Inc. Int Int Int Int Int r r r r r oduct oduct oduct oduct oduct i i i i i o o o o o n n n n n This chapter shows step-by-step how to set up your MultiModemDSVD and configure your communications software to work with it. W W W W W ha ha ha ha ha t t t t t Y Y Y Y Y ou ou ou ou ou W W W[...]

MultiModemDSVD User Guide 2 Installation 12 Multi-Tech Systems, Inc. Step 1: Step 1: Step 1: Step 1: Step 1: Mount Mount Mount Mount Mount t t t t t he F he F he F he F he F eet eet eet eet eet The modem comes with a strip of self-adhesive plastic feet, which you can optional- ly mount on the bottom of the modem. To install the feet, simply peel th[...]

MultiModemDSVD User Guide 2 Installation 13 Multi-Tech Systems, Inc. J10 J10 Speaker Mode Closed: stereo (default) Open: mono Figure 2-2. Location of speaker jumper. (MT5600DSDV only) Changing the Speaker J umper The speaker jumper (J10) is behind the internal speaker near the external speaker jack (see Fi g ur e 2 - 2) . • To use the MultiModemD[...]

MultiModemDSVD User Guide 2 Installation 14 Multi-Tech Systems, Inc. Step 3: Step 3: Step 3: Step 3: Step 3: C C C C C o o o o o nne nne nne nne nne ct ct ct ct ct t t t t t he Mod he Mod he Mod he Mod he Mod em to em to em to em to em to Y Y Y Y Y our our our our our Sy Sy Sy Sy Sy stem stem stem stem stem Placing the modem in a convenient locatio[...]

MultiModemDSVD User Guide 2 Installation 15 Multi-Tech Systems, Inc. Note: The Federal Communications Commission (FCC), Industry Canada, and other government agencies may impose certain restrictions on equipment connected to public telephone systems. For more information, se e Appendix A. Phone Connection For voice-only calls, you can optionally pl[...]

MultiModemDSVD User Guide 2 Installation 16 Multi-Tech Systems, Inc. Step 4: Step 4: Step 4: Step 4: Step 4: Inst Inst Inst Inst Inst al al al al al l t l t l t l t l t he Mod he Mod he Mod he Mod he Mod em Dr em Dr em Dr em Dr em Dr iv iv iv iv iv er er er er er If you use Windows 98, Windows Me, Windows NT 4.0, or Windows 2000, you must install t[...]

MultiModemDSVD User Guide 2 Installation 17 Multi-Tech Systems, Inc. Step 5: Step 5: Step 5: Step 5: Step 5: Inst Inst Inst Inst Inst al al al al al l Pho l Pho l Pho l Pho l Pho neT neT neT neT neT oo oo oo oo oo l l l l l s Sof s Sof s Sof s Sof s Sof t t t t t w w w w w ar ar ar ar ar e e e e e Multi-Tech includes PhoneTools communications softw[...]

C C C C C hapter hapter hapter hapter hapter 3 - Oper 3 - Oper 3 - Oper 3 - Oper 3 - Oper a a a a a t t t t t i i i i i o o o o o n n n n n[...]

MultiModemDSVD User Guide 3 Operation 19 Multi-Tech Systems, Inc. Int Int Int Int Int r r r r r oduct oduct oduct oduct oduct i i i i i o o o o o n n n n n Like any modem, your MultiModemDSVD operates only under the control of a communication program, such as the one included with the modem. It also operates under other general-purpose data communi[...]

MultiModemDSVD User Guide 3 Operation 20 Multi-Tech Systems, Inc. OH Off-Hook. The OH LED lights when the modem is off-hook, which occurs when the modem is dialing, online, or answering a call. The LED flashes when the modem pulse-dials. TR Terminal Ready. The TR LED lights when a datacomm program initializes the modem. It means the modem is ready [...]

MultiModemDSVD User Guide 3 Operation 21 Multi-Tech Systems, Inc. Dial-Up Net Dial-Up Net Dial-Up Net Dial-Up Net Dial-Up Net w w w w w o o o o o rk rk rk rk rk ing ing ing ing ing Whether you use the Internet for e-mail or for browsing the Web, to connect to it through your modem, you must first set up a remote-node client program. The one in Wind[...]

MultiModemDSVD User Guide 3 Operation 22 Multi-Tech Systems, Inc. Dial-Up Netw orking in Windows Me To install Dial-Up Networking Dial-Up Networking is automatically installed with Windows Me. To create a connection entry 1. Click Start , point to Programs , point to Accessories , point to Communications , and then click Internet Connection Wizard [...]

MultiModemDSVD User Guide 3 Operation 23 Multi-Tech Systems, Inc. To create a connection entry 1. Double-click the My Computer icon, and then double-click the Dial-Up Net- working icon . 2. In the Dial-Up Networking dialog box, click the New button. 3. In the New Phonebook Entry wizard, follow the directions to create a connec- tion entry. To dial [...]

MultiModemDSVD User Guide 3 Operation 24 Multi-Tech Systems, Inc. F F F F F ax ax ax ax ax Oper Oper Oper Oper Oper a a a a a t t t t t i i i i i o o o o o n n n n n Using the PhoneTools program included with your modem, you can use your modem to send and receive faxes directly from your computer. The following procedure uses print capture, which e[...]

MultiModemDSVD User Guide 3 Operation 25 Multi-Tech Systems, Inc. T o Answer a V oice Call in Speakerphone Mode 1. In the terminal window of your communications application, type AT and press E NTER . The modem will respond with OK . 2. Type AT&F and press E NTER to reset the modem to its default configuration. 3. Type AT#CLS=8#VRN=0#VLS=6S0=0 [...]

MultiModemDSVD User Guide 3 Operation 26 Multi-Tech Systems, Inc. T o Ans wer a DSVD Call Using the Headset (MT5600DSD V onl y) 1. In the terminal window of your communications application, type AT and press E NTER . The modem will respond with OK . 2. Type AT&F and press E NTER to reset the modem to its default configuration. 3. Type AT-SMS=1#[...]

C C C C C hapter hapter hapter hapter hapter 4 - 4 - 4 - 4 - 4 - A A A A A T T T T T C C C C C o o o o o mm mm mm mm mm ands ands ands ands ands[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 28 Multi-Tech Systems, Inc. A A A A A T T T T T C C C C C o o o o o mm mm mm mm mm ands ands ands ands ands AT commands are used to control the operation of your modem. They are so called because each command must be preceded by the characters AT to get the AT tention of the mo[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 29 Multi-Tech Systems, Inc. A A A A A T T T T T C C C C C o o o o o mm mm mm mm mm and Summ and Summ and Summ and Summ and Summ ar ar ar ar ar y y y y y Command: AT Attention Code Values: n/a Description: The attention code precedes all command lines except A/ and the escape se[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 30 Multi-Tech Systems, Inc. ; Return to command mode after dialing. (Place at end of dial string.) ! Hook flash. Causes the modem to go on-hook for the time specified in S29 , then off-hook again . @ Wait for silence. Causes the modem to wait for 5 seconds of silence before pro[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 31 Multi-Tech Systems, Inc. Command: L n Monitor Speaker Volume Values: n = 0, 1, 2, or 3 Default: 1 Description: L0 Select low volume. L1 Select low volume. L2 Select medium volume. L3 Select high volume. Note: Use the M command to turn the speaker on or off. Command: L5 Displ[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 32 Multi-Tech Systems, Inc. Command: O n Return Online to Data Mode Values: 0 or 1 Default: None Description: O0 Exit online command mode and return to online data mode without a retrain. Normally used after a +++ escape (see +++AT<CR> escape sequence). O1 Exit online com[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 33 Multi-Tech Systems, Inc. Command: W n Connect Message Control Values: n = 0, 1, or 2 Default: 0 Description: W0 The CONNECT result code reports the serial port speed only. W1 The CONNECT result code reports the line speed, the error correction protocol, and the serial port s[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 34 Multi-Tech Systems, Inc. Command: &C n Data Carrier Detect (DCD) Control Values: n = 0 or 1 Default: 1 Description: &C0 Forces the DCD circuit to always be high. &C1 DCD goes high when the remote modem’s carrier signal is de- tected, and goes low when the carri[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 35 Multi-Tech Systems, Inc. Command: &E n V.42bis Data Compression Values: n = 14 or 15 Default: 15 Description: &E14 V.42bis data compression disabled. &E15 V.42bis data compression enabled. Note: This command controls only V.42bis data compression, whereas the %C [...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 36 Multi-Tech Systems, Inc. Command: &M n Communications Mode Values: n = 0 Default: 0 Description: This command determines the DTR operating mode. The mo- dem treats the & M command as a subset of the & Q command. &M0 Selects direct asynchronous operation. Note[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 37 Multi-Tech Systems, Inc. &T3 Start local digital loopback, V.54 Loop 2. If no connection ex- ists, ERROR is returned. &T4 Enables acknowledgment for remote digital loopback request. &T5 Ignores acknowledgment for remote digital loopback request. &T6 Requests [...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 38 Multi-Tech Systems, Inc. Command: &Zy =x Store Telephone Number Values: y = 0–3 x = Dialing command Default: None Description: Stores telephone dial string x in memory location y . Each tele- phone number dial string can contain up to 34 digits. Dial the stored number [...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 39 Multi-Tech Systems, Inc. Command: %U PCM Code Selection Values: n = 0 or 1 Default: 0 Description: Specifies the PCM code type for 56K modulation. Note, how- ever, that the modem automatically selects the code type if the server sends the proper ID. %U0 Selects µ-Law coding[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 40 Multi-Tech Systems, Inc. Online command mode. The modem receives a Bn command from the computer: K0 Clear data buffers and send break to the remote modem. K1 Same as K0 . K2 Send break immediately to the remote modem. K3 Same as K2 . K4 Send break to the remote modem[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 41 Multi-Tech Systems, Inc. Command: +MS= Modulation Selection Values: See description. Default: See description. Description: This extended-format command selects modulation and, op- tionally, enables or disables automode, specifies the lowest and highest connection rates, sel[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 42 Multi-Tech Systems, Inc. <mod> 0 1 2 3 9 10 11 12 2 56 3 64 69 Modulation V .21 V .22 V .22bis V .23 V .32 V .32bis V .34 V .90 K56flex Bell 103 Bell212 Possible rates (bps) 1 300 1200 2400 or 1200 1200 9600 or 4800 14400, 12000, 9600, 7200, or 4800 33600, 31200, 28800[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 43 Multi-Tech Systems, Inc. Command: -SDR= n Distinctive Ring Control Values: 0–7 Default: 0 Description: This command enables or disables detection and reporting of distinctive ring. One, two, or three distinctive ring types can be simultaneously enabled depending upon the v[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 44 Multi-Tech Systems, Inc. Command: $SB n Serial Port Baud Rate Values: n = speed in bits per second Default: 57600 Description: $SB300 Set serial port to 300 bps. $SB1200 Set serial port to 1200 bps. $SB2400 Set serial port to 2400 bps. $SB4800 Set serial port to 4800 bps. $S[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 45 Multi-Tech Systems, Inc. Command: -SSE= n DSVD Enable/Disable Values: n = 0 or 1 Default: 0 Description: -SSE=0 Disable DSVD. -SSE=1 Enable DSVD. Note: DSVD mode can be enabled by either the -SSE=1 or the -SMS=1 command, and disabled by either -SSE=0 or -SMS=0 . Command: #BD[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 46 Multi-Tech Systems, Inc. S S S S S -R -R -R -R -R eg eg eg eg eg isters isters isters isters isters Certain modem values, or parameters, are stored in memory locations called S- registers. Use the S command to read or to alter the contents of S-registers (see previous sectio[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 47 Multi-Tech Systems, Inc. S18 seconds 0–255 0 Sets the length of time that the modem con- ducts an & T test before it returns to the command mode. If the value is zero, the test must be terminated from command mode by issuing an & T0 or H command. When S18 is non-ze[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 48 Multi-Tech Systems, Inc. 6 Reserved. 7 An MNP connection is attempted and if it fails, a normal modem connection is established. S37 decimal 0 0 Sets the maximum V.34 speed at which the modem attempts to connect. The default value is an automode connection. If N0 is active, [...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 49 Multi-Tech Systems, Inc. S86 decimal 0, 3–23 n/a When the modem issues a NO CARRIER result code, a value is written to this register to help determine the reason for the failed connection. S86 records the first event that contributes to a NO CARRIER message. Use the S86? c[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 50 Multi-Tech Systems, Inc. R R R R R esult esult esult esult esult C C C C C od od od od od es es es es es In command mode your modem can send the following responses, called result codes , to your computer. Result codes are used by communications programs and can also appear [...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 51 Multi-Tech Systems, Inc. 62 CONNECT 24000 Connected at 24000 bps 63 CONNECT 26400 Connected at 26400 bps 64 CONNECT 28800 Connected at 28800 bps 66 COMPRESSION CLASS 5 Connected with MNP Class 5 data compression 67 COMPRESSION V.42 bis Connected with V.42 bis data compressio[...]

MultiModemDSVD User Guide 4 A T Commands, S-Registers, and Result Codes 52 Multi-Tech Systems, Inc. 185 CONNECT 37333 Connected at 37333 bps (V.90 mode) 185 CARRIER 37333 37333 bps data carrier detected (V.90 mode) 186 CONNECT 38667 Connected at 38667 bps (V.90 mode) 186 CARRIER 38667 38667 bps data carrier detected (V.90 mode) 187 CONNECT 41333 Co[...]

C C C C C hapter hapter hapter hapter hapter 5 - So 5 - So 5 - So 5 - So 5 - So lv lv lv lv lv ing ing ing ing ing P P P P P r r r r r o o o o o b b b b b lems lems lems lems lems[...]

MultiModemDSVD User Guide 5 Solving Problems 54 Multi-Tech Systems, Inc. Int Int Int Int Int r r r r r oduct oduct oduct oduct oduct i i i i i o o o o o n n n n n Your modem was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection, or if you experience data loss or garbled characters during your [...]

MultiModemDSVD User Guide 5 Solving Problems 55 Multi-Tech Systems, Inc. T T T T T he Mod he Mod he Mod he Mod he Mod em D em D em D em D em D oes Not oes Not oes Not oes Not oes Not R R R R R espo espo espo espo espo nd to C nd to C nd to C nd to C nd to C o o o o o mm mm mm mm mm ands ands ands ands ands ✔ ✔ ✔ ✔ ✔ Make sure the modem is[...]

MultiModemDSVD User Guide 5 Solving Problems 56 Multi-Tech Systems, Inc. Windows 9x: Right-click on My Computer, select Properties from the menu, click on the Device Manager tab, double-click on Ports , then double-click on the communication port your modem is connected to. In the port’s Properties sheet, click on the Resources tab to see the por[...]

MultiModemDSVD User Guide 5 Solving Problems 57 Multi-Tech Systems, Inc. ✔ ✔ ✔ ✔ ✔ If the modem reports BUSY, the other number might be busy, in which case you should try again later, or it might indicate that you have failed to add a 9, prefix to the phone number if you must dial 9 for an outside line. If you must dial 9 to get an outsid[...]

MultiModemDSVD User Guide 5 Solving Problems 58 Multi-Tech Systems, Inc. T T T T T he Mod he Mod he Mod he Mod he Mod em Cannot em Cannot em Cannot em Cannot em Cannot C C C C C o o o o o nne nne nne nne nne ct ct ct ct ct W W W W W hen hen hen hen hen Ans Ans Ans Ans Ans w w w w w er er er er er ing ing ing ing ing ✔ ✔ ✔ ✔ ✔ Autoanswer m[...]

MultiModemDSVD User Guide 5 Solving Problems 59 Multi-Tech Systems, Inc. ✔ ✔ ✔ ✔ ✔ If you are running under Windows 3.1 and have a 16550AFN UART, you might need to turn on the 16550’s data buffers and/or replace the Windows serial driv- er, COMM.DRV. ✔ ✔ ✔ ✔ ✔ Try entering the &V1 command to display information about the l[...]

Appendix Appendix Appendix Appendix Appendix es es es es es[...]

MultiModemDSVD User Guide A Regulatory Compliance 61 Multi-Tech Systems, Inc. Appendix Appendix Appendix Appendix Appendix A A A A A : : : : : R R R R R eg eg eg eg eg ula ula ula ula ula to to to to to r r r r r y y y y y C C C C C o o o o o mp mp mp mp mp lianc lianc lianc lianc lianc e e e e e F F F F F C C C C C C P C P C P C P C P ar ar ar ar [...]

MultiModemDSVD User Guide A Regulatory Compliance 62 Multi-Tech Systems, Inc. 10. If so required, this equipment is hearing-aid compatible. Manufacturer: Multi-Tech Systems, Inc. Model Number: MT5600DSVD FCC Registration No: AU7USA-24713-M5-E Ringer Equivalence: 0.3B Modular Jack (USOC): RJ11C or RJ11W (single line) Service Center in USA: Multi-Tec[...]

MultiModemDSVD User Guide A Regulatory Compliance 63 Multi-Tech Systems, Inc. F F F F F ax ax ax ax ax Br Br Br Br Br anding St anding St anding St anding St anding St a a a a a tement tement tement tement tement The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device, including fa[...]

MultiModemDSVD User Guide A Regulatory Compliance 64 Multi-Tech Systems, Inc. EM EM EM EM EM C, C, C, C, C, S S S S S af af af af af et et et et et y y y y y , , , , , and R&T and R&T and R&T and R&T and R&T T T T T T E Dir E Dir E Dir E Dir E Dir e e e e e ct ct ct ct ct iv iv iv iv iv e C e C e C e C e C o o o o o mp mp mp mp [...]

MultiModemDSVD User Guide B Technical Specifications 65 Multi-Tech Systems, Inc. Appendix Appendix Appendix Appendix Appendix B: B: B: B: B: T T T T T e e e e e c c c c c hni hni hni hni hni c c c c c al Spe al Spe al Spe al Spe al Spe cif cif cif cif cif i i i i i c c c c c a a a a a t t t t t i i i i i o o o o o ns ns ns ns ns Your MultiModemDSVD[...]

MultiModemDSVD User Guide B Technical Specifications 66 Multi-Tech Systems, Inc. Data Modulation FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-trellis), QAM with trellis-coded modulation (TCM) at 9600, 12,000, 14,400, 16,800, 19,200, 21,600, 24,000, 26,400, 28,800, 31,200, 33,600, and 56,000 bps Fax Modulation V.21 CH2 FSK a[...]

MultiModemDSVD User Guide B Technical Specifications 67 Multi-Tech Systems, Inc. Voice Compression PCM 128, 8000 Hz, or IMA ADPCM, 8000 Hz, (selectable and Sampling Rate via #V commands). Note that your computer system should have a processing speed of at least 75 MHz to take full ad- vantage of the telephony features of this product. Transmit Leve[...]

MultiModemDSVD User Guide C Warranty, Service, and Technical Support 68 Multi-Tech Systems, Inc. Appendix Appendix Appendix Appendix Appendix C: C: C: C: C: W W W W W ar ar ar ar ar r r r r r ant ant ant ant ant y y y y y , , , , , Ser Ser Ser Ser Ser v v v v v i i i i i c c c c c e, e, e, e, e, and and and and and T T T T T e e e e e c c c c c hni[...]

MultiModemDSVD User Guide C Warranty, Service, and Technical Support 69 Multi-Tech Systems, Inc. Please direct your questions regarding technical matters, product configuration, verification that the product is defective, etc., to our Technical Support department at (800) 972-2439 or email tsupport@multitech.com. Please direct your questions regard[...]

MultiModemDSVD User Guide C Warranty, Service, and Technical Support 70 Multi-Tech Systems, Inc. Ser Ser Ser Ser Ser v v v v v i i i i i c c c c c e e e e e U.S. and Canadian Customers In the event that service is required, products may be shipped, freight prepaid, to our Mounds View, Minnesota, factory: Multi-Tech Systems, Inc. 2205 Woodale Drive [...]

MultiModemDSVD User Guide C Warranty, Service, and Technical Support 71 Multi-Tech Systems, Inc. you, as listed at http://www.multitech.com/COMPANY/offices/DEFAULT.ASP ., or e- mail tsupport@multitech.com . When calling the U.S., please direct questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accounting depart[...]

MultiModemDSVD User Guide D Upgrading the Modem 72 Multi-Tech Systems, Inc.[...]