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Multi-Tech Systems MTA128ST-USB Contacting Technical Support, Service, China, India, Mail:, France, Germany, ...By phone, U.S. & Canada, U.K. & Europe, serial number, ...Using email

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MultiModem ISDN User Guide

Technical Support

Multi-Tech provides free technical support for as long as your product remains in service. Before calling Technical Support, please complete the Recording Modem Information section below. Also check your cables to ensure they are connected properly. To contact our Technical Support group, use one of the following contact options, keeping in mind that phone calls are handled with first priority:

Contacting Technical Support

	...Using email	...By phone
U.S. & Canada	tsupport@multitech.com	800-972-2439 or 763-785-3500
France	support@multitech.fr	+(33) 1-64 61 09 81
Germany	technical@de.multitech.com	+(49) 89028-0
China	support@multi-tech.com.cn	+(86)	10-68748015
India	support@multitechindia.com	+(91)	124-340778
U.K. & Europe	support@multitech.co.uk	+(44) 118 959 7774

Multi-Tech has an excellent staff of technical support personnel available to help you get the most out of your Multi-Tech product. If you have any questions about the operation of this unit, call Technical Support at (763) 717-5863.

Service

If your tech support specialist decides service is required, send the MTA128ST-USB (freight prepaid) to our factory. Return shipping charges are paid by Multi-Tech Systems (within North America).

Include the following with your MTA128ST-USB:

•a description of the problem.

•return billing and return shipping addresses.

•contact name and phone number.

•check or purchase order number for payment if the MTA128ST-USB is out of warranty. Check with your technical support specialist for current repair charges.)

•if possible, note the name of the technical support specialist with whom you spoke.

If you need to inquire about the status of the returned product, be prepared to provide the serial number of the product sent.

Send the MTA128ST-USB to:

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112 ATTN: Service or Repairs

Ordering Accessories

SupplyNet, Inc. supplies replacement transformers, cables and connectors for select Multi-Tech products.You can place an order with SupplyNet via mail, phone, fax or the Internet at:

Mail: SupplyNet, Inc.

614 Corporate Way

Valley Cottage, NY 10989

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Contents

Page User Guide Record of Revisions Revision Date Description Chapter 1 - Introduction and Description Chapter 2 - Hardware Installation Chapter 3 - Software Installation and Configuration Chapter 4 - AT Commands, S-Registers and Result Codes Chapter 5 - Troubleshooting Chapter 6 - Warranty, Service, and Technical Support Appendixes Page MultiModemISDN User Guide Figure 1-1: MTA128ST-USB(Front View) Chapter 1 - Introduction and Description Chapter 1: Introduction and Chapter 2: Hardware Installation Chapter MTA128ST-USB-RC Trade Name Model Number Network Interface Switch Compatibility B-ChannelProtocols Page Chapter 2 - Hardware Installation Figure 2-1.Unpacking MultiModem ISDN User Guide Figure 2-2.Mounting the Feet Figure 2-3. MTA128ST-USBConnections Connecting to Your Computer Connecting to Power Connecting to Your ISDN Network Terminator Connecting to Analog Equipment Figure 2-4:Front Panel Transmit Data Receive Data Power Bearer Channel 1 (B1) Data Protocol Data Protocol 128 LED P1 LED P2 LED Page Installing in Windows Locate Driver Files 7.If the Digital Signature Not Found dialog box displays Yes A:\Win2k 9.The Driver Files Search Results dialog box displays Completing the Found New Hardware Wizard Finish My Computer Properties Changing the Modem Descriptor (Windows 2000) 8.The Upgrade Device Driver Wizard dialog box displays 9.The Install Hardware Device Drivers dialog box displays Install New Modem 11.The Start Device Driver Installation dialog box displays Digital Signature Not Found 13.The Completing the Upgrade Device Driver Wizard dialog box displays Close Installing in Windows 95/98 Select Auxiliary-Drivers and click Next Click Have Disk Install from Disk A:\Win95_98 Select Next Update Driver Warning Add Hardware Wizard New Hardware Wizard Page Page Changing the Modem Descriptor (Windows 95/98) 8.The Update Device Driver Wizard dialog box displays 9.The Upgrade Device Driver Wizard dialog box displays Update Device Driver Wizard Removing Your Old Device from Windows 2000 and Windows 98 Network Configuration Call Control Configuration Protocol Protocol MLPPP Dialing Numbers Stored Numbers &Z To Install in Windows 2000/98/95 2.Click Start | Settings | Control Panel Add/Remove Programs Install Add New Programs Start Settings Network and Dial-up Connections Dial-up to private network Phone Number to Dial Connection Availability Create this connection for all users Step 3 of 3: Configuring your computer i.The Completing the Internet Connection Wizard is displayed. Click Finish If you select Connect to a private network through the Internet: If you select Accept incoming connections: Allowed Users Competing the Network Connection Wizard Accessories Dial-Up Networking Communications | Welcome to Modem Properties Server Types TCP/IP Settings Using AT Commands to Configure the MTA128ST-USB Page Entering AT Commands AT Commands by Function Data Call Commands RETURN +++AT<cr S2 Command: <break>AT<cr Switch Configuration Commands %A97=n %A97=0 %A97 %A97=1 !D3=n !D3=240 !D3 !D3=0–63 !D3=241 !EN=n !EN=1 !EN=2 *!EN=n *!EN=1 !N2=n !N1 *!N1=n !RXGn !RXG6 !Z=n !Z=9 !Z=5 !Z=6 !Z=12 USB Port Configuration Commands L5 and L6 ATL5 ATL6 Sr=n Sr ATZ &W0 &W1 &F0 &Cn &C0 &C2 &Dn &D0 &E3 &E5 &E6 &E7 &E12 &Jn &J1 !Z=9 ATD5551000&5553000 n=0 &Wn &Zn=x &Z AT&Zn AT&Z4 Data Call Commands +++AT <cr ATH ATH0 +++ATH <cr ATO S-RegisterSummary S0=0 S0=1 S10 S10=254 S25 S30 S31 S32 S34 S44 S45 S46 S49 S50 S51 S52 S53 S54 S55 S17 S18 S57 S58 S59 S60 S61 S62 S63 S64 S65 S66 S67 S68 S69 S70 S71 S73 S75 S76 S77 S80 Page Modes of Operation Dialing Channel Bundling Flag Dialing Canceling a Call Storing a Telephone Number Dialing a Stored Telephone Number Displaying a Stored Number Answering Manually AT&D0 +++AT ATH +++ATH<cr Page Chapter 5 - Troubleshooting None of the LEDs light when the MTA128ST-USBis on The MTA128ST-USBdoes not respond to commands The MTA128ST-USBdials but cannot make a connection ATV1X2 You can place data calls but not voice calls or vice versa You cannot place two simultaneous data calls The MTA128ST-USBdisconnects while online The MTA128ST-USBcannot connect when answering ATS0=1 File transfer appears slower than it should be Data is being lost Page Page Limited Warranty Addendum for North American Products Addendum for International Products Out of Warranty Repair Costs On-lineWarranty Registration Page Contacting Technical Support Service Phone: Fax: Email: Internet: Using FlashWizard to Upgrade Firmware Page Class B Statement FCC Part Industry Canada EMC, Safety, and Terminal Directive Compliance Quick Setup Example Profile 0 (&F0) — Modem-LikeAsynchronous Operation Profile 1 (&F1) — V.110 Asynchronous Operation Profile 2 (&F2) — V.120 Asynchronous Operation Profile 3 (&F3) — X.75 Asynchronous Operation Profile 4 (&F4) — ML-PPPAsynchronous Operation Page Page Glossary Page Page Page Page Page Page Page Page Index Index