AC International MTA128ST-USB

Chapter 5 - Troubleshooting

Contents

Main User Guide Model MTA128ST-USB Record of Revisions Revision Date Description Trademarks Contents 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 Product Description Universal Serial Bus (USB) Manual Organization Features Technical Specifications Page Unpacking Your MTA128ST -USB Safety Warning Telecom/ISDN-ST Assembling the MTA128ST-USB Connecting the MTA128ST-USB to Your System Connecting to Your Computer Connecting to Power Connecting to Your ISDN Network Terminator Connecting to Analog Equipment LED Indicators TD RD LS B1 References Page Installing in Windows 2000 Copy manufacturers files from: Page Changing the Modem Descriptor (Windows 2000) Page Installing in Windows 98 Page Page Changing the Modem Descriptor (Windows 98) Page Page Installing in Windows 95 Removing Your Old Device from Windows 2000 and Windows 98/ 95 Configuration Network Configuration Call Control Configuration Page ISDN MTA128ST-USB Configuration Utility To Install in Windows 2000/98/95 Install/Uninstall To Use the ISDN MTA128ST-USB Configuration Utility Windows 2000 Dial-Up Networking If you select Dial-up to private network and have only one modem installed: . If you select Connect to a private network through the Internet: If you select Accept incoming connections: this If you select Connect directly to another computer: Page Windows 98/95 Dial-Up Networking Page AT Commands Using AT Commands to Configure the MTA128ST-USB &W Configuration Page Entering AT Commands AT Commands by Function Command Implementation Switch Configuration USB Port Configuration Data Call Commands Command Implementation S2= AT + <break>AT<cr> Switch Configuration Commands overlap sending sending complete indication, Page Page Page USB Port Configuration Commands Page Page flow control pacing &Jn !Z=9 ATD5551000&5553000 Page Data Call Commands Page S-Registers S-Register Summary Page Page Page loud hot Page Page Page Page Page Page Page Page Page Result Codes result codes, Connect verbose terse Using AT Commands to Operate the MTA128ST-USB Modes of Operation ATD 1 (763) 785-3500 < ATD 1-763-785-3500 < ATD17637853500 < Answering a Call Answering Manually Answering Automatically Hanging Up Page None of the LEDs light when the MTA128ST-USB is on The MTA128ST-USB does not respond to commands None of the LEDs Light When the MTA128ST-USB Is On. TR Resources The MTA128ST-USB dials but cannot make a connection NO DIALTONE BUSY bundling NO CARRIER You can place data calls but not voice calls or vice versa You cannot place two simultaneous data calls The MTA128ST-USB disconnects while online The MTA128ST-USB cannot connect when answering bad packet File transfer appears slower than it should be Data is being lost Page Page Technical Support Limited Warranty Addendum for North American Products Addendum for International Products Out of Warranty Repair Costs On-line Warranty Registration Software User License Agreement Page Technical Support Recording Modem Information Contacting Technical Support Service Ordering Accessories Upgrading the MTA128ST-USB with FlashWizard Using FlashWizard to Upgrade Firmware Page Appendix A: Regulatory Compliance Class B Statement FCC Part 15 Industry Canada EMC, Safety, and Terminal Directive Compliance Appendix B: Configuration Profiles Quick Setup Factory Profiles n Profile 0 (&F0 AT&W0 AT Commands, S-Registers, and Result Codes 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-PPP Asynchronous Operation Page Symbol A command mode attention AT C D analog data low background E F H h I ET (exchange termination) subscriber loop frames ice-a N plug and play standard ACK O Q R S SS7 in-band signaling T box pulse dialing U V X Page Index A B C D E F H I L M N O S T U V W