Viking InterWorks 56K manual Troubleshooting, Universal Serial Bus USB Basics

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5 Troubleshooting

VIKING COMPONENTS 56K USB MODEM USER’S GUIDE

5 Troubleshooting

This chapter will cover some solutions to some common problems you may expe- rience when installing your Viking USB modem. Some solutions may not apply to your operating system or may not be listed. If your problem is not answered in the following sections, please proceed to page 31, on contacting Viking for sup- port. For software problems, please refer to the communication software “User Guide”for solutions.

Universal Serial Bus (USB) Basics

If you are having problems with one or multiple USB devices, try the following:

•Plug the modem into another USB port on your system.

•If the modem is connected to a self-powered hub, try unplugging one or more devices from the hub.

•If the modem is connected to a self-powered hub, make sure the hubs power cord is plugged into a working electrical outlet.

•If the modem is connected to a self-powered hub, try plugging the modem into another port on the hub.

•Unplug all USB devices from your computer except your keyboard* and mouse*. Plug one device in at a time to determine which device is the problem. Once the problem device has been determined:

There may be something wrong with the cable connecting the device. If possible, borrow a cable that you know works with another similar device. Connect the cable to the device,then connect the device to your computer. If the device works using the borrowed cable, then you need to replace the cable.

*If an USB device

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Contents USER’S GUIDE VIKING 56K USB MODEMWINDOWS 95OSR2 S P E E D P O W E R P E R F O R M A N C ETable of Contents Viking 56K USB Modem Features & Specifications 1 Introduction2 Before You Install System Requirements2 Chapter Phone Line Requirements Communications Software requirements3 Installation Verifying Your System is USB ReadyHardware Installation Hardware Installation Continued 3. Power on your computerSoftware Installation Windows 95 OSR2 SoftwareWindows 95 OSR2 Software Continued Your installation is now completeWindows 98 Software 9 ChapterWindows 98 Software Continued 10 Chapter11 Chapter Using Data and Fax Communication Software Changing the modem Initialization StringAT&F&C1&D2 4 Technical Notes Status Light DefinitionsIRQ Settings and DOS Applications IRQ Settings and DOS Applications Continued 6. Select the “DOS Support”tab5 Troubleshooting Universal Serial Bus USB Basicscommunication error or modem General TroubleshootingThe power light on the modem is saving mode, disabling this feature is recommendedGeneral Continued settings18 Chapter Modem does not fax 6 Basic AT Commands Basic AT Command SetGuidelines Basic AT Command Set Continued 21 Chapter22 Chapter Report basic call progress result codes and connection rate, i.e., OK23 Chapter 24 Chapter Enable RPI and set DTE speed to 19200 bps When modem receives break from the remote modemEnable Distinctive Ring Type 1,2 and Enable RPI and set DTE speed to 38400 bpsEnable MNP 5 data compression ECC CommandsMNP 10 Commands 26 ChapterInitialization Strings MNP 10 Commands ContinuedCaller ID Commands 27 ChapterFax Class Fax ClassFax Class 2 Continued 29 Chapter7 Modem Driver & Firmware Upgrades 8 Contacting Technical Support Viking Components Technical Support Phone Number9 Communication Regulations INDUSTRY CANADA IC NOTICEREN 1.0B PART 68 REQUIREMENTS This equipment uses RJ11 jackPART 68 REQUIREMENTS Continued 34 ChapterAll shipping costs shall be the responsibility of the purchaser 10 Warranty & Disclaimers5 YEAR WARRANTY Copyright 1999 Viking Components, Inc