16-2 CHAPTER 16: UPGRADING Y OUR MODEMCheck the Supervisor and Digital Signal Processor (DSP) dates found inthe last two lines of the screen display. These dates will determine whichversion of the software your modem is using.The best way to find out the current shipping version of the modem’ssoftware is to visit the 3Com U.S. Robotics Web site athttp://www.usr.com/home/online.Getting NewOperating SoftwareTo get the newest version of the Business Modem’s operating software:n Go to the 3Com U.S. Robotics Web site athttp://www.usr.com/home/online. Select Upgrades/Updates. You willthen have a choice of having the site help you determine your productcode or entering the product code directly. Once you have productcode, you can be sent to the latest firmware web page.n Call the 3Com Bulletin Board Service (BBS) at (847) 262-6000.n From the main menu, select Filesn Select area 5, USR Business Modemn Download the newest Business Modem file with the extension .ZIPRemember to select the proper ZIP file for your Business Modem.n If you have problems with downloading the current shipping versionof the modem’s software call 3Com Technical Support at (888)326-6099.Sending NewSoftware to yourmodemTo send the new code to your modem, all you need is a standard terminalprogram that can send files using the XMODEM protocol.1 Start a communications software package, such as Hyperterminal, QuickLink II or MacComCenter. Adjust the settings, if necessary, so you cansend AT to your modem and get an OK response.If you are sending the file from a Macintosh computer, make sure you donot transfer the file in MacBinary format. In MacComCenter, for example,select Setup | File Transfer.... Under MacBinary options, select NeverMacBinary.