Macintosh 1-13System Configuration Also, if you aren’t using AppleTalk® Remote Access (ARA), set AppleTalkto Inactive (in Chooser).The modem initialization string should be AT&F1&D0.For instructions about how to set up your Macintosh communicationssoftware package, see the software installation instructions that camewith the software.Accessing theInternetAccessing the Internet through an ISP requires the following software:n MacTCP or Open Transport (TCP/IP from the Control Panels menu),which has probably already been installed on your Macintoshn SLIP or PPP dialing softwareYou can find public domain PPP dialers (such as MacPPP, FreePPP) on theInternet.Macintosh (230K)High Speed scriptinstallationTo enable the 230K DTE support for the Business Modem and 25 mhzBusiness Modem you first must install the Macintosh (230K) High SpeedScript and then configure Open Transport PPP.Installing the script1 Download the USRARA.HQX file.This file can be found on the internet athttp://www.usr.com/home/online/ in the software library area. It can alsobe downloaded from the BBS at 847-262-6000.2 After the file is downloaded, it needs to uncompressed. When the file isuncompressed the USRARA.SEA Folder appears.3 Inside the USRARA.SEA folder is a readmefirst.txt file and the 3Com HighSpeed script.4 Move the script file to the following path C:\System\Extensions\ andcreate a folder named Modem Scripts.Once you place the script in the Modem Scripts folder you will have theoption to choose the 3Com High Speed in Open Transport PPP or ARA.The script will attempt to talk to the modem at 230.4 port speed and ifthis fails, it will attempt at the next lowest speed. This will continue until