How a Modem Makes Its Connection


Modems are controlled by software on your PC using a language called the Hayes command set or AT command set. When a modem is to be dialed, the first command given it is to tell it to go off hookin other words, to open a connection with the phone line. After that, a command tells the modem to dial a telephone number to make a connection.



 



How the Internet Works
How the Internet Works (8th Edition)
ISBN: 0789736268
EAN: 2147483647
Year: 2004
Pages: 223

Similar book on Amazon

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net