Modems and Cables

Track 1-2 : Joint Session

Objective

• Internet connection types,

• Dial-up networking details

• &Troubleshooting Tips

The key components of connecting to the Internet

•Computer•Connection devices•Networking Software•Web browser•An Internet Provider

There are several ways to get on the Internet:

•Telephone Dial-Up connection•ISDN connection•Leased line connection •Broadband Cable connection•Broadband DSL connection•Satellite connection (DirecPC) •more ..

Dial-Up connection

ISDN Connection

DSL connection

– ADSL (Asymmetric Digital Subscriber Line) – RADSL (Rate Adaptive Digital Subscriber Line)

– IDSL (ISDN Digital Subscriber Line)– HDSL (High-Data-Rate Digital Subscriber Line)

– VDSL (Very-High-Rate Digital Subscriber Line)

Cable Connection

HOUSE

Cable modem

PC

Television

VCRTelevision

Installation

Satellite connection (DirecPC)

Dial up connection• Minimum requirements: A computer (486 or higher) Modem• Phone line with call waiting disabled.• Electricity

Modem cables

Modem speed comparison

V.32 Modem14400 bps

V.34 Modem 28800 bps

V.90 Modem50000 bps

Time Elapsed: 30 seconds(good time to go for coffee)

Time Elapsed: 30 seconds(using a Half-fast modem) Time Elapsed: 30 seconds

OK! I get the picture!

How modems work

Troubleshooting tips for Dial-up networking

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