Information Computer

Monday, August 1, 2011

Setting Internet USB Modem In Ubuntu

Setting Intenet USB Modem In Ubuntu
need to be considered for the linux version 10.04 down. must install the files below first.
Name FileLink Download

for the linux version 10.04 and above do not need to install the files above. follow these steps for setting intenet with USB modem in ubuntu.
  1. usb modem plugs
  2. if it is detected, click the network connection tray icon - click on edit
  3. Mobile Broadband tab - click add
  4. choose your provider's country - click forward
  5. choose your provider  - click forward
  6. choose your billing plan - click forward
  7. click apply.

how to activate the following.
  1. click the network connection tray icon
  2. click your connection name.
  3. finish.
    post a comment if anyone asked. thank :)

    need to know! 
    A modem (modulator-demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data. Modems can be used over any means of transmitting analog signals, from light emitting diodes to radio. The most familiar example is a voice band modem that turns the digital data of a personal computer into modulated electrical signals in the voice frequency range of a telephone channel. These signals can be transmitted over telephone lines and demodulated by another modem at the receiver side to recover the digital data.

    Modems are generally classified by the amount of data they can send in a given unit of time, usually expressed in bits per second (bit/s, or bps). Modems can alternatively be classified by their symbol rate, measured in baud. The baud unit denotes symbols per second, or the number of times per second the modem sends a new signal. For example, the ITU V.21 standard used audio frequency-shift keying, that is to say, tones of different frequencies, with two possible frequencies corresponding to two distinct symbols (or one bit per symbol), to carry 300 bits per second using 300 baud. By contrast, the original ITU V.22 standard, which was able to transmit and receive four distinct symbols (two bits per symbol), handled 1,200 bit/s by sending 600 symbols per second (600 baud) using phase shift keying.

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