Product details

• Catalog Description:
• TC630 AF 100 Optical Modem
  
• Long Description:

• Advant Fieldbus 100 coaxial/optical or optical/coaxial cable. Power 24V
  D.C.
  For optical fibre 2 x 65.5/125 or 100/400 um. Connectors of ST-style.

• Product Net Depth / Length:
• 47 mm
  
• Product Net Height:
• 11 mm
  
• Product Net Width:
• 65 mm
  
• Product Net Weight:
• 0.715 kg

A modem is a piece of computer hardware that translates a computer's digital signals into pulse signals that can be transmitted along an ordinary telephone line, and these pulse signals can be picked up by another modem at the other end of the line and translated into a language that the computer can understand. This simple process completes the communication between the two computers.

Modem, in fact, is the abbreviation of Modulator (modulator) and Demodulator (demodulator), Chinese called modem (Hong Kong and Taiwan called data machine). According to the homophony of Modem, affectionately called "cat".

The so-called modulation is to convert the digital signal into the analog signal transmitted on the telephone line; Demodulation, the conversion of an analog signal into a digital signal. Collectively called modem.

The English word for MODEM is MODEM, which acts as an "interpreter" for analog and digital signals. There are two kinds of electronic signals, one is "analog signal" and the other is "digital signal". The telephone lines we use transmit analog signals, and the PCS transmit digital signals between them. So when you want to connect your computer to the Internet over a phone line, you have to use a modem to "translate" two different signals. After connecting to the Internet, when the PC sends information to the Internet, because the telephone line transmits an analog signal, it must use a modem to "translate" the digital signal into an analog signal before it can be transmitted to the Internet, this process is called "modulation". When a PC obtains information from the Internet, the information transmitted from the Internet through the telephone line is an analog signal, so the PC

In order to understand them, you must also use the modem to "translate ", a process called" demodulation ". In general, it is called"Modulation and demodulation.

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