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What is null modem cable and what is often used for?
A null modem cable is a type of serial cable that connects two devices directly, allowing them to communicate without a modem. It typically links two computers or devices by crossing the transmit and receive lines, enabling data transfer between them. Null modem cables are often used for direct device-to-device communication in applications like data transfer, programming embedded systems, or connecting older hardware that relies on serial communication protocols.
When was Null Device created?
Null Device was created in 1995.
Where do you find a user guide on networking with a null modem?
A user guide on networking with a null modem can be found in various places. One place is to check the information that came with the null modem. If one cannot find the answers they seek there, then another place is to check with a networking expert.
What is the purpose of a null modem cable?
A null modem is a cable connecting two serial ports with the input and outputs and device control lines crossed over, so the input pin on one port is connected to the output pin on the other, and so on. It is also called a 'cross-over cable'. A null modem allows two computers to be connected together using their serial ports without using modems (hence null modem). If you used a standard ('straight') serial cable, the two inputs would be connected together, and the two outputs, and so on, so the computers would not be able to communicate. Modems have their data and control pins reversed internally, so a 'straight' cable is used between a computer and a modem.
What is the device used to connect to the isp?
A modem
What is a null modem cable?
A null modem cable is a cable which connects two computers directly. The connection is made using serial interface and actually requires no modem or phone line. These connections can be useful for some legacy applications, however due to the availability of low cost networking equipment null modem connections are now rarely used.
A type of communications device that connects a communications channel to a sending or receiving device?
modem
Where could one find a null modem serial cable for purchase?
You can find a Null Modem Serial Cable for sale from stores such as Walmart, Tiger Direct and Radio Shack. You can also get these cables from retailers such as Amazon.
Is modem an input or output device?
A modem (Modulator-demodulator) is both. It allows you to input data (download) and output data (upload).
A device used by a PC to communicate over a phone line?
The device you are referring to is called a Modem.
Introduction on pc-pc communication?
try a null modem serial connection
Is a modem a peripheral device?
A modem is a peripheral device based on the fact that peripheral devices are devices located on the outside of a computer
