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What is a null modem cable?

In: Computers [Edit categories]

Answer:

Null modem is a communication method to connect two DTEs (computer, terminal, printer etc.) directly using a RS-232 serial cable.

First answer by ID0000000000. Last edit by ID2528143842. Question popularity: 2 [recommend question].

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When is a null modem cable used?
To exchange data between two DTE devices
What is a null modem?
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...
What is the purpose of a null modem cable?
The purpose of a null-modem cable is to permit two RS-232 "DTE" devices to communicate with each other without modems or other communication devices (i.e., "DCE"s) between them.
Is null modem a device or technology?
A device is an example of technology. A null modem cable is a device.
Do I need wireless with a cable modem?
No. Your computer would connect directly to the cable modem via an ethernet cable.