Null Network Cable

The use of ethernet crossover cables was common on older home networks years ago when connecting two pcs directly together.

Null network cable.

Null modem communication refers to using a crossed over rs 232 cable to connect the teleprinters directly to one. These cables were created to support temporary host to host networking in situations where an intermediate device such as a network router is not present crossover cables look almost identical to ordinary straight through or patch ethernet cables but the internal wiring. A crossover cable joins two network devices of the same type such as two pcs or two network switches. 0 out of 5 stars based on 0 reviews current price 23 80 23.

Null modem is a communication method to directly connect two dtes computer terminal printer etc using an rs 232 serial cable the name stems from the historical use of rs 232 cables to connect two teleprinter devices or two modems in order to communicate with one another. You need an ethernet crossover cable a null modem serial cable or parallel peripheral cable or special purpose usb cables. Two computers via their network interface controllers or two switches to each other by contrast patch cables or straight through cables are used to connect devices of different types such as a computer to a. The conventional method to network two computers involves making a dedicated link by plugging one cable into the two systems.

Null modem cables are one example of the category of crossover cables. 80 list list price 31 07 31. Serial rs232 db9 null modem cable with low pr. Product title 35 ft.

Also please note that it is very important that a single pair be used for pins 3 and 6. It is most often used to connect two devices of the same type e g. An ethernet crossover cable also known as a crossed cable connects two ethernet network devices to each other.