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.
Null modem serial cable 9 pin female to 9 pin female.
Two common applications are rs 232 eia 232 serial connections including ups cables and a variety of video interfaces on the ibm pc.
Kentek 6 feet ft db9 female to db25 male null modem serial printer cable adapter cord 28 awg f m molded d sub rs 232 crossover 9 to 25 pin for pc mac serial device 5 0 out of 5 stars 1 6 18 6.
If you re using a serial cable or null modem cable for local serial connectivity or for modem replacement you might consider looking at the traversix network connectivity solutions.
The length is 6 ft 2 m.
Here s a good set of figures for d sub 9 male and female connectors as viewed from the pin side not the solder side.
10873 serial data cable 9 pin female to 9 pin male.
Pins commonly used for rs 232 eia 232 serial.
18663 null modem cable 9 pin male to 9 pin male.
You can use.
This cable is commonly used with the nl100 sdm can and sdm sio4 peripherals.
Here s a good set of figures for db 9 male and female connectors as viewed from the pin side not the solder side.
Sc110 two cables rs 232 to data logger control port.