Convert your existing straight wired cables to null modem or reverser (transmit & receive) cables with these handy, inexpensive adapters. Simply plug these adapters onto the end of a cable and you're done! The low profile design reduces leverage strain on overstressed computer ports and is fully shielded for electrically noisy environments. Features: Converts standard, straight wired cables to null modem wiring Gold contact plating provides reliable connections with repeated mating cycles Slimline design reduces leverage strain on computer ports UL grade 94V-0 connector insulator satisfies flammability requirements Application: DTE/DCE communications Null modem RS-232 Serial data transfer