Null Modem serial cables allow two DTE or DCE devices to communicate with no conflict in data transmission. Cable Connection standard null modem cables use the modem-to-terminal pin out that supports both hardware and software handshaking. Transmit and receive signals are crossed to ensure proper data transmission. These high-quality Null Modem cables can deliver the data quickly and reliably over short distances. Available in a wide array of stock lengths and gender combinations.