Bring ultimate flexibility to RS-232 applications with the patented Serial270 DB9 Extension Cables by Cables To Go. The 270° DB9 connector on each end rotates from side to side in almost a complete circle, allowing easy positioning of the cable to fit the installation. The connectors feature detents, or click-stops, every 90 degrees ensuring signal integrity is maintained. The oversized thumbscrews are slotted for easy connection to equipment. Null Modem serial cables allow two DTE or DCE devices to communicate with no conflict in data transmission. Cables To Gos inexpensive, high-quality cables deliver the data for you quickly and reliably over short distances (less than 100 feet). With Serial270, the days of not having the right connector orientation on your cables are over!