Voltcraft ct 7 cable tester suitable for 9 pin 15 pin 25 pin sub d 15 pin sub hd centronics usb a b ieee 1394
For quickly and easily testing all common computer cables for continuity short circuit open ends crossover incorrect wiring etc an easy to read led display allows you to test each conductor connection in turn manually or automatically so that you can check for multiple ground connections or incorrect crossed connections or detect breaks in the wire