Get quick and easy diagnosis of open wires shorted wires crossed wires and miswiring - now for almost any PC cable on the market (Serial ATA RJ45 USB IEEE-1394 FireWire DB9 DB25 HD15)! We took the original PC Cable Tester and made it even better, The PC Cable Tester PRO ATA now supports the Serial ATA/High Speed Serialized AT Attachment, This stand-alone test device provides the user with a wire map of standard PC data cables, The unique LED display clearly determines wiring status by providing a point-to-point pin-out of the actual wiring configuration, This is an essential tool for cable dealers cable assembly houses IT professionals or system integrators to quickly troubleshoot PC data cables the place where most data transmission problems occur, Features: Covers almost any PC cable on the market: Serial ATA RJ45 USB IEEE-1394 FireWire DB9 DB25 HD15, Uses wire mapping display, Tests USB and Firewire for actual pin configurations, Detects open wires shorts and miswiring, LED glow enhanced for printer cable test, Automatic or manual scanning, Hand-held lightweight and totally portable, DC battery compartment and AC power jack, SKU: CTG3188