Network Fiber Kit includes OneTouch AT 1T-3000, plus FI-1000 FiberInspectorâ„¢ USB video probe with video probe tips. A great kit for customers who need to troubleshoot fiber networks, with the ability to inspect fiber end faces - the most common cause of signal degradation in fiber networks. Includes the 1T-3000, the ultimate all-in-one Gigabit, fiber optic and Wi-Fi network troubleshooter.