Test and troubleshoot fiber optic links in networks or devices. Loopbacks "loop back" the signals from the transmit to the receive pairs. Use to locate faults. Features a ceramic ferrule.

• Test and troubleshoot fiber optic links in networks or devices.
• Loopbacks "loop back" the signals from the transmit to the receive pairs.
• Use to locate faults.
• Features a ceramic ferrule.
• Guaranteed for life!