Audible Tone
The unit provides an audible tone in the presence of a fiber optic signal.
Tone Detection
The F6121A OFI can detect 270Hz, 1kHz and 2kHz tones for easy fiber cable identification
Rugged Metal Case
Field-proven lightweight rugged metal housing for years of heavy use.
LED Indication
LEDs indicate tone detection, Traffic presence, Traffic Direction, and Low Battery.
Hands-Free-Operation
With an easy to use thumb lock, hands-free operation can be enabled and disabled.
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