1：Fiber optic identifiers can quickly identify the direction of the transmission fiber and display the relative core power without damaging the fiber or damaging the network.
2：The active fiber optic recognizer can accurately identify the direction of the fiber optic. When the fiber optic has a signal, the left and right turn signals indicate the direction of the signal. When the left turn signal is on, it indicates that the light source is from right to left..
3：High quality multiple fixtures can be used for four types of optical fibers: 3MM 2MM 900um 250um
4：Identification signal frequency: 2KHz, 1KHz, 270Hz, wavelength range 800-1700nm.
5：Built in visual fault locator 10km, Red light test wavelength 650nm ± 10nm。
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