GENERAL This manual describes the operation of the VOLT (Visual Optical Length Tester). The VOLT is designed to measure the length of single mode and multi-mode fibers. It uses a “round robin” technique for fiber measurement; i.e. it loops back two fibers in the same fiber cable with a patch cord.
PRECAUTIONS Safety. Extreme caution must be exercised when operating the VOLT. It produces an ultra-bright beam of red light that can cause permanent damage to the eye with prolonged exposure. NEVER LOOK INTO A LIGHT SOURCE OR THE END OF A FIBER THAT MAY BE ENERGIZED BY A SOURCE! Whenever possible, follow these safety tips when operating the VOLT: Do NOT look directly at the beam of light.
APPLICATIONS Fiber Length Measurement. The VOLT uses a “round robin” method of length measurement. This method requires two fibers from the same fiber cable to be looped back at one end with a patch cord. Light is injected into one of the fibers by the transmitter and is received by the detector connected to the other fiber.
NOTE: If the green indicator LED does not light up, this means that the battery power insufficient for a valid test. The battery must be replaced before continuing. Fiber Link TEST Output Input Distance in Kilometers 1.250 Patch Visual Optical Length Tester V.O.L.T.
fiber. Identify the fiber by looking for the flashing red light emitting from the connector. NEVER LOOK INTO A LIGHT SOURCE OR THE END OF A FIBER THAT MAY BE ENERGIZED BY A SOURCE! Fiber Link TEST Output Input Distance in Kilometers - - - - Patch Visual Optical Length Tester...
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Figure 3. Power ON the VOLT to visual fault location mode by flipping the switch to the right. The display will show a series of hyphens to indicate fault location mode. If there is a fault in the fiber, red light will appear as a red glow through the fiber jacket.
The serial number and model number can be found on the back of the unit, as well as the laser source information. Optical Wavelength Laboratories Whitewater, WI 53190 (262) 473-0643 MODEL# VOLT-1 SERIAL# VTxxxxx MADE IN USA DATE: 11/27/01 POWER: 9V DC...
CONVERSION FACTORS The VOLT displays fiber length in kilometers. At times it may be necessary to convert the fiber length to a different unit of measurement. The table below provides conversion factors for various units of measurement. To calculate the units you need, multiply the number on the VOLT display by the conversion factor listed in the table below: 1 kilometer 1000 meters...
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