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Section 1. Introduction
920XC-13A • 920XC-15A • 920XC-20C Instruction Manual
All manuals and user guides at all-guides.com
Greenlee's 920XC handheld OTDRs can make an assessment of one single optical fiber or a whole
optical fiber chain. In addition, the user can directly observe loss and events distribution of an
optical fiber chain.
The 920XC tools check the transmission quality of optical fiber through the measurement of
backscatter. Standard organizations like the International Telecom Union (ITU) define backscatter
as an effective analysis means to measure optical fiber loss. Backscattering is also the only
effective way of connector inspection, which can be applied to measure the length of optical fiber.
The 920XC OTDRs operate by reviewing events in optical fiber (for example, irregularities and
connectors). These tools can help identify irregularities in optical fiber, locate them, and measure
their attenuation, relevant loss, and homogeneity.
These tools are easy-to-use, small, and compact with large LCD displays and graphical interfaces.
They can save and transfer the measurement curves data to a PC by using the provided Trace
Viewer.software.for.further.analyzing,.reporting,.and.printing.
Basic applications:
•
Measure the length of optical fiber and cable.
•
Measure the distance between two points on optical fiber and cable.
•
Locate faults and ruptures of optical fiber and cable.
•
Display distribution curve of optical fiber and cable loss.
•
Measure attenuation coefficient of optical fiber and cable.
•
Measure loss between two points on optical fiber and cable.
•
Measure.loss.of.tie-ins.
•
Measure reflection of reflection events of optical fiber and cable.
For a specific event (transmission quality changed due to faults caused by fusion splicing,
connector, bending, etc.), the following measurements can be carried out:
•
For each event: Distance, loss, and reflection.
•
For each section of optical fiber: Length and loss of dB or dB/unit length.
•
For the whole optical fiber chain: Length and loss of dB.
Additional features:
•
Large LCD display with auto or manual adjustment of contrast.
•
Backlight LCD display supports night operation.
•
Easy operation with trace graphic display.
•
Trace.storage.function.
•
RS-232.and.USB.data.upload.ports.
•
Trace Viewer software for analyzing and reporting previously stored data.
•
Auto off function to conserve battery life.
•
DC/AC power supply.
•
Auto.recharging.
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