Archive Post for February, 2020

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The Difference Between Loose Tube Fiber and Tight Buffer Fiber

by www.fiber-mart.com Tight-buffered cables oftenn are used for intra-building, risers, general building and plenum applications. Tight buffer fiber contains a thick coating of a plastic-type material which is applied directly to the outside of each individual fiber. Loose tube fiber optic cable is typically used for outside-plant installation in aerial, [ Continue reading…]

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Planar Lightwave Circuit (PLC) Based Optic Power Splitter

by www.fiber-mart.com In a power-splitting PON, an optical power splitter is the passive device in the outside plant that physically connects to the CO with a feeder fiber. It also connects to a number of ONUs via a series of distribution fibers. In the past few years, significant improvements in [ Continue reading…]

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The Applications and Basic Settings of OTDR

by www.fiber-mart.com OTDR refers to Optical Time-Domain Reflectometer, a test instrument that analyzes the light loss in an optical fiber and verify inline splices on concatenated fiber optic cables and locate faults. If you use fiber optic cables for network connectivity, you ought to know about the applications and basic [ Continue reading…]

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Things You Should Know Before Choosing an OTDR

by www.fiber-mart.com OTDR that is short for optical time domain reflectometry, is a fiber optic tester for the characterization of optical networks that support telecommunications. It can be used to measure loss, optical return loss (ORL) and optical distance on a fiber optic link. Besides, by providing pictorial trace signatures [ Continue reading…]

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QSFP28 100G Transceivers &DAC Guide

by www.fiber-mart.com Telecom industry embraces the prosperity of 100G optics market in 2017. With such a bright future, fiber optic market attracts a wide attention, and many vendors want a piece of the pie. The 100G optics like the CFP, QSFP28 modules and cables are varied in different standards. QSFP28 [ Continue reading…]

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Introduction to 10GBASE-LR and 10GBASE-LRM SFP+

by www.fiber-mart.com Although the 40G/100G optical modules are on the very top trend for enterprise and data center for the interconnection, 10G transceiver modules are still in great demand. There are several types of 10G optical transceiver modules available for sale including the XENPAK, X2, XFP, small form-factor plable plus [ Continue reading…]

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Four Basic Elements in a WDM System

by www.fiber-mart.com We know that fiber can carry more data over long distances than any other physical medium. That makes fiber a very precious material. And how to make the most use of your fiber plant becomes a question. So there comes Wavelength Division Multiplexing (WDM).   Why Should We [ Continue reading…]

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Introduction to Semiconductor Optical Amplifier (SOA)

by www.fiber-mart.com Optical amplifier, with the introduction in 1990s, conquered the regenerator technology and opened doors to the WDM technology. It is mainly used to amplify an optical signal directly, without the need to first convert it to an electrical signal. There are many types of optical amplifiers, namely Raman [ Continue reading…]

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Why Third-party 40G QSFP+ Transceiver, Instead of OEM QSFP Module?

by www.fiber-mart.com For the data center or network upgrade, 40G network is a trending choice. Then where do you buy the 40G QSFP transceiver? Will you choose an OEM one or a third-party one? There are some differences between third-party 40G QSFP transceiver and OEM 40G QSFP transceiver, which will [ Continue reading…]

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Solutions How to Understand PoE and PoE+ Switches

by www.fiber-mart.com Power-over-Ethernet (PoE) is the technology that allows network switches to transmit power and data through an Ethernet cable at the same time. PoE switch streamlines both of the processes of powering and providing data to the device, which makes it a straightforward and reliable device for home network [ Continue reading…]

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