Single Fiber CWDM MUX and DEMUX Tutorial

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by Fiber-MART.COM In CWDM networks, bidirectional CWDM MUX DEMUX (also called dual fiber CWDM MUX DEMUX) uses the same wavelengths for transmitting and receiving. It is often used in dual way transmission applications. The working principle is easy to understand. A duplex fiber cable links two dual-fiber CWDM MUX DEMUXs supporting the [ Continue reading…]


Passive DWDM vs. Active DWDM

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by Fiber-MART.COM DWDW is short for dense wavelength division multiplexing. It is an optical multiplexing technology used to increase bandwidth over existing fiber networks. DWDM works by combining and transmitting multiple signals simultaneously at different wavelengths on the same fiber. It has revolutionized the transmission of information over long distances. DWDM [ Continue reading…]



How to Use MPO/MTP Cassettes for 10G, 40G & 100G Connectivity?

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Data centers networks are changing significantly to accommodate the drive and demand for faster access to virtualised networks and cloud computing. Fiber and particularly pre-terminated fiber is now dominant in today’s data centres and high speed networks because of bandwidth capabilities, port density, security, upgradability and ease of installation. Within [ Continue reading…]


How to Use Fiber Enclosure in Data Center

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by Fiber-MART.COM Data center fiber optic cabling becomes increasingly difficult and complex due to high fiber count and the special characteristics of optical fiber. During high density cabling, installers should not only consider about the high density and easy-to-manage requirements, but also the requirements for fiber optic cable protection and reliable [ Continue reading…]


How to Select the Suitable Copper Patch Panel?

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by Fiber-MART.COM In the data center, copper patch panel is an ideal method to create a flexible, reliable and tidy cabling system. Today, various types copper patch panels can be found in the market, such as shielded or unshielded, flat or angled, etc. So how to select the most suitable [ Continue reading…]



Optical Power Meter – an Essential Tester for Fiber Optic Testing

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by Fiber-MART.COM In fiber optic network, whether installing new cable, or troubleshooting existing cable, cable testing always plays an important role in the process. Optical power meter which is widely used for power measurement and loss testing is well known to us. Today, we are going to talk about this familiar [ Continue reading…]


Understanding OTDR Dead Zone Specifications

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by Fiber-MART.COM OTDR (Optical Time Domain Reflectometer), as one of the important fiber optic testers, is most commonly used by technicians or installers to certify the performance of new fiber optic links and detect the issues of existing fiber links. There are some specifications of an OTDR which may affect its [ Continue reading…]


Industrialization of PLC splitter chip technology

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by Fiber-MART.COM Fiber optic communication network has become the cornerstone of today’s world of information transfer. With the further development of the network and increasing market demand for communication bandwidth, the entire communication network at the part between the user’s last ten kilometers and last one kilometer are now using optical [ Continue reading…]


Name Brands vs Third-Party Transceivers: Which Do You Prefer?

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by Fiber-MART.COM You may have a name brand network switch or a name brand router, but it doesn’t mean that you need to pay an expensive cost on name brand transceivers. Though many people still get confused on “third-party transceivers”, there is no doubt that the emergence of third-party transceivers [ Continue reading…]


Cisco Optical Module Decryption Method

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by Fiber-MART.COM Cisco devices can only support Cisco brand optical module. While other brands optical modules absolutely can’t be supported.   If you obstinately plug in the other optical modules into the Cisco port, information like “Unsupport” or “Unknown” will be displayed. The log shows one or several of the following [ Continue reading…]