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  The need of quick provision of ports in data center environments is fulfilled by the use of multiport cables assemblies. This is very well achieved by a optical fiber cable strand, typically with 12 individual fibers and one MPO/MTP connector at the other end providing 6 parallel communication paths and twice for 24 strand MPO cables. The quick provision is necessary in data centers between rack to rack links. Using the connectors is a ‘plug and play’ solution with already tested patch optical budget properties.   MPO (Multi-fiber Push On) connectors are representing a standard for connecting technologies. In many cases, multi-fiber connector products are referred to as MTP connectors. The MPO connector is a multi-fiber connector that is defined by IEC-61754-7, “Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7: Type MPO connector family”; and TIA-604-5-D,” Fiber Optic Connector Intermateability Standard, Type MPO”....

As the wide use of broadband services and fiber-in and copper-out development, carriers require a longer transmission reach, higher bandwidth, reliability, and lower operating expense (OPEX) on services. GPON supports many functions to meet customers needs What is GPON? GPON stands for Gigabit Passive Optical Networks. GPON is defined by ITU-T recommendation series G.984.1 through G.984.6. GPON can transport not only Ethernet, but also ATM and TDM (PSTN, ISDN, E1 and E3) traffic. Its main characteristic is the use of passive splitters in the fiber distribution network, enabling one single feeding fiber from the provider’s central office to serve multiple homes and small businesses. Gigabyte Passive Optical Networks are networks which rely on optical cables to deliver information. It is a point-to-multipoint access mechanism which enables a single feeding fiber from the network provider’s central location to serve multiple users within their homes and small businesses. What are di...

  In fiber optic cable installation, how cables are attached to the system is vital to the success of network. If done properly, optical signals would pass through the link with low attenuation and little return loss. Fiber optic pigtail offers an optimal way to joint optical fiber, which is used in 99% of single-mode applications. This post contains some basic knowledge of fiber optic pigtail, including pigtail connector types, fiber pigtail classifications, and fiber pigtail splicing methods.   Fiber Pigtail Specification Fiber optic pigtail is a fiber optic cable terminated with a factory-installed connector on one end, leaving the other end terminated. Hence the connector side can be linked to equipment and the other side melted with optical fiber cables. Fiber optic pigtail are utilized to terminate fiber optic cables via fusion or mechanical splicing. High-quality pigtail cables, coupled with correct fusion splicing practices offer the best performance possible fo...

This special fiber patch cord is a duplex multimode patch cable that has a small length of single mode fiber at the start of the transmission length. It is designed to solve the technical issue involved in using single mode equipment on the existing multimode cable plant. Mode conditioning fiber patch cord aims to drive the distance of installed fiber plant beyond its original intended applications, as well as to improve data signal quality.   Optical Mode Conditioners provide a convenient and reliable method of connecting multimode fiber plants with 1000Base- LX based transmission equipment compliant with IEEE 802.3 standards. Mode conditioners provide a method of offsetting a single-mode fiber core with a corresponding multimode fiber. This calibrated offset reduces a phenomena called differential mode dispersion, or DMD, which can cause the transmitting laser pulse to spread out and merge into neighboring pulses creating bit errors in the transmission signal.   Mode...

The biggest problems that arise from optical fiber networks are the troubles with connecting them. This is why we look for efficient methods which will help us better troubleshoot problem areas in the cables. One such product is a Visual Fault Locator.   A Visual Fault Locator is a very important part of the installation and maintenance kit of fiber optic cables. It can help us identify breaks, bends or wear of the fiber glass used in single mode or multi-mode optical fiber cables. The light used in optical fiber cables is infrared light so it’s impossible to see where the losses in the cables are happening with the naked eye. This is where VFLs come into the picture as they use light from a powerful laser source which we can use to see where the high losses are taking place in an optical fiber cable.   Fiber Continuity Testers vs. VFLs The main difference between fiber continuity testers and visual fault locators are the kind of light source they use. Fiber continu...

Polarizing filters are a magical thing! With the advent of digital photography and computerized post-processing, software is now able to recreate many of the effects that creative filters were used for in the past. However, polarizers are one of the few types of filters whose effects cannot be recreated in post-processing. Polarizers change the light coming into the camera and can do some pretty amazing things!   The most common use of polarizing filters is to remove glare from water allowing you not only to see below the surface of the water, but to enhance the overall color of images containing water. But this is far from all that a polarizer can do for you!   Purchasing a polarizing filter: The first thing you want to make sure of is that you purchase a circular polarizer (sometimes referred to as CPol) if you are just newly stepping into the world of polarizers, as opposed to a linear polarizer. Linear polarizers will cause your in-camera light meter to be unreli...

 The optical fiber connector is a device for detachable (movable) connection between an optical fiber and an optical fiber. It precisely connects the two end faces of the optical fiber so that the light energy output by the transmitting fiber can be coupled to the receiving fiber to the maximum extent. And to minimize the impact on the system due to its intervention in the optical link, which is the basic requirement of optical fiber connectors. To a certain extent, the optical fiber connector also affects the reliability and performance of the optical transmission system.   Optical fiber connectors can be divided into common silicon-based optical fiber single-mode and multi-mode connectors according to different transmission media, as well as other optical fiber connectors such as plastics as transmission media; according to the structure of the connector, it can be divided into: FC , SC, ST, LC, D4, DIN, MU , MT, etc. various forms. Among them, ST connectors are usually...

  Creativity is not a thing which has certain graphs or moves to develop, it can be considered as anything which is new and innovative, that’s why our technology has also certain thing which gives the right to be creative in any sense, because sometimes weird things make the best innovative stuff. In the support of the above context, here is a technological support to the wire system which gives the space to be creative and make innovative things and that is the polarization maintaining fiber coupler.   The PM coupler is basically used for optical signal polarization which can split the energy or combines the same for several other uses. There is an example of usage of PM coupler and that is the LED wired light which needs such transformation in separating the lights making it brighter than other.   Key Features of PM coupler   ­ Low excess loss Separation of power Isolation Insulation ­ High power handling ­ 780, 820, 980, 1064, C, L , S ban...

An abbreviated form of Coarse Wavelength Division Multiplexing, CWDM technology is a great way of creating a flexible “pay-as-you-grow” type of high capacity optical network. This technology is widely used in dual fiber applications. Once you get CWDM Mux/Demux module installed in your network, you can benefit from the added capacity without ever having to interrupt or break the existing traffic.   The Mux/Demux Module   A Mux/Demux module is made of a multiplexing unit that has the capacity of combining all eight wavelengths into a single mode fiber strand and a demultiplexing unit that has the capacity of splitting the incoming light into eight different data channels. This device gives up to 16-channel and even 18-channel multiplexing on a single fiber. A standard CWDM Mux/Demux bundle sort consists of ABS box bundle, LGX package, and 19” 1U rackmount.     Counted under the category of WDM, the main goal of using such a device is to add the extra capa...

  The cable jacket comprised with different materials based on different applications, In the United States, plastics used in the construction of plenum cable are regulated under the National Fire Protection Association standard NFPA 90A: Standard for the Installation of Air Conditioning and Ventilating Systems. All materials intended for use on wire and cables to be placed in plenum spaces are designed to meet rigorous fire safety test standards in accordance with NFPA 262 and outlined in NFPA 90A.   The following is the list of cable jacket rating:   OFNP (Optical Fiber, Nonconductive, Plenum) OFNR (Optical Fiber, Nonconductive, Riser) OFNP (optical fiber, nonconductive, plenum) are used in plenum applications. They are used inside buildings in plenum areas, the areas between a ceiling and the floor above it, where space is reserved for the circulation of air. They have the highest rated fire retardant where it emits little smoke during combustion. The nonco...

  As the data center expands, the traditional fiber optic cables can hardly meet the high requirements for networking, as they not only occupy a large room, but also make it more difficult to manage cables. In contrast, MTP cable and MPO cable provide a multi-fiber connectivity in one connector to support higher bandwidth and higher density applications, thus becoming popular. Generally, MTP/MPO cables are classified into three types: trunk cable, harness cable and conversion cable. See what they are and their applications.   Common MTP/MPO Cable Types   MTP/MPO Trunk Cable   MTP/MPO trunk cable is a cable with two MPO or MTP connectors at both ends, with nothing different from ordinary patch cables seen from outside. However, the truth is that the cable usually accommodates 12, 24, 48 and even 72 fibers, and the ends are terminated with 12-fiber or 24-fiber MTP/MPO connectors according to customer’s choice. fiber-mart.com MTP/MPO trunk cab...

  Polarization maintaining isolator which ‘at times’ is also called fiber optic isolator and polarization maintaining optical isolator. It allows and keeps light to travel in one direction only. Its prime job is to prevent back reflection and backscattering in the reverse direction, for all states of polarization. In technical terms, the device is a two-port micro-optic isolator built with PM panda fiber. The isolator is commonly used in lasers, fiber optic systems, and amplifier systems. It actually prevents feedback which is not at all required in an optical oscillator.   Some devices in which this isolator is used   PM isolator is utilized all over the world majorly in communication systems, instrumentation applications, and polarization maintaining fiber-optic amplifiers. The isolator is also used in fiber optic system testing and fiber-optic LAN system and CATV fiber optic links.   Some of the many great features of these isolators   High i...

Fused Coupler is a type of optical fiber that is used to split high power single line polarized light into multiple directions without disturbing the line at the state of polarization. This fiber is also used as a power tap to monitor signal power in a PM fiber system. A fused coupler is widely used in PM fiber interferometers, power sharing in polarization sensitive systems, and signal monitoring in PM fiber systems.   Couplers are generally divided into two categories- passive couplers and active couplers. The passive couplers are able to redistribute the optical signal without making optical to electrical conversion while active couplers electric devices used to split or combine signals electrically using a device called fiber optic detector and sources for input and output.   Based on applications, the couple has different types. So to make sure you choose the right coupler, it is crucial to know about them.  Here, we will shed light on some of the most import...

 W hether you need to extend the reach of fiber or repair a severed cable in the field, fiber splicing is a critical skill for any field tech. Here are a few useful tips to ensure your splices are done safely and effectively.   NOTE: There are two methods of fiber splicing: fusion splicing and mechanical splicing. For the purposes of this article, we will specifically discuss fusion splicing. For mechanical splicing, only the actual splice is a different process; the preparation and safety tips apply to each method.   Required Tools   Fiber fusion splicing unit Fiber cleaver Wire stripper, for removing jacket and tubing Heat shrink tubes to protect and cover the splice Cleaning supplies, including gauze and alcohol Important Tips   1. Control your environment. Only attempt the splicing process (stripping, cleaving, and splicing) on a stable flat surface. Try to control any moving air (wind or AC) to minimize the risk of losing dangerou...