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Fs upgraded-network-in-data-center.jpg Blog

Optical Amplifier – EDFA (Erbium-doped Fiber Amplifier) for WDM System

Optical amplifiers serve as an integrated part of long haul data transmission. The most prominent feature of optical amplifier is that the device can amplify optical signal directly without the need to convert the signal into an electrical one before amplifying. EDFA (Erbium-doped Fiber Amplifier) is the one type of many different optical amplifiers that can achieve signal amplification over long-hual optical communication.Optical Amplifier BasicsWhen transmitting over long distance, the optical...
Posted on   August 13, 2019 By FS.COM
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What Is OTN — Optical Transport Network?

With the explosion of digital traffic and the ever-growing array of bandwidth-hungry applications, OTN (Optical Transport Network) evolves from point-to-point DWDM remedies to scalable and robust optical networking applications that cater to a wide variety of client signals with equally-varied service requirements. Carriers are also placing particular emphasis on OTN in the Metro area, where it is shifted rapidly from SONET/SDH to WDM (wavelength-division multiplexing). With the goal of boosting...
Posted on   October 6, 2018 By FS.COM
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FS Optical Transport Network Platform Unveiling

The explosive demand for higher bandwidth, larger capacity and longer distance transmission is driving a significant change in optical networks, which addresses a unified, stable and efficient network that can cost-effectively scale. The OTN network emerges as the ideal choice - it is gaining momentum in the market with reduced transport costs and enhanced network performance. FS newly launched the multi-service WDM transport network platform and it is built to suit the OTN system. Let’s take a ...
Posted on   September 14, 2018 By FS.COM
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Case Study: 16CH DWDM to Realize 4x10G over 460km

Our customer is going to design a long-haul 4x10G OTN network project using single mode fiber beyond 465 km, actually nearly 500 km, as shown in the following figure. Link loss is 0.3 dB on per KM. Site 1, 2 & 6 are AC powered sites. Site 3, 4 & 5 are DC Powered sites. AC and DC power are available on both DC1 & DC 2. The network switches they use include Cisco WS-C4500X-16, Cisco WS-C4500X-32, Huawei S6720-54C-EI-48S-AC, Huawei S5720-56C-EI-48S-AC, Juniper EX4550-32F. Customers' req...
Posted on   July 2, 2018 By FS.COM
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100G Muxponder for More Cost-Effective WDM Network

With the increased network requirements of individuals and enterprises, carriers are faced with unique challenge. That is, how to leverage existing and new optical networks so as to accommodate current growth and prepare for future expansion in the most effective manner? Muxponder technology, as a part of WDM technology, can maximize the fiber capacity to the extreme and meet the demands. It aggregates multiple services into a single wavelength which are then multiplexed along with other wavelen...
Posted on   July 28, 2017 By FS.COM
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Extend DWDM Network Transmission Distance With Multi-Service Transport Platform

With the features of high density, high speed and high capacity, DWDM technology has been popular in recent years. And it will still be primary technology in optical communications, especially in long haul transmission. How to realize quality DWDM networking at a low cost is an issue that attracts lots of attention. On the basis of customer needs, FS.COM released multi-service transport platform, aiming to optimize DWDM network performance. What Is FS.COM Multi-Service Transport Platform? ...
Posted on   May 9, 2017 By FS.COM
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40CH DWDM Mux Insertion Loss Testing

DWDM, which can add great capacity of bandwidth for long haul backbone data center by multiplexing different wavelengths into one fiber, is one of the dominant technology used in various applications. When purchasing a DWDM Mux Demux, one of the vital parameters that need to be considered is the insertion loss. Higher insertion loss means more investment in DWDM network deployment. This post focuses on the insertion loss testing of 40CH DWDM Mux to offer some help for your DWDM Mux Demux purchas...
Posted on   May 2, 2017 By FS.COM
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Passive DWDM vs. Active DWDM

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 can be divided into passive DWDM and active DWDM. This article will detail these two DWDM systems. Passive DWDM Passive DWDM systems have no ac...
Posted on   February 22, 2017 By FS.COM
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Single Fiber CWDM MUX and DEMUX Tutorial

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 same wavelengths installed on each end of the fiber optic network. The wavelengths of the two fibers are the same, but they are running on the different directions for duplex transm...
Posted on   January 3, 2017 By FS.COM