What is DWDM SFP? What areas does it mainly apply to?

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Dense Wavelength Division Multiplexing (DWDM) technology is capable of transmitting data in an optical fiber using bit wavelength parallel transmission or string line transmission using the wavelength of the laser.It is widely used in different fields of communication networks, including long-distance backbone networks, metropolitan area networks (MANs), residential access networks, [ Continue reading…]


What is Power-over-Ethernet (PoE)?

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PoE DefinitionShort for Power over Ethernet, PoE is a standard that allows Ethernet cables to simultaneously transmit data and power using a single network cable. This allows system integrators and network installers to deploy powered devices in locations that lack electrical circuitry. PoE eliminates the expense of installing additional electrical [ Continue reading…]



The Transmission Principle and Application Method of 40G QSFP + SR4 Optical Module

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Now 40G network use has been very common, but many people do not know 40G optical module transmission principle and application. So today Fiberland to simple to share the cost-effective 40G QSFP + SR4 optical module transmission principle and application! 40G SR4 The QSFP + optical module is transmitted over four channels. [ Continue reading…]


What are the categories of optical modules?

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The arrival of the mobile Internet, the rise of the optical communications industry. We are inseparable from the optical communication. Fans can watch live on phone, people working outside can always talk to their parents any time, women can shop online. All of these bits and pieces of life we [ Continue reading…]


summary of 10G SFP + optical module

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As we all know, SFP + optical module because of its small size, low cost and high density and other advantages are widely used in 10G Ethernet, is the current data center, enterprise park the most common 10G optical module. Today, Fiberland will introduce some of the 10G SFP + [ Continue reading…]



XFP transceiver perform better than standard

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by www.fiber-mart.com Fiber optic cable manufacturers through the attenuation and bandwidth of the two parameters to illustrate the characteristics of the product. Although these parameters are the basis of good performance, but they still can not fully reflect the performance of cable.   Because these cables are mainly used for local [ Continue reading…]


What is the difference between an XFP transceiver and an optical transceiver?

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by www.fiber-mart.com What is an XFP transceiver? XFP transceiver (photoelectric converter) is only used for photoelectric signal conversion, and protocol converter used to convert a protocol to another XFP transceiver is a physical layer device, is the fiber optic broadband into twisted pair device , There are 10/100 / 1000M [ Continue reading…]


Is the XFP transceiver not a modem?

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by www.fiber-mart.com XFP transceivers and light cats are all photoelectric conversion products, many people are more easily confused. In fact, both from the working principle to the appearance of the existence of a big difference, it is easy to identify, the following Xiaobian for everyone to introduce the difference between the [ Continue reading…]


How to guarantee the transmission distance of the XFP module?

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by www.fiber-mart.com With the increasingly fierce competition in the optical communication market, the price of the XFP module is irregular, such as Cisco, HUAWEI, H3C, Juniper, Brocade,Extreme etc. The price of these big brand module is very high, the market capacity of third party compatible module is increasing continuously.    Second-hand XFP [ Continue reading…]


How to Test a XFP Transceiver?

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by www.fiber-mart.com After installing the XFP transceiver, testing its performance is an essential step. How to test it? You may get the answer on this article.   There are four steps in testing an XFP transceiver (As shown in the following picture), which mainly includes the transmitter testing and receiver testing. [ Continue reading…]