Fiber-Mart, worldwide leading supplier in fiber optic network, fttx, fiber cabling, fiber testing.

by Fiber-MART.COM Cisco, established in 1984, is an international reputable company providing internet solutions, equipment and software products. It is also specialized in producing transceiver modules. Transceiver modules are widely applied to wireless communication devices. Deploying a  Cisco transceiver  module for your network is a best option for Gigabit Ethernet connection or fibre channel. Cisco transceivers have many advantages.   First, Cisco transceivers are of good scalability. Scalability means the inherent or potential capacity to rise beyond eight channels on one stand, which makes organizing and managing a network more easier.   Second, it is more simple and easy for Cisco transceivers to make the configuration. Configuration is able to lead the resources being depleted when an excess amount of time is taken in carrying out the process. The resources here can be in the form of a professional at work or any other monetary expenses as well. S...

by Fiber-MART.COM With the development of technology, more and more fiber tools are available. They are used for testing at different stages of the network to meet various test requirements. These tests are used to reveal the total loss, optical return loss and fiber length, and the tests can be in a complete network or in a single fiber. Besides, the test may require further examination of the different elements of the measured link. Whether find fault in the network, or identify the characteristics of each component in the link, or locate potential problems for a fiber, all these will need to use optical time domain reflectometer (OTDR). OTDR is the ideal choice from commissioning to the optical network troubleshooting and maintenance.   OTDR  is an optoelectronic instrument used to characterize an optical fiber. An OTDR is the optical equivalent of an electronic time domain reflectometer. It injects a series of optical pulses into the fiber under test and extracts, f...

by Fiber-MART.COM As we know, fiber optical transceiver is an electronic device that receives an electrical signal, converts it into a light signal, and launches the signal into a fiber. It also receives the light signal, from another transceiver, and converts it into an electrical signal. Optical transceivers are becoming smaller, but more powerful, which makes them an important piece in server technology. It is the key component in fiber optic transmission. The basic interface of 40G QSFP+ transceiver modules are 40GBASE-LR4 and 40GBASE-SR4 in QSFP+ form factor.   40G QSFP+ Transceiver 40GBASE-LR4 QSFP+: 40GBASE-LR4 transceiver support with a link length up to 10 kilometers over 1310 nm single mode fiber, LC Connector. It is most commonly deployed between data-center or IXP sites with single mode fiber.   40GBASE-SR4 QSFP+: 40GBASE-SR4 transceivers are used in data centers to interconnect two Ethernet switches with 8 fiber parallel multimode fiber OM3/OM4 cables...

by Fiber-MART.COM Reflection The optical communications market is expanding as evidenced by growth in vendors’ revenues and margins. Moreover, companies are spending to increase manufacturing capacity and the outlook for growth is good. But some question the sustainability of this expansion.   The optical community has many participants who experienced the dot-com bust at the turn of the millennium and know firsthand the pain of over-extension.  My perspective is also shaped by that historical event. While my work today involves converting ideas to actionable plans, I was a market researcher at a well-known analyst firm before this role. I spent years defending the forecast of our market research firm, explaining how we missed that down-turn and what we had done to improve our forecasting process so it wouldn’t happen again.   Forecasting today’s market is just as challenging as it was in 2001. We are trying to estimate market performance that appears to have...

by Fiber-MART.COM Have you ever tried to plug an optic SFP+ transceiver into an SFP+ port to discover that the connection didn’t work, i.e. traffic was very slow or there was no data transmission at all? Did you manage to diagnose the problem and find a resolution? There are several possible reasons for failure. We’ve listed the five most common ones.   sfp_plus First of all, let’s briefly recap what SFP and SFP+ stand for. SFPs – short for ‘small form-factor pluggable’ – are compact, hot-pluggable devices that link networking devices, like switches, routers and servers. In this article, we focus on optic transceivers, as they’re called, which deliver 1Gbps of data across single-mode or multi-mode fibers. The SFP+ is an enhanced version of the SFP that supports data rates up to 10 Gbps. Now, the difference between SFP and SFP+ is an important one when troubleshooting: the transceivers are not always interchangeable.   TIP 1: Check whether you’re using SFP or SFP+ ...

by Fiber-MART.COM Usually when we buy SFP transceivers, we will have options with its DDM functions, so what is DDM? Obviously a SFP with DDM is high-ender than one which without DDM functions. What the DDM use for?     What’s DDM/DDM?   DDM is Digital-diagnostic-monitoring (this feature is also known as digital optical monitoring (DOM)) which provides a user with critical information concerning the status of the transmitted and received signals. This approach allows for better fault isolation and error detection.     Digital diagnostics monitor the SFP module’s temperature, receiver power, transmitter bias current, and transmitter power. Usually, the output of the physical value of each parameter is an analog voltage or current from the Trans impedance amplifier, the laser driver, or the post amplifier. Engineers use ADCs to digitize those physical values. With the digitized value, a microcontroller can then either process data as part of a c...

by Fiber-MART.COM In the last paper we discuss the "FAQ we need to know about Gigabit Ethernet Transceiver Modules", and in this paper we are going to talk atout 10Gigabit Ethernet fiber optic transceiver.   Q:What are the main types of Transceiver Module?   A:Transceiver modules are available in various form factors, and can be optical (fibre optic) or designed for copper wiring. Different transceiver modules support different data rates, from 100Base (100 Mbit/s) up to 100GbE (100 Gbit/s). There are some common types of transceiver modules as the following:     Gigabit interface converter (GBIC) : 1 Gigabit EthernetTypes of Transceiver Module   XENPAK : 10 Gigabit Ethernet   X2 : 10 Gigabit Ethernet   Small form-factor plable (SFP) : 1 Gigabit Ethernet, also known as the Mini-GBIC   Small form-factor plable (SFP+) : 10 Gigabit Small Form Factor Plable   XFP : 10 Gigabit Small Form Factor Plable (slightly...

by Fiber-MART.COM After learning more about a variety basic or conclusive knowledge of transceiver modules these days, I believe you must have a new understanding or a deeper perception on the transceiver modules. In fact, that's just a tip of iceberg. My blog will continue to bring more information about the fiber optic transceiver modules, such as SFP transceiver, SFP+ transceiver, XFP and so on. Also the other knowledge of fiber optic communication, network, telecom etc. to all of my friends who like this field and like my blog. Since we discuss so much about the theories of the transceiver modules, today, I prefer to talk about something practicle, for instance, some knowledge about installing or removing different kinds of transceiver modules.   As we know, the commonly used transceivers include the following 8 types:SFP Cisco     GBIC (Gigabit interface converter)   SFP (small form-factor plable)   SFP+   XENPAK   X2 ...

by Fiber-MART.COM Recently we met a big project that involved the network channel installation about digital optical transmission equipment, in fact, it is not so complex as the organization network ways, just we can use with SDH and downward access with switches over backbone line, but because of the SDH equipment covers all the site in the progress of construction, so it need to be solved for long distance network connections by another way. Fortunately, we have much experiences in using fiber optic transceiver, this page we will introduce the application of fiber optic transceiver in the network construction progress which combines with this experience.   1. Multimode fiber optic transceiver and multimode fiber optic cables Fiber optic transceiver is an ethernet transmission device that can exchange the light signal and electrical signal, fiber optic cables that can transfer data over network can be divided into multimode fiber optic cables and single-mode fiber optic c...

by Fiber-MART.COM Introduction   In the optical communication products, optical module occupies has a very important position. Optical transceiver module as one of the key technologies of optical fiber communication network, is widely used in synchronous optical network SONET) and Synchronous Digital Hierarchy SDH), Asynchronous Transfer Mode (ATM), Fiber Distributed Data Interface (FDDI), as well as Fast Ethernet and thousands Gigabit Ethernet and other systems.   In the present optical communication products, fiber optic transceiver module has been more popular than others, SFP GBIC module module volume ratio reduced by half, but also supports hot-swap capabilities, has been widely used. Meanwhile, in the various existing networks needed optical transceiver module types, more and more requirements are also increasing. To meet the ever increasing performance requirements of the system,Optical module continues to develop intelligent, fast and high-density interconne...

by Fiber-MART.COM In recent years, fiber optic communications network has achieved rapid development.  Optical transceiver  module as one of the key technologies of optical fiber communication network is widely used in a variety of optical communication systems. Smart SFP optical module, which uses digital diagnostic functions fiber optic sfp module, it can achieve real-time monitoring of network management unit transceiver module temperature, supply voltage, laser bias current, and optical power transmission and reception. The measurement of these parameters can help identify the location management unit fiber link failure occurs, simplify maintenance, improve system reliability. Optical modules to achieve real-time monitoring capabilities for effective life prediction module, isolation system failures, as well as to verify the correctness of the module status during the installation and commissioning of high practical value. The author based digital diagnostics, design an...