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clairelin بازدید : 134 جمعه 13 بهمن 1391 نظرات (0)

Optical transceiver modules permit data gets in travel via wireless network from your source to an end receiver at high-speed in fiber optic communication. Specific modules with varying bandwidth capacity and transfer speeds are available for the marketplace to make use of. MSA specified components transfer data faster than regular RF integrated circuits. This kind of transmission supplies the least possible quantity of interference. XENPAK modules are the mostly used type of optical transceivers. Modules such as these support either single or multiple modes and are available in numerous layer interfaces.

XENPAK modules adapt to The Institute of Electrical and Electronics Engineers or IEEE's ten Gigabit Ethernet standard and meets leading transceiver product specifications. Simple integration is made possible since these tools are hot-swappable meaning the devices can be on when plugging and unplugging cords cables and wires. As per transmission distance, these transceivers can convey data transfers in large quantities within a hundred meter to eighty kilometer range on standard CX4 cables. Multiple wavelengths are supported, and upgraded circuit capacity is possible without making use of reinstalling cable. Although these modules usually do not guarantee better system performance other compact form factors such as SFP modules will be more at trend.

The optical transceiver module is becoming more integrated, so the function of 10G Ethernet optical interface may be accomplished by an optical module. 10G optical modules include optical / electrical conversion, clock recovery and synchronization, multiplexing / demultiplexing, 64B/66B codec, WIS, 8B/10B encoding and decoding sub-function modules.

According to a study report shows, 10G optical modules would be the most market potential for the coming years, optical devices. Now used widely inside the 10G optical modules will be the following: 300pin, Xenpak, Xpak, X2 and XFP. Which are the first generation 300pin module, mainly used in SDH, 10G Ethernet to alter the electrical interface 16-bit interface (XSBI) may also be applied after the 10G Ethernet; Xenpak is introduced for your first generation 10G Ethernet optical modules , the usage of SFP and SFP 10G standard in the additional unit interface (XAUI) because the data path; Xpak Xenpak and X2 transceiver is definitely an improved form of the direct optical module, the amount reduced by 40%; XFP can be a compact, low-cost optical modules , somewhat just like the Gigabit Ethernet pluggable optical modules small (SFP).

Xenpak G.652 single-mode fiber at distances up to 10 km, Cisco Transceiver ideal for metropolitan area applications, is now the mainstream products 10G Ethernet ports. In addition to optical parts, the multiplexing / demultiplexing module (MUX / DEMUX) will be the Xenpak Another significant function of the internal parts, Xenpak 50% or more from the power consumption by multiplexing / demultiplexing module consumes, so Xenpak light larger the module, power consumption as well.

Xenpak module not at all hard using optical modules, optical modules can only achieve with a 10G Ethernet optical interface functions. The circuit design of the problem is in the style of high-speed data interface to XAUI, XAUI interfaces, including 8 about the rate of 3.125 Gb / s, serial, embedded differential clock lines. XAUI interface to the system directly affects the performance with the forwarding performance.

Exploring the continuous progression of optical fiber technology, you are able to rely on optical modules and all sorts of other networking merchandise to keep to determine advancements, becoming faster and better.Fiberstore supply a great deal of Xenpak transceivers that operate with copper line, multimode optical fiber line and single mode optical fiber line. Including the typical single mode Cisco XENPAK transceivers are Cisco XENPAK-10GB-LR, Xenpak-10gb-LW, Xenpak-10gb-ER, Xenpak-10gb-ZR; these transceivers operate with single mode optical fiber in addition to their working distance range from 10km to 80km max.

clairelin بازدید : 47 پنجشنبه 12 بهمن 1391 نظرات (0)

In fiber optic communication,10G Optical Ethernet interface technology lately continues to be considerable development, However, because of the expensive, 10-Gbps application doesn't, as projected on the market spread rapidly. 10-Gbps technology according to copper wire is also suffering from low port density issues due to the energy loss and crosstalk, causing its market-oriented process difficult. Within this context, the emergence of your new program. Solutions with high port density, low-cost SFP + optical transceivers for enterprise users to supply more cost-effective technology previously 10-Gbps Ethernet upgrade.

As SFP+ (enhanced small form-factor pluggable) gets to be more pervasive,we would like to realize it more and more easy.Just like its name implies, the SFP+ transceiver is an upgraded form of the small form-factor pluggable transceiver. The SFP+ Transceiver is more compact in dimensions than its predecessors, X2, XENPAK and XFP, which makes it the right solution for higher port density installations. Fiberstore give you the SFP+ transceivers are also not merely efficient, but cost effective, using a power consumption of less than 1W.

The SFP+ module can be a variant of the SFP optical transceiver. The SFP+ module form factor is 30% smaller, uses less power, requires fewer components, and it is less than the 10-Gigabit small form-factor pluggable module (XFP) form factor, that was already smaller and used less power compared to XAUI-based XENPAK and X2 form factors.

The SFP+ form factor significantly simplifies the functionality of the 10G optical module by moving such functions as clock and data recovery (CDR), electronic dispersion compensation (EDC), 10G SERDES, and signal conditioning that traditionally resided in the XAUI-based modules into 10GbE PHY devices and line cards. Because of this, the modules are smaller, consume less power, and allow increased port density while being less than XFP. Some products on the market now provide 48 ports or maybe more inside a rack.

Each SFP+ module houses an optical transmitter and receiver. One end with the module is surely an SERDES framer interface (SFI) serial interconnect, which handles differential signals approximately 10 Gbits/s. One other end is surely an optical connection that matches the 10GbE and 8GFC standards. The SFP+ active cable has electrical input and outputs by having an optical transmitter and receiver internal to the cable. Active cables with SFP+ terminations also can be copper-based with integrated pre-emphasis and equalization.

SFP+ or SFP + transceivers are used for very fast 10Gigabit Ethernet, linking the gear to fiber optic networks. This products include active SFP+ cables and SFP+ transceivers. Addititionally there is copper SFP+ offered by Cisco. SFP+ is by far the littlest size 10G transceiver; it's much lighter weight reducing power consumption compared with former 10G transceivers X2 and XENPAK. The Cisco 10GBASE SFP+ modules offer customers numerous 10 Gigabit Ethernet connectivity selections for data center, enterprise wiring closet, and repair provider transport applications.SFP+ module is a next-generation transceiver module per the ANSI T11 Group for 8.5 Gbps and 10Gbps Fiber Channel and Ethernet applications.

FiberStore manufactures complete selection of compatible fiber transceivers, such us SFP+ (SFP +) transceiver, X2 transceiver, XENPAK transceiver, XFP transceiver, SFP (Mini GBIC) transceiver and GBIC transceiver, CWDM/DWDM transceiver, PON transceiver, and compatible Cisco, HP, Juniper, Nortel, Force10, D-link, 3Com, and backed by way of a lifetime warranty.Choose the fiber optic transceivers in fiberstore.com with confidence.

clairelin بازدید : 48 پنجشنبه 12 بهمن 1391 نظرات (0)

In fiber optic communication,10G Optical Ethernet interface technology lately continues to be considerable development, However, because of the expensive, 10-Gbps application doesn't, as projected on the market spread rapidly. 10-Gbps technology according to copper wire is also suffering from low port density issues due to the energy loss and crosstalk, causing its market-oriented process difficult. Within this context, the emergence of your new program. Solutions with high port density, low-cost SFP + optical transceivers for enterprise users to supply more cost-effective technology previously 10-Gbps Ethernet upgrade.

As SFP+ (enhanced small form-factor pluggable) gets to be more pervasive,we would like to realize it more and more easy.Just like its name implies, the SFP+ transceiver is an upgraded form of the small form-factor pluggable transceiver. The SFP+ Transceiver is more compact in dimensions than its predecessors, X2, XENPAK and XFP, which makes it the right solution for higher port density installations. Fiberstore give you the SFP+ transceivers are also not merely efficient, but cost effective, using a power consumption of less than 1W.

The SFP+ module can be a variant of the SFP optical transceiver. The SFP+ module form factor is 30% smaller, uses less power, requires fewer components, and it is less than the 10-Gigabit small form-factor pluggable module (XFP) form factor, that was already smaller and used less power compared to XAUI-based XENPAK and X2 form factors.

The SFP+ form factor significantly simplifies the functionality of the 10G optical module by moving such functions as clock and data recovery (CDR), electronic dispersion compensation (EDC), 10G SERDES, and signal conditioning that traditionally resided in the XAUI-based modules into 10GbE PHY devices and line cards. Because of this, the modules are smaller, consume less power, and allow increased port density while being less than XFP. Some products on the market now provide 48 ports or maybe more inside a rack.

Each SFP+ module houses an optical transmitter and receiver. One end with the module is surely an SERDES framer interface (SFI) serial interconnect, which handles differential signals approximately 10 Gbits/s. One other end is surely an optical connection that matches the 10GbE and 8GFC standards. The SFP+ active cable has electrical input and outputs by having an optical transmitter and receiver internal to the cable. Active cables with SFP+ terminations also can be copper-based with integrated pre-emphasis and equalization.

SFP+ or SFP + transceivers are used for very fast 10Gigabit Ethernet, linking the gear to fiber optic networks. This products include active SFP+ cables and SFP+ transceivers. Addititionally there is copper SFP+ offered by Cisco. SFP+ is by far the littlest size 10G transceiver; it's much lighter weight reducing power consumption compared with former 10G transceivers X2 and XENPAK. The Cisco 10GBASE SFP+ modules offer customers numerous 10 Gigabit Ethernet connectivity selections for data center, enterprise wiring closet, and repair provider transport applications.SFP+ module is a next-generation transceiver module per the ANSI T11 Group for 8.5 Gbps and 10Gbps Fiber Channel and Ethernet applications.

FiberStore manufactures complete selection of compatible fiber transceivers, such us SFP+ (SFP +) transceiver, X2 transceiver, XENPAK transceiver, XFP transceiver, SFP (Mini GBIC) transceiver and GBIC transceiver, CWDM/DWDM transceiver, PON transceiver, and compatible Cisco, HP, Juniper, Nortel, Force10, D-link, 3Com, and backed by way of a lifetime warranty.Choose the fiber optic transceivers in fiberstore.com with confidence.

clairelin بازدید : 52 پنجشنبه 12 بهمن 1391 نظرات (0)

What exactly is XFP transceiver principle ? Fiberstore XFP module is hot-swappable and protocol-independent. XFP (10 Gigabit Small Form Factor Pluggable) can be a standard for transceivers for high-speed computer network and telecommunication links which use optical fiber. They sometimes operate at near-infrared wavelengths (colors) of 850 nm, 1310 nm or 1550 nm. Principal applications include 10 Gigabit Ethernet, 10 Gbit/s Fibre Channel, Synchronous optical networking (SONET) at OC-192 rates, Synchronous optical networking STM-64, 10 Gbit/s Optical Transport Network (OTN) OTU-2, and parallel optics links. They can operate over a single wavelength or use dense wavelength-division multiplexing techniques.Juniper XFP is one of the famous xfp transceiver brand.

The XFP transceiver will be the smallest X module, to a certain degree as it removed a lot of electronics, the cost of the transfer towards the host line card. Interestingly, in accordance with the design, XFP supports data rates of telecommunications protocols, that makes it an Ethernet packet routing platforms and SONET / SDH, Resilient Packet Ring (RPR) ideal interface module.

XFP transceivers commercially ready available in the market now include the the SR, LR, ER and ZR.XFP SR working distance is 300 meters max, it really works with OM3 10GB multimode optical fiber. The other 3 types use single mode fiber, XFP LR max distance is 10km, XFP ER is 40km, and XFP ZR max working span is 80km via SMF.

To learn the XFP transceiver,you must learn what's 10G XFP transceiver? 10G XFP transceiver can be a small form factor hot pluggable module made for 10G network applications including 10Gig Ethernet and fiber channel.XFP transceiver is really a high performance, affordable modules for serial optical data communications applications specified for signal rates of 10.30 Gb/s to 11.3 Gb/s. It's fully compliant to XFP MSA Rev 4.5. The modules are prepared for single mode fiber and operates with a nominal wavelength of 850/1310/1550 nm. XFP transceivers modules comply with the XFP multi source agreement put together by several leading companies in this industry.

10G XFP transceivers are made based on based on the multi source agreement (MSA) and has lightweight and most economic prices in comparison with its former 10g transceivers. The transmitter section incorporates uncooled directly modulated 1310 nm distributed feedback laser (DFB) or EML colled laser 1550nm. The receiver section uses PIN photodetector for low dark current and ideal responsivity or APD high sensetivity receiver. Typical 10g XFP on the market include SR, LR, ER, ZR versions.

Fiberstore supply XFP MM 300m, XFP 10km, XFP 20km, XFP 40km, XFP 80km(10GBase-zr xfp 80km), XFP 120km, CWDM XFP, DWDM XFP, WDM XFP, BiDi XFP, single fiber XFP, and number of compatible XFP transceivers for example Cisco XFP, 3Com XFP, Juniper XFP, Foundry XFP, Extreme XFP, Dell XFP, Finisar XFP plus more.FiberStore produce and stock for a full-range of fiber transceiver.Welcome to Fiberstore.com order the fiber optic products.

clairelin بازدید : 54 چهارشنبه 11 بهمن 1391 نظرات (0)

Fiber optic communication is true not only in a corner lines of communication, also can play a role in the ability communication control system, industrial monitoring and control, now inside the military will also be traditionally used, an increasing demand for the amount of information according to various fields, optical fiber communication technology trends concern. An entire fiber link from the impact from the quality of the fiber itself, according to your website from the construction process and also the environment of the fiber link.In 2013, the development of the optical fiber industry will continue, increasing numbers of people concentrate on fiber optic products.

FiberStore is definitely an professional manufacturer & supplier of fiber transceiver. It gives you professional tech support and high-quality products.Fiberstore is the star with the fiber optic communications industry.For example,fiberstore supply the full range of fiber transceiver,for example Cisco X2 Transceiver.

Fiberstore X2 transceiver is really a hot pluggable in the Z-direction module that's usable in typical router line card applications, Storage, IP network and LAN and compliant to X2 MSA.And it made for 10Gbps applications.The 10GB X2 modules offer customers a wide variety of 10 Gigabit Ethernet connectivity choices for data center, enterprise wiring closet, and service provider transport applications.

Cisco X2 Transceiver has got the 10G fiber optic transceiver, its development took it's origin from former Xenpak standards, X2 10Gb transceiver inner function is practically similar with Xenpak, and X2 may also utilize one transceiver to fulfill all 10G Ethernet optical port function. X2 transceiver is about half sized Xenpak, this enable it suit for density installations.X2 transceivers are fully compliant to IEEE 802.3ae standard for Ethernet and also the 10GFC Rev. 4 Fiber Channel standard, making it ideally fitted to 10 GbE datacom and storage area network (SAN / NAS).

Fiberstore 10G X2 transceiver can be a highly integrated, serial optical transceiver module for high-speed, 10Gbit/s data transmission applications. 10G X2 is a standardized form factor for 10 Gb/s fiber optic transponders utilized for data transfer rates from 10.3 Gb/s to 10.5 Gb/s. It is protocol-specific: Either 10G Ethernet or 10G Fibre Channel versions are available. X2 transponders are employed in datacom optical links only (not telecom), and they're smaller than old generation XENPAK transponders. Its electrical interface towards the host board can also be standardized and is called XAUI (4 x 3.125 Gb/s).

10Gbps Ethernet standards were defined by IEEE in 2002, it not merely enlarges the info transmission rate, nevertheless it has greater working distance. IEEE 802.3ae 10G Ethernet standard defined the running distance from 300 meters to 40km. We feature the X2 10G fiber optic transceivers which can be fully compatible with equipment off their suppliers.

We manufacture 10GBase-er x2,10GBase-sr x2, 10GBase-lr x2, 10GBase-zr x2,10G X2 modules and several other hot compatible X2 transceivers such as Cisco X2, HP X2, Finisar X2 Transceivers, which are 100% compatibility and economical price.In order to have some fiber transceivers,thanks for visiting fiberstore.com . We stock for any full range of fiber optic transceiver waiting for the transaction.

clairelin بازدید : 38 سه شنبه 10 بهمن 1391 نظرات (0)

Fiberstore focuses on fiber optic products and fiber optic networking devices manufacturing. Fiberstore designs, manufacture and market a diverse range of powerful fiber optic products for the optical networking equipment market.Such as fiber optic transceivers, we have provide the XFP,X2,XENPAK,GBIC,SFP transceiver ect.

X2 transceiver may be the 10G fiber transceiver, its development was based on former XENPAK standards, X2 10Gb transceiver inner function is nearly similar with XENPAK, and X2 can also play one transceiver to satisfy all 10G Ethernet optical port function. X2 transceiver is about half size of XENPAK, this enable it suit for density installations.And fiberstore provide you with the transceivers possess some big brands.As an example,the Cisco 10GBASE Transceiver modules offer customers numerous 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and repair provider transport applications.

Now,we look at the Cisco 10GBASE Transceiver modules,the information with cisco types transceivers we know much more about that.Cisco DS-X2-FC10G-SR Compatible 10GBase-SR X2 Transceiver Module,as well as the 10GBase-SR X2 is powerful, cost effective X2 transceiver like SFP plus module supporting 300M transmission distance within the 10GBASE-SR/SW Ethernet, also, this is a fully integrated 10.3Gbit/s optical transceiver module that includes a 10.3Gbit/s optical transmitter and receiver, XAUI interface, Mux and Demux with clock and data recovery(CDR).

FiberStore 10G XENPAK transceiver are multi-purpose optical modules for 10Gbit/s data transmission applications at 850nm,1310nm and 1550nm. Fiberstore industry-standard Cisco XENPAK-10GB-ZR is often a hot-swappable input/output device that plugs into a Gigabit Ethernet slot, linking the main harbour with all the fiber-optic network. Increase efficiency of your respective network with Cisco compatible GBIC and GLC optic module upgrades.Fiberstore Now stocks an entire type of both Cisco original and Websites Cisco compatible optic modules. Within our continuous efforts to build the top quantity of customer care, the Cisco XENPAK-10GB-ZR may be shipped from stock very fast.

Cisco DS-X2-FC10G-SR vs XENPAK-10GB-ZR transceiver specs:


Interface (Bus) Type: Plug-in module
Connectivity Technology: Wired
Application: 10GBASE-SR,10GBASE-ZR
Data Transfer Rate: 10Gbps
Wavelength: 850nm,1550nm
Max Distance: 300m,80km
Fiber Type: MMF,SMF
Connector: DuplexSC
DDM: With DDM
Operating Temperature: 0~70 °C
Compliant with MSA X2 Specification,Compliant with MSA XENPAK Specification

Fiberstore offers the transceiver handy, tested, and ready to ship from warehouse, these modules are 100% Cisco compatible is really superb prices.We guarantee transceivers to operate in your metabolism causing all of our transceivers come with a lifetime advance replacement warranty.

clairelin بازدید : 39 سه شنبه 10 بهمن 1391 نظرات (0)

From the Internet,we all know some information about fiber optic communication so we know that increasingly more crucial in life. So we must to know more info in fiber optic.CWDM(Coarse Wavelength Division Multiplexing) is really a low-cost WDM transmission technology for metro access layer. Principle, CWDM is the use of the optical multiplexer to various wavelengths of light signals multiplexed with a single optical fiber for transmission, in the receiving end of the link, using the optical demultiplexer fiber mixed signal is decomposed into different wavelengths signal, connected to the respective receiving apparatus.The real difference is always that using the DWDM: 0.2nm to a single.2nm wavelength interval with regards to the DWDM system is concerned, CWDM includes a wider wavelength interval, a accepted standards wavelength intervals of 20 nm.

CWDM wavelength interval width, the technical requirements from the laser. Because the wavelength interval of 20nm, the utmost wavelength shift with the system approximately -6.5 ℃~ 6.5 ℃, the precision of the laser emission wavelength could be relaxed to ±3nm, and the operating temperature range (-5 ℃ ~ 70 ℃), the temperature change induced wavelength drift continues to be inside allowable range, the laser without temperature control mechanism, therefore the structure from the laser is greatly simplified as well as the yield is increased.

Additionally, a sizable wavelength interval signifies that the optical multiplexer / demultiplexer structure is greatly simplified. As an example, a CWDM system filter coating Floors could be reduced to around 50 layers, and the the DWDM systems 100GHz filter coating Floors of around 150 layers, which results in increased yield, cost reduction, and the supplier from the filter is greatly increased pro-competitive. CWDM filter of cost than DWDM filter is cheaper than 50%, the Moreover, using the automated production technology and also the almost all the growth will probably be further reduced.

CWDM multiplexer technology, the largest concern is still not obvious cost advantage in accordance with the DWDM equipment. Optical transceiver modules and optical devices is paramount to reducing costs. However, due to the small market, suppliers shipments, and so the device cost advantage isn't obvious. Further, a technique for reducing price is to simplify the unit function, this process leads to reduced system reliability and manageability. The DWDM product prices continue to lower to the CWDM technology a lot of pressure, and can form an entire metro DWDM network using DWDM technology, scalability, and the pressure of CWDM.

The quantity of the CWDM device supports optical channel (wavelength) is not a lot more than 8, E-band optical transceiver module manufacturing process isn't yet ripe, In addition, the elimination of the lake absorption peak G.652C optic cable in existing network applications less E-band optical transceiver module market demand. The bigger rate and farther transmission distance CWDM system you can still find many technical problems. 10G system dispersion, ultra-broadband optical amplification technology. In addition, the standardization process needs to be accelerated, specially the to want operators boot service interface function. Therefore, we also launched DWDM 100g/200g Module to your choice.

clairelin بازدید : 40 دوشنبه 09 بهمن 1391 نظرات (0)

With all the introduction from the fiber optic communication industry by the challenges from the growing need for bandwidth and speed requirements. These requirements make the present limitations of the numerous kinds of communication systems are more prominent. Produce a new technology, which may solve the task faced by the communications industry.

DWDM system bandwidth demand brought about produce.

Suppliers that have how to effectively handle a definite boost in the request using a worried frown. The continual improvement from the optical fiber technologies have partially alleviated pressure on suppliers, also to open new regions of data and voice transmission, but as a result of incompatibility of numerous formats, in order that the optical fiber must be strictly tied to just one format . For those who desire to involve plenty of system suppliers, expensive new fiber is the reason a sizable share from the cost. So, just about the most promising program that specifically address high-speed DWDM technology (Dense Wavelength Division Multiplexing) came into being.

DWDM Mux module is really a technology that puts data from different sources together by using an optical fiber, with each and every signal carried concurrently alone separate light wavelength. Using DWDM, approximately 80 (and theoretically more) separate wavelengths or channels of knowledge could be multiplexed right into a lightstream transmitted on one optical fiber. Each channel includes a time division multiplexed (TDM) signal. In a system with every channel carrying 2.5 Gbps (billion bits per second), up to 200 billion bits can be delivered another by the optical fiber. DWDM can be sometimes called wave division multiplexing (WDM).

Since each channel is demultiplexed at the conclusion of the transmission back into the original source, different data formats being transmitted at different data rates may be transmitted together. Specifically, Internet (IP) data, Synchronous Optical Network data (SONET), and asynchronous transfer mode (ATM) data can all be travelling at the same time inside optical fiber.

Present DWDM key technologies are already basically mature Gb / s level system may be traditionally used commercial Tb / s-class system is also being planned. DWDM technology reflects the next trends. The first is the continued growth of the machine transmission capacity, the program to get the growth of transmission capacity by improving channel rate, increasing the variety of multiplexed wavelengths, the widening of the application wavelength range.

DWDM because of the presence of noise, jitter, signal decay effectively test the propagation of high data rate communications system is becoming more and more difficult, which issues will lead to a large number of error. As well as the efficiency and adaptability will have their very own, DWDM still faces many of the high-speed test.

DWDM promises to solve the "fiber exhaust" problem and is also likely to be the central technology within the all-optical networks for the future.

Which DWDM information you like?Or not, the ways to access another information with DWDM at fiberstore.com. Buy DWDM Mux module and DWDM DeMux module from fiber optic products worldwide online store with full confidence.

clairelin بازدید : 54 دوشنبه 09 بهمن 1391 نظرات (0)

Recently with the introduction of multimedia communication and also the wide use of computer systems, the area of knowledge exchange range growing network communication capacity elevated significantly, thus growing the telecommunications network capacity has become progressively important. The optical fiber of the most basic feature may be the large capacity, and may transmit high rate digital signals. Thus, the fiber optic communication is just about the trend of the introduction of the telecommunications industry later on.

WDM systems are well-liked by telecommunications companies simply because they permit them to expand the capability from the network without lounging more fiber. By utilizing WDM and optical amps, they are able to accommodate several decades of technology rise in their optical infrastructure without needing to overhaul the backbone network. Capacity of the given link could be broadened by simply upgrades towards the multiplexers and demultiplexers each and every finish.

This really is frequently made by utilization of optical-to-electrical-to-optical (O/E/O) translation in the very fringe of the transport network, thus enabling interoperation with existing equipment with optical connects.

WDM systems are split into different wavelength designs, conventional/coarse (CWDM) and dense (DWDM).Now, I'll introduct the CWDM modules in the following paragraphs.

Coarse wavelength division multiplexing (CWDM) is a technique of mixing multiple signals on lasers at various wavelengths for transmission along fiber optic cables, so that the amount of channels is less compared to dense wavelength division multiplexing (DWDM) but a lot more than in standard wavelength division multiplexing (WDM).

CWDM systems have channels at wavelengths spread 20 nanometers (nm) apart, in comparison with .4 nm spacing for DWDM. This enables using low-cost, uncooled lasers for CWDM. Inside a typical CWDM system, laser pollutants occur on eight channels at eight defined wavelengths: 1610 nm, 1590 nm, 1570 nm, 1550 nm, 1530 nm, 1510 nm, 1490 nm, and 1470 nm. But as much as 18 different channels are permitted, with wavelengths varying lower to 1270 nm.

The power in the lasers inside a CWDM product is disseminate on the bigger selection of wavelengths than may be the energy in the lasers inside a DWDM system. The tolerance (extent of wavelength imprecision or variability) inside a CWDM laser can be ± 3 nm, whereas inside a DWDM laser the tolerance is a lot tight. Due to using lasers with lower precision, a CWDM product is less costly and consumes less energy than the usual DWDM system. However, the utmost realizable distance between nodes is more compact with CWDM.

CWDM Mux/Demux module- CWDM MUX and CWDM Demux are made to multiplex multiple CWDM channels into a couple of materials. The core of CWDM module application may be the passive MUX/DEMUX unit. The most popular configuration is 1x4, 1x8, 1x16 channels. Obtainable in 19" Rack Mount or LGX module package. Optional wide band port for existing 1310nm or 1550nm port can be obtained to multiplex with one of these CWDM Channels. Along with our CWDM Transceiver series or even the wavelength ripper tools series, the bandwidth from the fiber may be used in an inexpensive way.The CWDM module features wide funnel bandwidth (13nm). Its isolation is more than 30dB for adjacent channels, and more than 40dB for non-adjacent channels. The module also offers high thermal stability to make sure reliable performance under different atmosphere.

Fiberstore has a myriad of fiber optic items,we offer the entire selection of WDM systems.If you wish to learn more WDM systems,or else you have questions in CWDM module,thanks for visiting e mail us via sales@fiberstore.com .I really hope that will help you.

clairelin بازدید : 42 پنجشنبه 05 بهمن 1391 نظرات (0)

From Fiberstore.com, we are able to locate a quantity of fiber optic products including several types of fiber optic transceivers. XFP transceivers are one of our promotional products which include stable quality, cheap prices, fast delivery and 100% compatibility for many famous labels.

The XFP transceivers are prepared for 10G network applications, including 10G Ethernet. The conventional for developing these was created by a few from the leading manufacturers in the field. Basic to look after and change, they are also small hot pluggable. This module is required along with laser multimode fibers.

10G XFP Transceiver is a typical 10G transceiver module that developed recently since the new generation of 10G solutions. The 10G Ethernet increased the data rate by Ten times than gigabit Ethernet and the working distance also enlarged a lot compared with before. 10G fiber optic transceivers are equipped for 10G 10Gbit/s data transmission applications including 10 Gigabit Ethernet, 10 Gbit/s Fiber Channel, Synchronous optical networking. 10G transceivers series mainly includes XFP Transceiver, SFP Transceiver, XENPAK Transceiver and X2 Transceiver, all of which are provided with superior quality and competitive price by Fiberstore Technology. In this article, I'll mainly introduce the basic product facts about our featured products - XFP Transceivers series which include 10G XFP. The XFP transceiver module connects the electrical circuitry from the system using the optical network with 10Gigbit data rate.

In line with the Cisco official website, Cisco XFP are used for 10Gigabit Ethernet and related 10G applications, the XFP Transceivers are hot swappable I/O devices to plugs inside the ports or slots around the 10G ports and link these ports to optical fiber networks. The Cisco XFP Module offers customers a number of 10 Gigabit Ethernet and Packet-over-SONET/SDH (POS)connectivity choices for data center, enterprise wiring closet, and service provider transport applications.

At Fiberstore, we provide the Cisco 10G XFP includes XFP-10G-MM-SR,XFP-10GLR-OC192SR,XFP-10GER-OC192IR,XFP-10GZR-OC192LR,XFP-10GZR-120 and so on. However nowadays,I'll only highlight the XFP-10GER-OC192IR.Would you be thinking about 10G XFP Transceiver?

The Cisco XFP-10GER-OC192IR includes an optical transmitter and receiver pair integrated with Clock and knowledge Recovery (CDR) integrated circuits. The XFPs provide high-speed serial links in the following rates: 9.95 Gbps (OC-192) and 10.3125 Gbps (10 Gigabit Ethernet) on single mode fibers. The transmit side recovers and retimes the ten Gbps serial data and passes it to a laser driver. The laser driver biases and modulates a 1310 nm or 1550 nm laser, enabling data transmission over SMF via an LC connector. The receive side recovers and retimes the ten Gbps optical data stream from the photo detector trans impedance amplifier and passes it to an output driver.

All of our XFP transceivers are 100% appropriate for famous labels like Cisco, HP, Juniper XFP, Nortel, Force10, D-link, 3Com, and backed with a lifetime warranty. Buy with full confidence. We can customize optical transceivers to suit your specific requirements. Call us via sales@fiberstore.com or our website if you cannot get the item that you simply need.We're thrilled to be capable of help you.

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