Popular Posts

Sep 8, 2013

SFP+ module will remain rather than the module implementation

SFP package – hot little package module, the highest rate of up to 10G, is mostly used with LC interfaces. SFP+ is abbreviation of Small Form Pluggable, which can be simply considered as an upgraded version of GBIC. SFP module has half volume of GBIC, only the size of a thumb. It can be configured on the same panel, more than double the number of ports. SFP module has the same other basic functions as GBIC. Some switch vendors said the SFP+ module is mini GBIC.Many people do not know the difference between SFP and SFP+. This sometimes caused unnecessary trouble. 10G module has gone from 300Pin, XENPAK, X2, XFP development, and ultimately with the same size and SFP 10G transmission signal, which is the SFP+. SFP with its Gen8 compact low cost advantages to meet the equipment needs of high-density optical modules, implemented from 2002 standard to 2010 has replaced 10G XFP and become the mainstream of market.We supply Cisco SFP+ equivalent transceivers, typical products are the Cisco SFP 10G SR and Cisco SFP 10G LR, both transceivers are fiber optic type, SR SFP+ work with multimode fiber 850nm, LR SFP+ work with single mode fiber 1310nm, SR SFP+ bear beige color with max 300 meters working distance, LR bear blue color with max 10km working distance. Our Cisco SFP+ equivalent are equal performance but much more competitive prices. We have these products in stock for immediate delivery for small quantity requirement, even for big quantity the delivery could be fast.

Sep 6, 2013

InfiniBand QSFP Ethernet applications

The cable usually can not be twisted for proper channel to channel alignment. Electrical connection is achieved though a z-pluggable 38-pin IPASSR connector. The module operates by a single +3.3V power supply. LVCMOS/LVTTL global control signals, such as Module Present, Reset, Interrupt and Low Power Mode, are available with the modules. Pluggable QSFP serial interface is available to send and receive more complex control signals, and to receive digital diagnostic information. Individual channels can be addressed and unused channels can be shut down for maximum design flexibility.

Sep 5, 2013

Because Fibre optic cable use light there is no way for RF waves

Ramchandran’s and Willner’s unique approach uses a combination of both these strategies and packs several colours into each mode. Their specially designed fibre optic cables also allow four modes whereas existing cables only have two and can carry a data stream which even remains separate at the receiving end. In their experiment which was published in Science paper, Ramachandran and Willner showed that they could send data via a one kilometre long single-mode Fibre optic cable using 10 different colours which yielded a 1.6 terabits per second transfer rates; equal to 8 Blu-Ray DVDs every second.These are unwanted waves of energy that bleed into the siginal of your cable.  This happens becuase of the copper inside the cable.  Noise can cause interference,  distortion, or even loss of siginal.  Because Fibre optic cable use light there is no way for RF waves to interfere with your siginal.  Also because Fibre optic cable use light they are future proof.  HDMI right now can do 1080p,  whats in store for 5 years from now?  1080p will be obsolete and if you used hdmi or cat 5 to wire you home you  widely used will be kicking yourself later on.  Once again since fiber uses light the unlimited bandwith can support resolutions that we dont even know yet.  Scientists have been trying to find limititations on fiber since it has came out and have had no success.  Its the perfect cable to wire your home with for video switching.

Sep 4, 2013

They have been around since Fibre optic cable are not new

Traditional Fibre optic cable propagate light along straight lines, however this new technology focuses of sending beams of light in a donut shape laser light beam called optical vortices which twists like a tornado as it moves along the Compatible Fiber Optic Cable.Optical vortices, also known as Orbital Angular Momentum (OAM) beams are nothing new and have been studied in depth in atomic physics, quantum optics and even molecular biology. OAM beams were thought to be unstable inside a fibre optic cable, however a new research paper published by BU Engineering Professor Siddharth Ramachandran along with USC’s Alan Willner demonstrated that not only could these beams be made stable inside a fibre optic cable but could potentially be used to boost internet bandwidth.In the Specification custom A/V world there are always people trying to think outside the box.  Current technology limits how long cables can be and how far we can send our data.  At Elite AV we certified by the FOA “Fibre optic cable”.  We have found that thinking outside the box allows us to do many things that normal installers cannot do.In larger installations you may want HD security cameras on the entrances to your property.  You may want full internet access in your guest house.  What about mounting your satellite dish up to 2 miles away so it does not destroy the look of your house.  All of these are made possible with fiber optics.

Sep 3, 2013

pluggable SFP is a compact hot pluggable transceiver

SFP sockets are found in Ethernet switches and network interface cards. Storage interface cards, also called HBAs or Fibre Channel storage switches, also make use of these modules, supporting different speeds such as 2Gb, 4Gb, and 8Gb. Because of their low cost, low profile, and ability to provide a connection to different types of optical fiber, 1.25G SFP provides such equipment with enhanced flexibility.The SFP transceiver is not standardized by any official standards body, but rather is specified by a multi-source agreement (MSA) among competing manufacturers. The SFP was designed after the GBIC interface, and allows greater port density (number of transceivers per cm along the edge of a mother board) than the GBIC, which is why SFP is also known as mini-GBIC. The related Small Form Factor transceiver is similar in size to the SFP, but is soldered to the host board as a through-hole device, rather than plugged into an edge-card socket The programmer supports the  professional credential special instructions and is able to implement an algorithm to program almost any transceiver.SFP Total Wizard software is free and comes with a collection of scripts for programming transceivers. Collection of scripts is to be tested and updated regularly.Our specialists provide the professional technical support for interoperability of transceivers and switches and are ready to help you in difficult situations.

Sep 2, 2013

the XFP application in the form of specific integrated circuit

At the same time, Menara Networks has implemented the optical transmission network (OTN) of ITU-T in the XFP application in the form of specific integrated circuit (ASIC). OTN used in adding optical performance monitoring function and transmitting error correction, at the same time, for signal transmission package. Through the integration of XFP directly attached twinax cable in the plug-in package, package, the functions of signal package, achievable rate and optical signal management can be added to the IP routers and carrier Ethernet switch routers. This design has several advantages: the elimination of the needs of using additional 10 Gbps transponder to transmit switch or router signal (for DWDM transmission), and allows system suppliers to develop universal card without support OTN. But the biggest technical problem for Menara is the development of the included enabling data software rather than the development of OTN ASIC.Formats for SFP, SFP+, and XFP transceivers have been standardized by multisource agreements (MSAs) between manufacturers, so physical dimensions, connectors, and signaling are consistent and interchangeable. Be aware though that some major manufacturers, notably Cisco, sell network devices with slots that lock out transceivers from other vendors.

Sep 1, 2013

Because Fibre optic cable use light there is no way

Another benefit to Fibre optic cable is the distance components can be from each other.  There are two different type of fiber, single mode and multi mode.  Single mode uses a smaller core and the electronics use a more precise laser for the light so distnaces can be between 10 and 30 miles for siginal before a amplifier is needed.  Multi mode which is more standard in the AV world allows components to be up to 5 miles apart depending on the tranceiver being used.  Once again what does this mean for you?  Well if your building a large custom home your going to want tv’s, cameras, ethernet drops all over your home/property.  If you look at the ratings for  DWDM Fibre optic cable and Cat 5 you will see the average length for these cables is very low.  In fact HDMI cables are rarely found over 50ft.Technicians and cat 5 cables are said to have a max distance of 328 ft.  This means that you cannot wire your home with HDMI,  it also means some tv locations may also have problems if wired with cat 5.  On a previous installation we were able to install 3 tv’s in a guest house that was well over 1/2 mile away.  These TV’s had full access to all the media that was inside the main home.  This was only capable because of Fibre optic cable.