Please click here for the latest White paper on the Loop Telecom O9400RInstallation atZamir Telecom

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Memoriesare life’s most prized possession. And because of that I go to great lengths toensure they are protected against what would be a disaster if I lost them all.Besides my iMac, I store to a router/backup on a regular schedule. I also backup monthly to a portable hard drive that should be kept off site but for now isin the house. Music is further backed up (with some tricks) on what seems likea dozen iPods among the family. I also save to storage in the cloud using asubscribed service. The cloud is my absolute failsafe should all other measuresfail. I have entrusted all my data and assets to reside somewhere out there inthe cloud and in the data centers of the world. And they are doing everythingthey can to protect them, right?

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The Innbox brand portfolio from FTL www.fibre.co.uk encompasses a? broad portfolio of innovative customer premises equipment like network termination devices with integrated RF converters for CATV, home gateways, universal home gateways, set-top boxes, media centers and power line communication devices which have the following? distinguishing characteristics:?
designed and produced in EU
awarded for technical perfection and unique modular design
provide high performance
enable fast installation, maintenance and remote management
provide premium end-user experience,
are based on a pay-as-you-grow business model
multi-vendor interoperability
are ???green??ù ??? lower power consumption than required by EU legislation,
top technical support and training programs

The 4th generation mobile technique LTE(Long Term Evolution) is demanding much higher requirements on clocking andsynchronisation as with former technologies. Even more, the back-hauling of theantennas for LTE (eNodeB) is purely based on Ethernet, which did not offerspecial features for clock and synchrony up to now. Ethernet is normally anasynchronous and packet-oriented transmission technology mainly used in LAN.Due to that there was no need to fulfil any demands on these quality featuresand in regular products nothing was prepared to support them.

Understanding the newdemands of back-hauling antennas via Ethernet, arcutronix implements in itsaccess devices synchronous Ethernet (Sync-E) and PTP.

Sync-E works onphysical layer similar to SDH. The Precision-Time Protocol, defined by IEEErecommendation 1588v2-2008, is a packet-based method to synchronise clocks andis independent to the physical transport, which is a big difference to Sync-E.Using Master-Slave architecture, the timing source (Grandmaster) sendsperiodically packets, which are carrying the actual time/clock. In amulti-stage procedure, each attached slave determines the packet-delay betweenitself and the Grandmaster. Knowing this individual packet-delay the slave canadjust its clock correctly. The algorithm used to calculate the delay of thetiming-packets requires precise timestamps for the sending and receiving time.Depending on the quality of the timestamps, the slave’s established clock canbe the same as on the Grandmaster, varying only a few Nano-seconds.

As for all packet-oriented procedures, thereare variations in the packet-delay for PTP packets and so the value is notconstant, but slightly fluctuating. The smaller the packet-delay variation, thebetter is the result for the calculated clock at the PTP slave. In addition,any change in the topology of the network, caused by failure of lines or nodes,will lead to massive change in the mean-packet-delay between Grandmaster andslave.

The calculation of the packet-delay betweenslave and Grandmaster plus the optimisation of the network to smallpacket-delay variations is one of the big challenges for operators andproviders. The used network models are never matching to existing lines. Theycan only be seen as a generalisation of common known networks.

arcutronix offers in its products the optionto log the calculated packet-delays and to store this over a long period oftime (up to 3 years). Using these loggings, conclusions about the network canbe done and ways for corrections can be found. Any changes in the topology canbe back-tracked and the influence on the quality-level of the PTP. So this newfeature is not only a mighty tool for operators but also very well suited intest cases and to improve further models of existing topologies.

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Aproduct that does not accomplish this in an easy and intuitive way is over-thought andcosts you money. At FTL, we approach fibre management with threesimple goals in mind. Our first and most importantobjective is to deliver solutions that minimise your fibreriskin the cable plant. Secondly, it is our responsibility to eliminate deployment and maintenance headaches. Lastly, wemust reduce the cost of broadband deployment bycarefulattention to not only the reduction of capital equipment costs, but also theoperationalcosts of each and every deployment.

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In the past 22 years, We have assisted hundreds of customers with their network design, planning, and associated fibre management needs. These networks have ranged from the booming CATV HFC days of the mid-90’s through fibre exhaust scenarios of the telcos to the gargantuan bandwidth needs of the various FTTH deployment strategies. One of the constants in all of them has been the consideration of link loss budget planning: How far out can I get with my current optical power before I have to terminate or amplify? I have always been amazed that more often than not, the first answer to distance limitation is to plop in more optical power in the way of EDFA’s, transmitters, and amplifiers. Optical transmission and having the power to get it where you want it to go can be an expensive affair. However, boosting power is not the only way to gain distance.

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Fibre may be harmed unwillingly by rodents, ground work or even natural phenomena such as flooding or earthquakes.

Even worse, the fibres are the easiest way to attack an otherwise highly secure network. This may include cutting fibres to create outages, or in the most advanced way, tapping of the data carried though the fibre.

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Ottawa, IL ? June 11, 2012 ? B&B Electronics (www.bb-elec.com), a developer of wired and wireless connectivity technology, has expanded its portfolio to include the industry’s most comprehensive offerings of fiber access networking solutions through its acquisition of IMC Networks (www.imcnetworks.com).

Founded in 1988, IMC Networks is a leading provider of optical access and media conversion solutions for LAN, MAN and FTTx applications. A pioneer in the development of many Ethernet-based products, IMC is known for designing the first fiber optic access and media conversion solutions in the industry.
The acquisition translates into increased portfolio strength for B&B through the addition of enterprise-class fiber-optic solutions designed to easily integrate into existing network infrastructures, as well as wide-area connectivity offerings. With this expanded scope, B&B extends its position as the single point-of-support for connectivity solutions needed by companies with networks of all sizes.

?The market for IMC’s technology is positioned for strong growth during the next few years, driven by the increasing bandwidth and reach of the edge of networks,” explained Sean Harrigan, B&B president/CEO. ?As companies and governmental organizations continue to invest in upgrading and expanding their networks, IMC’s reputation for quality technology that easily integrates into existing networks will further deepen B&B’s position as a compelling, total solution provider for demanding network engineers and designers seeking to boost performance.”

IMC solutions are known for allowing networks to perform better, faster and more reliably, with next-generation fiber access solutions sold in more than 50 countries. More than 60 percent of the company’s sales come from outside the United States, with customers including telecommunication carriers, military and government entities. Harrigan indicated that B&B values IMC’s history of innovation and ongoing investment in R&D.

IMC is B&B Electronics’ third major acquisition over the past 9 months. Late last year, B&B purchased Quatech, an Ohio-based manufacturer of industrial connectivity solutions. Earlier this year, B&B completed the acquisition of the Czech-based Conel s.r.o., a manufacturer of wireless communications routers, gateways and devices that connect cellular networks to Ethernet, serial and other data networks. The IMC acquisition fits B&B’s strategy of providing end-to-end networking connectivity solutions for industrial networks.

IMC Networks is headquartered in Foothill Ranch, CA with additional offices in Clearwater, FL, and Washington DC. The IMC business will operate as a subsidiary of B&B Electronics.

IMC’s product line consists of hundreds of solutions, including copper-to-fiber Media Converters that integrate with existing copper wiring-based networks, fiber mode converters, distance extenders, repeaters, LAN/WAN bandwidth management, intelligent FTTx solutions, and Small Form-Factor Pluggable (SFP) solutions. IMC Networks supports Ethernet, ATM/SONET, T1/E1 and DS3/E3 networking technologies with Simple Network Management Protocol (SNMP) Management. Its media conversion solutions are available in a variety of form factors and configurations, from low-cost standalone units to rack-mountable modules designed for the high-density applications.

About B&B Electronics:
Designing, customizing, and manufacturing products since 1981, B&B Electronics (www.bb-elec.com) is a one-stop source for best-in-class rugged, reliable wireless connectivity and communications solutions. Backed by strong technical support, B&B products are known for being simple to order, simple to use and simple to install. The company offers solutions for serial, Ethernet and USB networks for industrial and commercial applications around the world.