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MULTIMODE TRANSCEIVERS CONSUME LESS POWER THAN SINGLE-MODE TRANSCEIVERS, WHICH IS A CRUCIAL CONSIDERATION IN TERMS OF A DATA CENTRE’S RUNNING COSTS


bandwidth and faster-speed connections will only enhance the growth of the multimode fibre cable market, according to the Research & Markets report. There is already a surge in high bandwidth, both from businesses and consumers, thanks to the increased use of internet for video calls, gaming, online shopping, and social media. This has become ever-more apparent in


the months since the Covid-19 pandemic reared its ugly head, and lockdown took place throughout the world. Because the cable depends on light, rather than electricity, it is able to speed up the internet connections that are capable of handling this higher bandwidth. Multimode is considered cost- effective because the transceivers used are significantly cheaper, thanks to the use of vertical-cavity-surface-emitting laser (VCSEL) technology. According to John Kamino, product


manager at OFS Optics, single-mode transceivers continue to cost from between 1.5 and 4 to 5 times more than multimode


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DATA CENTER TECHNOLOGY AND MARKET TRENDS FORECAST BRIGHT FUTURE FOR MULTIMODE FIBER


transceivers, depending on the data rate. ‘Single-mode optics have always been more expensive than their equivalent multimode counterparts,’ he explained. ‘This fact is supported by the difference in multimode versus single-mode 10G optics, a common Ethernet speed used today.’


Save power, save cost Multimode transceivers also consume less power than single-mode transceivers, which is a crucial consideration especially in terms of a data centre’s running costs. In a large facility, for example, with thousands of links, multimode can provide real cost savings, from both a transceiver and power/cooling perspective. Another key driver of this market is that


multimode optical fibre is known for its simplicity of installation and termination in the field. This is particularly important for enterprise environments, with their speed of evolution when it comes to changes, additions or moves.n


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While enterprise and data center networks have undergone a remarkable evolution over the past decade, multimode fiber (MMF) remains the most cost-effective short-reach solution on the market. Presenting the latest market trends for multimode fiber.


AVAILABLE ONLINE NOW WWW.FIBRE-SYSTEMS.COM/WHITE-PAPER www.fibre-systems.com @fibresystemsmag Issue 27 n Spring 2020 n FiBRE SYSTEMS 21


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