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23 April 2019

Applied Optoelectronics announces sample availability of 400G SR8 transceivers

Applied Optoelectronics Inc (AOI) of Sugar Land, TX, USA – a designer and manufacturer of optical components, modules and equipment for fiber access networks in the Internet data-center, cable TV broadband, fiber-to-the-home (FTTH) and telecom markets – has announced initial sample availability of 400G SR8 high-speed optical transceivers (with volume production expected in third-quarter 2019).

The transceiver employs 4-level pulse amplitude modulation (PAM-4) encoding to deliver 50Gbps data throughput on each of eight separate multi-mode optical channels. Utilizing low-cost vertical-cavity surface-emitting laser (VCSEL) technology, the short-reach transceivers are said to be cost-effective solutions for interconnecting switches within the data center over distances up to 70m over OM3 fibers. As large data-center operators begin to implement switches with net throughput of 12.8Tbps, 400G optical transceivers are expected to be needed in larger quantities.

Features of the transceivers include:

  • QSFP-DD type1 form factor;
  • compliant with IEEE 802.3cd 200GBASE-SR4 and IEEE 802.3bs/400GAUI-8;
  • compliant with the latest Common Management Interface Specification; and
  • available in both MPO16 and MPO24 optical connector types.

“The newly announced 400G SR8 transceivers are a great complement to our line of intermediate-reach data-center transceivers,” says senior sales manager Claire Szuma. “Our large data-center customers need solutions that cover distances as short as a few meters, for example within a single electronics rack, to several kilometres,” she adds. “Our growing product line of 400G products is designed to meet these customer needs, with the most cost-effective solution for each use case.”

The 400G SR8 transceivers add to AOI’s previously announced 400G product family, which includes on-board optics (OBO) modules as well as active optical cables (AOCs).

Tags: Optical transceivers

Visit:  www.ao-inc.com

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