PacketLight Networks debuts PL 4000G transponder for 4.8T in 1RU

Dec. 16, 2021
The system will accommodate a flexible mix of 400 Gigabit Ethernet (GbE) and 100GbE client traffic over 400-Gbps wavelengths via pluggable coherent modules.

PacketLight Networks has unveiled the PL-4000G transponder, designed to provide 4.8 Tbps of capacity in 1RU for data center interconnect applications. The system will accommodate a flexible mix of 400 Gigabit Ethernet (GbE) and 100GbE client traffic over 400-Gbps wavelengths via pluggable coherent modules.

The PL-4000G supports up to 12x400GbE or up to 48x100GbE client services via QSFP-DD SR8/LR8 or QSFP-DD DR4/FR8 pluggable modules, respectively. On the line side, the transponder can use 400ZR or OpenZR+ coherent pluggables with industry-standard CFEC and OFEC, respectively. The transponder integrates mux/demux, two EDFAs, and an optical switch to deliver a complete DWDM/OTN end-to-end platform in a 1RU form factor. The PL-4000G can serve as a full demarcation point between the 100GbE and 400GbE client services and the DWDM and is interoperable with any third-party vendors’ switches and routers, PacketLight asserts.

“We are happy to introduce this optical transport device to the market, answering our customers’ needs for a high-capacity integrated platform in a compact footprint, saving network operational expenses, and reducing power and cost per bit,” said Koby Reshef, CEO of PacketLight Networks. "Our vendor-agnostic solution enables smooth and cost-effective migration to 400G networks with optimal cost and performance, while supporting 400ZR and OpenZR+ industry standards.”

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About the Author

Stephen Hardy | Editorial Director and Associate Publisher, Lightwave

Stephen Hardy is editorial director and associate publisher of Lightwave and Broadband Technology Report, part of the Lighting & Technology Group at Endeavor Business Media. Stephen is responsible for establishing and executing editorial strategy across the both brands’ websites, email newsletters, events, and other information products. He has covered the fiber-optics space for more than 20 years, and communications and technology for more than 35 years. During his tenure, Lightwave has received awards from Folio: and the American Society of Business Press Editors (ASBPE) for editorial excellence. Prior to joining Lightwave in 1997, Stephen worked for Telecommunications magazine and the Journal of Electronic Defense.

Stephen has moderated panels at numerous events, including the Optica Executive Forum, ECOC, and SCTE Cable-Tec Expo. He also is program director for the Lightwave Innovation Reviews and the Diamond Technology Reviews.

He has written numerous articles in all aspects of optical communications and fiber-optic networks, including fiber to the home (FTTH), PON, optical components, DWDM, fiber cables, packet optical transport, optical transceivers, lasers, fiber optic testing, and more.

You can connect with Stephen on LinkedIn as well as Twitter.

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