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Press Release -- December 21st, 2021
Source: packetlight

PacketLight Networks Delivers 4.8T Capacity in 1U with the New PL‑4000G Transponder Platform

Benefit from this High-Capacity Solution for Data Center Interconnect Applications

Tel Aviv, December 14, 2021PacketLight Networks, a leading provider of DWDM/OTN and optical fiber networking equipment, announced today the release of the PL-4000G 4.8T Transponder. The device transports a flexible mix of 400GbE and 100GbE client services over 400G wavelengths for high-capacity data center interconnect applications such as Internet exchange, and research and education. PacketLight Networks is a leading provider of 400G over a single wavelength in a 1U device, using the latest technology of standards-based modules.

The PL-4000G modular, standards-based device increases network capacity and enables flexible pay-as-you-grow architecture by delivering up to 12x400GbE or up to 48x100GbE client services using QSFPDD-SR8/LR8 or QDFPDD-DR4/FR8 standard MSA pluggable modules, respectively. The device supports 400ZR, and OpenZR+ standards with industry-standard CFEC and OFEC respectively.

“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.”

The PL-4000G supports standard MSA pluggable modules, which reduce power consumption by more than 70 percent and improve 100/400GbE port density. The transponder integrates mux/demux, two EDFAs and an optical switch, delivering the entire DWDM/OTN end-to-end infrastructure solution in a 1U form factor, and facilitating a cost-saving solution. The PL-4000G provides 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.

For more information on PacketLight’s suite of optical fiber networking products, visit

About PacketLight Networks

PacketLight leverages more than 20 years of fiber optic networking experience to deliver carrier-grade, DWDM and OTN equipment, which provide the entire fiber optical layer transport solution and reduce CAPEX and OPEX. PacketLight solutions allow carriers, data centers, enterprises, content providers, dark fiber providers, universities, and governments and defense organizations to meet high data delivery demands with exceptional service.

For product and reseller information, please contact


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