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Keysight debuts 400GE test system covering PAM4 and 100GE NRZ

Keysight Technologies introduced its new AresONE-S 400GE test system for validating complex, mixed 400 gigabit Ethernet (GE) and lower-speed networks and devices.

The AresONE-S 400GE test system, which is aimed at network equipment manufacturers and data center operators, provides 6.4 Tbps load and stress traffic to detect and debug data transmission errors at multiple Ethernet speeds. Further, AresONE-S allows multiple systems to be synchronized together to test 25.6 Tbps networking devices and equipment using a single test system.

Highlights of Keysight’s AresONE-S test system:

AresONE-S fixed chassis is available in two options, the AresONE-S-400GE QSFP-DD High-Density 16-Port Test System and AresONE-S-400GE QSFP-DD High-Density 8-Port Test System. Customers can start lower-port-count testing by purchasing 4 ports in the 8-port chassis, or 8-ports in the 16-port chassis. Keysight’s “pay-as-you-grow” model enables customers to add ports and software options in the field to support future test requirements.

Data center operators have widely deployed mature 100GE non-return-to-zero (NRZ)-based technologies.  Keysight notes that higher Ethernet speeds, such as 400GE, create new mixed signaling and forward error correction (FEC) implementations in data center networks, as well as multi-rate speed environments. The transition from NRZ to pulse amplitude modulation level-4 (PAM4) requires testing of both types of encoding.

“Data center operators are dealing with complex environments containing multiple signaling technologies and Ethernet speeds that continue to evolve,” said Ram Periakaruppan, vice president and general manager, Keysight’s Network Test and Security Solutions group. “AresONE-S doubles the port density of any other 400GE test platform and delivers the flexibility our customers need to verify their networks and network equipment, while scaling to meet future requirements.”

https://www.keysight.com/us/en/about/newsroom/news-releases/2021/0216-nr21016-keysight-delivers-first-16-port-400ge-test-system-t.html?akamai-feo=off

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