Marvell has launched the 88X9121P, a dual 400GbE (gigabit Ethernet) PHY transceiver with 100GbE serial electrical I/O capabilities, designed for secured high-density optical infrastructure. The device offers 256-bit MACsec encryption, class C compliant precision time protocol (PTP) timestamping and Marvell’s 112G pam4 serdes technology for high-density 400GbE and 100GbE deployments. 100G serial electrical signaling optical …
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