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What is PAM4? PAM4 is short of pulse amplitude modulation 4. It is a modulation technology that uses four different signal levels for signal transmission. it with an additional two levels compared with the NRZ (non-return to zero) modulation. This means that, under the same baud rate, the bit rate of PAM4 signals is twice […]
The QSFP-DD800 optical transceivers introduce 8x100G and 2x400GGBASE Quad Small Form-Factor Pluggable Double-Density (QSFP-DD) modules, it offering customers super-high-density pluggable transceivers compared with 800G OSFP along with the flexibility of 400 Gigabit Ethernet and 100 Gigabit Ethernet connectivity options for data centers, high-performance computing networks, enterprise core and distribution layers, and service provider applications. The […]