The CFP2-100G-LR4-D refers to a 100 Gigabit Ethernet CFP2 transceiver module designed for long-reach optical communication. “LR4” signifies that it uses four wavelengths to transmit 100GbE over single-mode fiber, supporting distances up to 10 kilometers. “CFP2” indicates the form factor, which is a standardized pluggable module used in high-speed networking equipment. The “-D” often signifies a specific design or feature variant, potentially related to digital diagnostics or enhanced performance. These modules are essential for connecting data centers and telecommunication networks over significant distances, providing reliable and high-bandwidth connectivity.
