Cisco CPAK-100GE-LR4

The Cisco CPAK-100GE-LR4 is a high-speed pluggable transceiver module designed for use in Cisco networking equipment. It is specifically designed for 100 Gigabit Ethernet (100GE) applications and provides a long-reach connectivity option. The "LR4" in the name stands for "Long Reach 4," indicating that this transceiver module is capable of transmitting data over long distances. It uses four wavelengths of light to transmit and receive data, each carrying a 25 Gigabit per second (Gbps) signal. This allows for a total data transfer rate of 100 Gbps. The Cisco CPAK-100GE-LR4 is commonly used in data centers and other high-performance networking environments where high-speed and long-distance connectivity is required. It is compatible with various Cisco networking platforms and provides reliable and high-performance connectivity for demanding applications.