Cisco CPAK-100G-LR4

The Cisco CPAK-100G-LR4 is a transceiver module designed for high-speed data transmission over optical fiber networks. It is part of Cisco's CPAK (Cisco Packet-Optical Platform) family of transceivers, specifically designed for 100 Gigabit Ethernet (100GbE) applications. The "100G" in the name indicates that it supports data rates of up to 100 Gigabits per second. "LR4" stands for "Long Reach 4," indicating that it is designed for long-distance transmission. The CPAK-100G-LR4 module uses wavelength division multiplexing (WDM) technology to transmit and receive data over four different wavelengths simultaneously. It operates over single-mode fiber and has a reach of up to 10 kilometers (6.2 miles). Overall, the Cisco CPAK-100G-LR4 is a high-performance transceiver module used in data centers and telecommunications networks to enable high-speed and long-distance data transmission.