The Cisco Refresh CFP-40G-LR4 is a refurbished Cisco 40G optical transceiver module in CFP form factor. It supports 40GBASE-LR4, enabling 40 Gigabit Ethernet over single-mode fiber up to 10 kilometers. As a Cisco Refresh part, it has been inspected, tested, and restored to meet Cisco standards, offering a reliable option for upgrading uplinks or expanding a 40G backbone without the cost of new hardware. This 40G Optical Transceiver Module is designed for long-reach, single-mode applications and fits CFP slots in compatible Cisco devices.
