
The SFP-10G-LR= is a Cisco 10 Gigabit Ethernet Small Form-Factor Pluggable (SFP+) transceiver. It’s designed for long-reach single-mode fiber connections, enabling data transmission over distances up to approximately 10 kilometers. This transceiver operates at 1310nm wavelength and supports 10 Gigabit Ethernet speeds. The “= ” at the end signifies a spare, or non-configured part. It’s commonly used in networking equipment to establish long-haul fiber optic links in enterprise and data center networks.