Overview The Cisco SFP-10G-ER= is a 10 Gigabit Ethernet SFP+ transceiver designed to deliver high-speed network connections over single-mode fiber with a reach of up to 40 kilometers. Operating at a 1550 nm wavelength and featuring a duplex LC connector, this module is ideal for extending network links across campus backbones, metropolitan access loops, and data center interconnects. Its hot-swappable design allows for easy installation and maintenance without disrupting network operations. Key features Supports 10 Gbps Ethernet transmission over single-mode fiber for high-bandwidth applications Extended reach of up to 40 kilometers enables long-distance connectivity without additional repeaters Duplex LC connector ensures straightforward fiber optic cable attachment and compatibility Hot-swappable form factor allows network upgrades and replacements without downtime Compliant with IEEE 802.3ae 10GBase-ER standard for reliable and standardized performance Broad compatibility with Cisco switches, routers, and network interface cards that accept SFP+ modules Key specs Data rate: 10 Gbps Wavelength: 1550 nm Maximum reach: 40 kilometers Connector type: Duplex LC Standard: IEEE 802.3ae 10GBase-ER Form factor: SFP+ Connectivity and compatibility This transceiver integrates seamlessly with a wide range of Cisco networking equipment that supports SFP+ modules, including switches, routers, and network interface cards. Its duplex LC connector is compatible with standard single-mode fiber optic cables, making it easy to connect to existing fiber infrastructure. The module’s adherence to IEEE standards ensures interoperability and future-proofing within Cisco environments. Ideal uses and environments The Cisco SFP-10G-ER= is well suited for enterprise networks requiring reliable long-distance 10 Gigabit Ethernet links. It works effectively in campus backbones where buildings are spread out, metropolitan area networks connecting multiple sites, and data centers needing high-speed interconnections. Service providers and colocation facilities benefit from its ability to link remote sites and redundant infrastructure without the expense of optical repeaters.