SFP-10G-ER-S= Overview 10GBASE-ER SFP Module, Enterprise-Class The SFP-10G-ER-S= is a single-mode fiber transceiver designed for use with compatible Huawei switches and routers. It supports 10 Gigabit Ethernet connectivity over distances of up to 40 kilometers, making it ideal for use in long-range network applications. Quick Spec Table 1 shows the quick spec. Product Model SFP-10G-ER-S= Data Rate 10 Gbps Wavelength 1550 nm Maximum Distance 40 km Connector Type LC Fiber Type Single-mode SFP-10G-ER-S= Specification SFP-10G-ER-S= Specification Product Model SFP-10G-ER-S= Data Rate 10 Gbps Wavelength 1550 nm Maximum Distance 40 km Connector Type LC Fiber Type Single-mode