【1000BASE-SX】SFP to LC Optical Gigabit Ethernet transceiver module 1.25Gbps SFP Mini -GBIC, Multi-mode 850nm LC duplex connector DDM 550m.【1GB SFP】For Cisco 1.25 Gigabit Ethernet 1000BASE-SX standards (coding as Cisco LC-SX-MMD GLC-SX-MM SFP-GE-S )【1G SFP Module】SFP Transceivers Compatible Cicso meraki with Gigabit Ethrnet , up to 550m for MMF transmission, compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions ,specified in IEEESFF-8472 MSA Compliant, IEEE 802.3ah-200【 Easy to Use 】installation, plug and play, fully hot-pluggable. Widely used in fiber switches, routers, NIC, server or other fiber optic equipments with SFP ports.