SFP-10G-ER – Cisco Compatible SFP 10GBASE-ER 1550nm 40km DOM Duplex LC UPC SMF Optical Transceiver ModuleThe Cisco SFP‑10G‑ER‑I is a high-performance SFP optical transceiver that delivers 10 Gbps Ethernet over single‑mode fiber (SMF) with distances up to 40 km at a 1550 nm wavelength. It’s fully compliant with the 10GBASE‑ER standard and utilizes a duplex LC/UPC connector interface, ideal for long-haul campus or metro-area network deployments .�� Key Specifications of Cisco SFP-10G-ER-I Compatible SFP 10GBASE-ER 1550nm 40km DOM Duplex LC/UPC SMF Optical Transceiver Module (Industrial)Data rate: 10 Gbps (up to 10.7 Gbps supported)Wavelength: 1550 nmMax reach: 40 km over G.652 SMF (Some links indicate up to 40 km engineered vs. 30 km standard)Connector: Duplex LC / UPCLaser & receiver type: DFB or EML transmitter with PIN photodiodePower consumption: Typically ≤1.5 – 1.8 WDDM/DOM: Supported—provides real-time diagnostics for temperature, voltage, bias current, and optical TX/RX powerOperating temp: Commercial (0 °C – 70 °C) or industrial (–40 °C – 85 °C) models availableCompliance: MSA, IEEE 802.3ae, SFF-8472, SFF-8431/-32, RoHS, and Class 1 laser safety✅ Compatibility & IntegrationThese modules seamlessly match the original Cisco SFP‑10G‑ER‑I, ensuring 100% compatibility with Cisco, Juniper, Arista, Ubiquiti, MikroTik, Netgear, and more . They automatically initialize and run without requiring OEM-specific firmware, making them excellent, cost-efficient alternatives.�� Industrial Reliability of Cisco SFP-10G-ER-I Compatible SFP 10GBASE-ER 1550nm 40km DOM Duplex LC/UPC SMF Optical Transceiver Module (Industrial)Industrial-grade versions are built for extreme conditions. They use rugged components and are tested across –40 °C to 85 °C for military, transportation, and outdoor installations .�� Ideal Use Cases for Cisco SFP-10G-ER-I Compatible SFP 10GBASE-ER 1550nm 40km DOM Duplex LC/UPC SMF Optical Transceiver Module (Industrial)Campus backbones connecting distributed buildingsData‑center spine links over long optical trunksMetro‑area networks (MANs)Telecom/Carrier infrastructureWhen real-time DDM monitoring is needed�� Advantages & Buying Tips of Cisco SFP-10G-ER-I Compatible SFP 10GBASE-ER 1550nm 40km DOM Duplex LC/UPC SMF Optical Transceiver Module (Industrial)BenefitDetailsLong‑reach performance40 km at 1550 nm with robust signal integrityHot-pluggableSwap in/out without powering down systemsDOM supportSimplifies troubleshooting and proactive monitoringCost‑effectiveCompatible brands typically save 30–60% over OEM pricingMultiple temperature optionsChoose based on deployment environmentEnsure complianceVerify specs like laser type, reach, DOM support, and warranty�� ConclusionIf you’re building a long-haul 10 Gbps optical network, the SFP‑10G‑ER‑I is an outstanding pick. It’s reliable, standards-compliant, and available from reputable vendors (HPC Optics, QSFPTEK, ProLabs, FS, C2G, etc.). For industrial environments, pick the “‑I” variant rated for –40 °C to 85 °C. Always confirm DDM/DOM support and vendor warranty before purchasing.
