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490NAC0201

The Schneider Electric 490NAC0201 is a Hot Standby (HSBY) SFP socket – fiber optic single-mode adapter designed for use with Modicon M580 Hot Standby (HSBY) CPUs and redundant processor systems. It provides a high-speed communication link between primary and secondary CPUs in redundancy setups, enabling reliable synchronization and continuous operation in critical industrial automation applications.

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Specifications Function & Application Type: Hot standby fiber optic single-mode adapter (SFP socket) Application: For redundant processors / hot standby CPU communication in Modicon M580 systems Compatibility Compatible with: Modicon M580 HSBY CPU & redundant processor setups Part of the Modicon M580 range of programmable automation controllers (PAC/PLC) Mechanical & Electrical Connector type: LC-LC single-mode fiber optic connector Transmission rate: 1 Gbps Material / Housing: Metal construction Performance & Media Fiber type: Single-mode fiber (LC-LC) Typical maximum transmission distance: up to ~10 km over single-mode fiber (standard 1000BASE-LX*) — often considered up to 15 km in some configurations. (*Standard test conditions and connectors may affect max distance.) Standards & Compliance RoHS / environmental compliance noted in datasheets Industrial design for harsh environments (metal housing) Typical Use Case This adapter is typically installed in the SFP slots of Modicon M580 Hot Standby CPUs to create a fiber-optic link between primary and standby units, ensuring high-speed, reliable data/sync communication for mission-critical automation systems.