CISCO GENUINE. BRAND NEW. FACTORY SEALED. FULL CISCO WARRANTY. FROM CHICAGO COMPUTER SUPPLY Overview When your network must push 10 Gigabit Ethernet over long distances, standard optics will not suffice. The Cisco X2-10GB-ER= is a high-performance 10GBASE-ER X2 transceiver module built for extended-reach links over single-mode fiber (SMF). Operating at 1550nm and using a duplex LC connector, this module supports distances up to 40 kilometers, making it ideal for long-haul enterprise uplinks, service provider transport, and backbone connectivity between sites. It’s for environments where uptime matters and where stable, long-range 10G links keep the network running smoothly. If you need a Cisco genuine 10G ER optic in the X2 form factor, this module delivers the reach and reliability you expect. Key Features · Supports 10 Gigabit Ethernet connectivity for long-distance fiber links · Designed for 10GBASE-ER extended-reach deployments · Operates at 1550nm wavelength for long-haul transmission · Supports up to 40 km reach over standard single-mode fiber · Uses a duplex LC connector for common enterprise fiber patching · Built for data centers, enterprise backbones, and service provider transport · Ideal for long-range uplinks and high-speed interconnects · Cisco genuine module supplied new with full warranty coverage Technical Specifications Description: Cisco 10GBASE-ER Module X2-10GB-ER=Device Type: X2 Transceiver ModuleForm Factor: X2Connectivity Technology: WiredNetwork Standard: 10GBASE-ERData Link Protocol: 10 Gigabit EthernetFiber Type: SMF (Single-Mode Fiber)Wavelength: 1550 nmConnector Type: Duplex LCMax Distance: Up to 40 kmCisco Part Number: X2-10GB-ER=UPC: 880959542055 Use Cases The Cisco X2-10GB-ER= is ideal for organizations that need stable 10G long-distance fiber connectivity across campuses, metro links, or inter-site backbone links. It works well for core uplinks, distribution-to-core connections, and service provider transport environments where 40 km reach keeps infrastructure scalable. If your network uses single-mode fiber and you want extended-reach 10G performance in an X2 module, this optic is a perfect fit. Why Choose the X2-10GB-ER= · Cisco genuine 10GBASE-ER X2 optic for long-range deployments · Supports up to 40 km reach over single-mode fiber · 1550nm wavelength designed for extended-distance transmission · Duplex LC connector for standard fiber connectivity · Strong fit for enterprise backbone and transport applications · Helps maintain high-speed, stable 10G uplinks between sites · Supplied brand new and factory sealed · Backed by a full Cisco warranty for confident deployment FAQs What is the Cisco X2-10GB-ER= used for? The Cisco X2-10GB-ER= provides 10 Gigabit Ethernet connectivity over single-mode fiber using the 10GBASE-ER standard for long-distance links. What is the maximum distance supported by X2-10GB-ER=? It supports up to 40 kilometers over standard single-mode fiber, depending on the link design and fiber conditions. What wavelength does the Cisco X2-10GB-ER= operate on? It operates at 1550nm, which is common for extended-reach and long-haul fiber transmission. What fiber type do you need for this module? It requires single-mode fiber (SMF) to achieve long-distance 10G connectivity. What connector type does the X2-10GB-ER= use? It uses a duplex LC connector, which is common in enterprise fiber patching environments. Is this module suitable for data centers and service provider networks? Yes. It is for data centre connectivity, enterprise wiring closets, and service provider transport applications that require extended reach. Is X2-10GB-ER= the same as an SFP+ module? No. It is an X2 form-factor transceiver, larger than SFP+ and designed for Cisco platforms that support X2 ports. Is this product new and covered under warranty? Yes. It is a genuine Cisco product, brand new, factory sealed, and includes the full Cisco warranty from Chicago Computer Supply.
