Cisco 10-1991-02 800-25138-02 - 10GBase-lx 1310nm Transceiver Module

Overview
The Cisco 800-25138-02 10GBase-lx 1310nm Transceiver Module delivers reliable 10 Gigabit Ethernet connectivity over single-mode fiber. Designed for Cisco Catalyst and Nexus platforms, this hot-pluggable SFP+ module supports long-reach applications up to 10 kilometers, making it ideal for campus, data center and metropolitan network extensions. Its compact form factor and low power consumption enable dense port configurations while maintaining high performance and low latency.

Key Features

• 10 Gbps Ethernet transmission over single-mode fiber
• Wavelength of 1310 nm for long distance reach
• Maximum link length of 10 km (OTU) or 5 km (standard SMF)
• Hot-pluggable SFP+ design for easy installation and replacement
• Low power draw of less than 1.5 watts per module
• Compliance with IEEE 802.3ae standard
• Built-in digital diagnostic monitoring (DDM) for real time performance data

Technical Specifications

• Form factor: SFP+ (LC connector)
• Transmit wavelength: 1310 nm
• Receive wavelength: 1310 nm
• Operating temperature: 0 deg to 70 deg C (industrial) or -5 deg to 55 deg C (commercial)
• Power consumption: Max 1.5 W
• Data rate: 10.3125 Gbps
• Compliance: IEEE 802.3ae, Cisco IOS support
• Diagnostic monitoring: Temperature, voltage, bias current, Tx power, Rx power

Typical Applications

• Campus backbone connections between buildings
• Data center interconnects for server and storage aggregation
• Metro Ethernet deployments linking remote sites
• High performance clustering and virtualization environments
• Enterprise WAN extensions requiring low latency and high throughput

Choose the Cisco 800-25138-02 10GBase-lx transceiver for a proven, standards-based solution that simplifies network design while delivering the speed and reach needed for modern high-bandwidth applications.