DS-SFP-FC8G-LW Cisco 2/4/8-Gbps Fibre Channel-Longwave, SFP+, LC

Cisco DS-SFP-FC8G-LW - Overview

This module is part of the Cisco MDS 9000 Series pluggable transceivers portfolio, designed for storage area networking (SAN) applications. It enables high-speed Fibre Channel links between Cisco MDS switches, directors, and compatible storage arrays.

🔧 Key Specifications

• Form Factor: SFP+ (hot-swappable)
• Protocol Support: 2/4/8 Gbps Fibre Channel (auto-negotiating)
• Wavelength: 1310 nm (long-wave laser)
• Connector Type: Duplex LC
• Fiber Type: Single-mode fiber (SMF)
• Reach: Up to 10 km over SMF
• Data Rate: 8.5 Gbps line rate (backward compatible with 2/4 Gbps)
• Compatibility: Cisco MDS 9000 family, Nexus switches with FC support, and other platforms supporting Cisco-qualified FC optics
• Hot-Swappable: Yes, without disrupting system operation

🧩 Ideal Use Cases

• Enterprise SANs requiring long-distance Fibre Channel connectivity
• Data center interconnects between sites within metro distances (≤10 km)
• Storage arrays and directors where 8G FC is the standard transport
• Mixed-speed environments (2/4/8 Gbps) needing flexible optics