Cisco DS-SFP-FC4G-LW – 4Gbps Long-Wave Fibre Channel SFP
The Cisco DS-SFP-FC4G-LW is a high-performance 4Gbps Fibre Channel SFP (Small Form-Factor Pluggable) transceiver, designed for Cisco MDS 9000 series and compatible Fibre Channel switches.
This module supports long-wave (LW) transmission over single-mode fiber (SMF), enabling connectivity over distances of up to 10 kilometers, making it ideal for data center interconnects, SAN environments, and long-distance storage networking.
It provides auto-sensing speeds (1/2/4 Gbps), ensuring backward compatibility and flexible deployment in enterprise Fibre Channel infrastructures.
Key Specifications
| Feature | Details |
|---|
| Product Name | Cisco 4G Fibre Channel LW SFP |
| Part Number | DS-SFP-FC4G-LW |
| Data Rate | 1 / 2 / 4 Gbps (auto-sensing) |
| Wavelength | 1310 nm |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | Dual LC |
| Max Distance | Up to 10 km |
| Interface | SFP (Mini-GBIC) |
| Protocol | Fibre Channel |
| Compatibility | Cisco MDS 9000 Series & FC switches |
| Operating Temp | 0°C to 70°C |
Performance & Connectivity Benefits
The Cisco DS-SFP-FC4G-LW is engineered for reliable Fibre Channel networking:
- Supports long-distance transmission up to 10km over SMF
- Provides auto-sensing 1/2/4Gbps speeds for flexible deployments
- Ensures low latency and high reliability for storage networks
- Uses 1310nm wavelength for long-wave optical transmission
- Designed for enterprise SAN (Storage Area Network) environments
It is ideal for extending Fibre Channel connectivity across data centers, buildings, or campuses.
Applications & Use Cases
- Storage Area Networks (SAN)
- Data center interconnects
- Enterprise Fibre Channel switching
- Long-distance storage connectivity
- Backup and disaster recovery networks
Why Choose Cisco DS-SFP-FC4G-LW?
- Trusted Cisco OEM Fibre Channel transceiver
- Supports long-distance connectivity (up to 10km)
- Compatible with Cisco MDS and FC switches
- Reliable performance for mission-critical storage networks
- Flexible deployment with auto-speed detection
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