10 Gigabit Optical Module Receiving Parameters
10G SFP+ optical modules support 10Gbps data rates over various fiber types, with link distances ranging from 26 meters to 40 kilometers depending on module type and wavelength.
Key Technical Parameters
1. Data Rate and Interface
- All 10G SFP+ modules support 10 Gigabit Ethernet (10GbE).
- Electrical interface uses a 20-contact edge connector for host connection in SFP+ slots (FS modules) and is hot-pluggable for easy replacement or upgrades . 2. Fiber Type and Link Distance
- Short-Range (SR) Modules: Operate over multimode fiber (MMF), typically 850nm wavelength, supporting distances up to 300–400 meters on OM3/OM4 fiber .
- Long-Range (LR) Modules: Use single-mode fiber (SMF) at 1310nm, supporting distances up to 10 km.
- Extended-Range (ER) Modules: Use 1550nm wavelength SMF, supporting distances up to 40 km .
- Industrial or Extended Temperature Modules: Support wider operating temperature ranges and may include additional CPRI datarates for telecom applications . 3. Connector Type
- Most modules use LC duplex connectors for fiber connections.
- Some modules, like 10GBASE-T SFP+, use RJ-45 connectors for copper cabling up to 30 meters . 4. Wavelength
- SR: 850nm (MMF)
- LR: 1310nm (SMF)
- ER: 1550nm (SMF) for long-distance links 5. Power Consumption
- Varies by module type; typical SFP+ modules consume less than 1W, while 10GBASE-T modules may consume more due to copper transceivers . 6. Hot-Pluggable and Compatibility
- All SFP+ modules are hot-swappable, allowing installation without powering down devices.
- Modules are generally compatible with multiple vendors, but firmware and device compatibility should be verified before deployment . 7. Special Considerations
- Single-fiber bidirectional (BIDI) modules must be used in pairs with complementary wavelengths (e.g., 1270nm Tx with 1330nm Rx) to achieve full duplex communication .
- Mode conditioning patch cords may be required for LRM modules over legacy MMF to meet link specifications .
- Industrial modules support extended temperature ranges and additional telecom datarates for CPRI applications . 8. Applications
- Data center interconnects, enterprise backbone, metro Ethernet, and telecom access networks.
- Short-range modules are ideal for intra-rack or adjacent rack connections, while ER modules are suitable for campus or metro links . These parameters provide a comprehensive overview for selecting the appropriate 10G SFP+ optical module based on distance, fiber type, wavelength, and environmental requirements.
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