10GBASE-SR Optical Transceiver Module
1. General Description
The 10GBASE-SR is a high-performance, cost-effective SFP+ transceiver module designed for short-range data communication and interconnect applications using OM3 or OM4 multimode fiber. It operates over a wavelength of 850 nm and supports distances up to 300 meters on OM3 and 400 meters on OM4 fiber.
2. Features
• Compliant with IEEE 802.3ae 10GBASE-SR standard
• Hot-pluggable SFP+ footprint
• 850 nm VCSEL laser and PIN photodetector
• Duplex LC optical interface
• Digital Diagnostics Monitoring (DDM) per SFF-8472
• Low power consumption: < 1W typical
• Operating temperature: 0°C to +70°C (standard); -40°C to +85°C (industrial)
• RoHS-6 compliant
3. Absolute Maximum Ratings
Parameter | Min | Max | Unit |
|---|---|---|---|
Supply Voltage (Vcc) | -0.5 | +3.6 | V |
Storage Temperature | -40 | +85 | °C |
Relative Humidity | 5 | 95 | % |
4. Optical Characteristics
Parameter | Min | Typ | Max | Unit | Notes |
|---|---|---|---|---|---|
Transmit Wavelength | 840 | 850 | 860 | nm | |
Optical Output Power | -7.3 | -1 | 0.5 | dBm | Average |
Extinction Ratio | 3 | — | — | dB | |
Receiver Sensitivity | — | — | -11.1 | dBm | For BER < 10⁻¹² |
Maximum Input Power | — | — | 0.5 | dBm | |
Link Distance (OM3) | — | — | 300 | meters | At 850 nm |
Link Distance (OM4) | — | — | 400 | meters | At 8 |
5. Electrical Characteristics
Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
Supply Voltage (Vcc) | 3.13 | 3.3 | 3.47 | V |
Supply Current | — | 250 | 300 | mA |
Power Consumption | — | — | 1.0 | W |
6. Interface
• Host Interface: SFI (10 Gigabit SFP+ Serial Interface)
• Optical Interface: Duplex LC
• Connector Type: SFP+ (Small Form-Factor Pluggable Plus)
• Digital Diagnostics:
• Temperature monitoring
• Supply voltage monitoring
• Laser bias current
• Optical TX/RX power levels
7. Compliance and Certifications
• IEEE 802.3ae (10GBASE-SR)
• SFF-8431 (SFP+ MSA)
• SFF-8472 (DDM)
• RoHS & REACH compliant
• CE, FCC, TUV, UL certified (depending on vendor)
8. Applications
• 10 Gigabit Ethernet
• Data center switching and interconnect
• High-speed I/O for servers and storage systems
• Short-reach multimode fiber links in enterprise networks
• High-density SFP+ switch ports