40GBASE-SR4 & 40GBASE-LR4 Optical Transceiver Modules
🔹 40GBASE-SR4 Optical Transceiver Module (QSFP+)
Form Factor: QSFP+
Application: High-speed short-reach interconnects in data centers
🔍 Optical Specs
• Wavelength: 850 nm (VCSEL)
• Connector: MPO/MTP® 12-fiber (female)
• Fiber Type: Multimode (OM3/OM4)
• Reach
• Up to 100m on OM3
• Up to 150m on OM4
• Lanes: 4x 10Gbps (parallel)
⚙️ Electrical & General
• Electrical Interface: 4x10Gbps NRZ
• Modulation: NRZ
• Power Consumption: <1.5W typical
• Operating Temp: 0°C to +70°C (commercial)
• Compliance: IEEE 802.3ba 40GBASE-SR4
• Hot Pluggable: Yes
• FEC: Not required
🔹 40GBASE-LR4 Optical Transceiver Module (QSFP+)
Form Factor: QSFP+
Application: Long-reach interconnects for enterprise & telecom
🔍 Optical Specs
• Wavelengths: 1270 nm, 1290 nm, 1310 nm, 1330 nm (CWDM DFB lasers)
• Connector: LC Duplex
• Fiber Type: Single-mode fiber (SMF)
• Reach: Up to 10 km
• Lanes: 4x10Gbps (WDM on one pair of fibers)
⚙️ Electrical & General
• Electrical Interface: 4x10Gbps NRZ
• Modulation: NRZ
• Power Consumption: <3.5W
• Operating Temp: 0°C to +70°C
• Compliance:
• IEEE 802.3ba 40GBASE-LR4
• Telcordia GR-468
• FEC: Not required but supported by host
• EMC & Safety:
• RoHS-6 compliant
• Laser Class 1 (IEC 60825)