400GBASE-SR8 Optical Transceiver Module
Overview
400GBASE-SR8 Optical Transceiver Module
Form Factor
QSFP-DD (Quad Small Form-factor Pluggable Double Density)
Application
High-speed, short-reach data center optical interconnect
📡 Optical Specifications
• Wavelength: 850nm (VCSEL)
• Fiber Type: Multimode fiber (OM4/OM5 recommended)
• Connector Interface: 16F MPO/MTP® (APC or UPC optional based on system)
• Transmission Distance:
• Up to 70m over OM3
• Up to 100m over OM4
• Up to 150m over OM5
• Modulation Format: PAM4
• Total Bandwidth: 400Gbps
• Lane Configuration: 8 x 50Gbps (PAM4)
⚙️ Electrical & Mechanical Interface
• Host Interface: 8 x 53.125Gbps PAM4 electrical lanes
• Connector Type: MPO-16/APC (aligned with SR8 parallel optics)
• Power Consumption: < 10W typical
• Power Supply: +3.3V
• Hot Pluggable: Yes
• Case Temperature Range: 0°C to +70°C (commercial)
📈 Performance & Compliance
• FEC (Forward Error Correction): Required at host (IEEE 802.3cd compliant)
• Protocol Support
• IEEE 802.3cm (400GBASE-SR8)
• CMIS 4.0/5.0 compliant (Common Management Interface Specification)
• Laser Safety: Class 1 (IEC 60825-1)
• EMC & Safety
• RoHS-6 compliant
• ESD to IEC 61000-4-2 Class 2
• EMI compliant with FCC Part 15 Class B