Data General 40G-SR-MM850

Description

Data General DG-40G-SR-MM850 – 40G QSFP+ SR4 150m Optical Transceiver

The DG-40G-SR-MM850 Optical Transceiver is a compact, cost-effective solution for 40Gbps Ethernet connectivity, compliant with QSFP+ MSA (Multi-Source Agreement) standards. Utilizing four parallel 10Gbps lanes, it delivers an aggregated 40Gbps bandwidth, making it ideal for rack-to-rack connections in data centers, metro networks, and cloud environments.

This QSFP+ SR4 module supports transmission distances of 100m on OM3 fiber and 150m on OM4 fiber, making it an optimal choice for high-speed interconnects over multimode fiber. The module integrates digital diagnostics monitoring (DDM) for real-time performance monitoring, ensuring reliable network operations.

With a low power consumption of 1.5W and hot-swappable functionality, the SPT-QSFP+MSR4 is engineered for efficient, high-density networking deployments, enhancing scalability and cost-efficiency in modern data centers.

Technical Specifications:

General Features:

• Form Factor: QSFP+ (SFF-8436 compliant)
• Data Rate: 40Gbps (4x 10Gbps lanes)
• Wavelength: 850nm VCSEL laser
• Connector Type: MTP/MPO optical connector
• Transmission Distance:
  • 100m on OM3 MMF
  • 150m on OM4 MMF
• Hot-Pluggable: Yes
• Power Supply: 3.3V single power supply
• Power Consumption: 1.5W
• Operating Temperature: 0°C to +70°C

Performance & Compliance:

• Optical Standards: IEEE 802.3 40GBASE-SR4
• Protocols Supported:
  • 40GbE (40G Ethernet)
  • InfiniBand SDR/DDR/QDR
  • OC-192, OTU1e, OTU2, OTU2e, OTU3
  • Fibre Channel (2G/4G/8G/10G)
• Laser Safety Compliance: IEC 60825-1 Class 1

Optical Characteristics:

• Transmitter:

  • Wavelength Range: 840 – 860nm
  • Average Optical Power per Channel: -8 to 0 dBm
  • Extinction Ratio: 3.5 dB min

• Receiver:

  • Receiver Sensitivity: -13 dBm
  • Maximum Input Power: +0.5 dBm
  • LOS De-Assert: -14 dBm
  • LOS Assert: -30 dBm

Electrical Characteristics:

• Input Differential Impedance: 100Ω
• Output Differential Impedance: 100Ω
• Bit Error Rate (BER): 10^-12
• Differential Input Voltage Amplitude: 120 – 1200 mV
• Differential Output Voltage Amplitude: 600 – 800 mV
• Inter-Channel Skew: 150 ps

Applications:

• High-Speed Data Center Interconnects
• 40GbE Ethernet Links
• Cloud Computing & Virtualization Networks
• Storage Area Networks (SANs)
• High-Performance Computing (HPC)
• Metro and Carrier Networks

The DG-40G-SR-MM850 40G QSFP+ SR4 Optical Transceiver delivers a cost-effective, high-density, and power-efficient solution for short-reach 40GbE deployments, ensuring seamless scalability and performance in high-speed networking environments.