Data General 25G-SR-MM850

Description

Data General DG-25G-SR-MM850 – 25Gbps SFP28 SR Multimode Optical Transceiver, 100m reach

The DG-25G-SR-MM850 SFP28 Optical Transceiver is an ultra-efficient, high-speed networking solution designed for short-distance interconnects in modern data centers. Utilizing multimode fiber (MMF), it supports a maximum link length of 70m on OM3 MMF and 100m on OM4 MMF, making it ideal for rack-to-rack connections, server clusters, and cloud networking.

This hot-pluggable SFP28 module is fully compliant with SFF-8472 digital diagnostic monitoring (DDM) and SFI electrical interface specifications, ensuring real-time performance monitoring and seamless integration into existing 25GbE networking infrastructures.

With a low power consumption design, an all-metal housing for EMI shielding, and an advanced firmware that allows system encryption information storage, the SPT-SFP28-SR provides a cost-effective and high-densitysolution for next-generation networking demands.

Technical Specifications:

General Features:

• Form Factor: SFP28 (SFF-8472 compliant)
• Data Rate: 25.78Gbps
• Wavelength: 850nm VCSEL laser
• Connector Type: Duplex LC
• Transmission Distance:
  • 70m over OM3 MMF
  • 100m over OM4 MMF
• Hot-Pluggable: Yes
• Power Supply: 3.3V single power supply
• Power Consumption: Low power design
• Operating Temperature:
  • Commercial: 0°C to +70°C
  • Industrial: -40°C to +85°C

Performance & Compliance:

• Optical Standards: IEEE 802.3 25GBASE-SR
• Protocols Supported:
  • 25GbE Ethernet
  • High-speed storage area networks
  • Computer cluster cross-connects
  • Custom high-speed data pipes
• Laser Safety Compliance: IEC 60825-1 Class 1
• EMI Shielding: All-metal housing for superior EMI performance

Optical Characteristics:

• Transmitter:

  • Center Wavelength: 840 – 860nm
  • Optical Power (OMA): -6.4 to -1.5 dBm
  • Extinction Ratio: 2 dB min
  • Transmitter Dispersion Penalty (TDP): 4.3 dB

• Receiver:

  • Receiver Sensitivity (Average Power): -9.5 dBm (BER = 1×10⁻¹²)
  • Maximum Input Power: 2.4 dBm
  • Loss of Signal Assert (LOSA): -30 dBm
  • Loss of Signal Deassert (LOSD): -7.5 dBm

Electrical Characteristics:

• Power Supply Voltage: 3.135V – 3.465V
• Power Supply Current: 300mA
• Differential Input Voltage Swing: 180 – 700mV
• Differential Output Voltage Swing: 300 – 850mV

Applications:

• High-Speed Data Center Networking
• 25G Ethernet Links
• Cloud Computing & Virtualization Networks
• Storage Area Networks (SANs)
• Enterprise and Metro Networks

The DG-25G-SR-MM850 25Gbps Optical Transceiver is a power-efficient, high-performance solution for modern networking infrastructures, ensuring seamless scalability and reliable data transmission in next-generation high-speed environments.