Data General 1G-LX-SM1310

Description

Data General DG-1G-LX-SM1310 – 1.25Gbps SFP Optical Transceiver, 20km reach

The DG-1G-LX-SM1310 1.25G SFP Optical Transceiver is a cost-effective, high-speed networking module built for Gigabit Ethernet and fiber-optic applications. This module operates at 1.25Gbps for Gigabit Ethernet and 1.063Gbps for Fiber Channel, supporting long-distance connectivity up to 20km over single-mode fiber (SMF).

Equipped with a 1310nm FP laser transmitter and a PIN photodiode receiver, the SPT-P131G-20D offers low power consumption, high port density, and hot-pluggable functionality for seamless network integration. It is fully compliant with SFP Multi-Source Agreement (MSA) and SFF-8472 standards, ensuring wide compatibility with networking equipment.

With digital diagnostic monitoring (DDM) functionality, this module enables real-time monitoring of optical power, voltage, temperature, and bias current, ensuring optimal network performance and proactive fault detection.

Technical Specifications:

General Features:

• Form Factor: SFP (Small Form-Factor Pluggable)
• Data Rate: 1.25Gbps (Gigabit Ethernet) / 1.063Gbps (Fiber Channel)
• Wavelength: 1310nm FP laser
• Connector Type: Duplex LC
• Transmission Distance: Up to 20km over SMF
• Hot-Pluggable: Yes
• Power Supply: 3.3V single power supply
• Power Consumption: 170mA max
• Operating Temperature:
  • Standard: 0°C to +70°C
  • Industrial: -40°C to +85°C

Performance & Compliance:

• Optical Standards: IEEE 802.3z 1000BASE-LX, SONET OC-24-LR-1
• Protocols Supported:
  • Gigabit Ethernet (1.25Gbps)
  • Fiber Channel (1.063Gbps)
  • Switch-to-Switch Interfaces
  • Router & Server Connectivity
• Laser Safety Compliance: IEC 60825-1 Class 1
• EMI Shielding: Fully metallic enclosure for superior EMI performance

Optical Characteristics:

• Transmitter:

  • Center Wavelength: 1260 – 1360nm
  • Spectral Width (RMS): 4nm
  • Average Optical Power: -9 to -3 dBm
  • Extinction Ratio: 9 dB
  • Optical Rise/Fall Time: 0.26 ns

• Receiver:

  • Center Wavelength: 1260 – 1580nm
  • Receiver Sensitivity: -24 dBm
  • Receiver Overload: -1 dBm
  • LOS De-Assert: -26 dBm
  • LOS Assert: -36 dBm

Electrical Characteristics:

• Power Supply Voltage: 3.13V – 3.47V
• Data Input Swing Differential: 400 – 1800mV
• Differential Input Impedance: 90 – 110Ω
• Differential Output Voltage Swing: 400 – 1800mV

Applications:

• Long-Distance Gigabit Ethernet (1000BASE-LX) Networks
• Fiber Channel Interconnects
• Switch-to-Switch & Router Interfaces
• Storage Area Networks (SANs)
• Enterprise and Industrial Networking

The DG-1G-LX-SM1310 1.25Gbps Optical Transceiver is a high-speed, low-power, and cost-effective solution for long-reach fiber-optic communication, ensuring scalability, performance, and reliability in modern networking environments.