1.25Gb/s-80km-SM-SFP-BIDI DDM TX RX 1550 1490 One Pair

The 1.25Gb/s-80km-SM-SFP-BIDI DDM is a bi-directional SFP transceiver designed for long-distance single-mode fiber (SMF) transmission. This transceiver supports data rates up to 1.25Gbps and can transmit data over distances up to 80km using 9/125 μm SMF. It features a duplex LC connector and is compatible with a variety of network equipment, including those from Huawei and Cisco.

Key Features:

  • Data Rate: Up to 1.25Gb/s bi-directional links
  • Transmission Distance: Up to 80km over 9/125 μm SMF
  • Connector: Duplex LC connector
  • Compatibility: Compatible with Huawei and Cisco SFP modules
  • Hot-Pluggable: SFP footprint for easy installation and replacement
  • Diagnostics: Optional digital diagnostic monitoring functions
  • Enclosure: Metal enclosure for lower electromagnetic interference (EMI)
  • Power Supply: Single 3.3V power supply
  • Temperature Range:
    • Standard: 0°C to 70°C
    • Industrial: -40°C to 85°C
  • Compliance: Compliant with Multi-Source Agreement (MSA) SFP specification


  • 1.25Gb/s 1000Base Ethernet
  • 1.06 Gb/s Fibre Channel
  • Gigabit Ethernet
  • SONET/OC-24
  • Fiber Channel Links
  • ATM Switches and Routers
  • SONET/SDH Switch Infrastructure
  • XDSL Applications
  • Metro Edge Switching
  • WDM GBE Links
  • SONET/SDH Equipment Interconnect

Product Specifications:

  • Form Factor: SFP
  • Data Rate: 1.25Gb/s
  • Wavelengths: TX 1550nm / RX 1490nm (or vice versa for the pair)
  • Transmission Distance: 80km
  • Connector: Duplex LC
  • Digital Diagnostic Monitoring (DDM): Yes
  • Operating Temperature:
    • Standard: 0°C to 70°C
    • Industrial: -40°C to 85°C
  • Power Supply: 3.3V
  • EMI Protection: Metal enclosure
  • Compliance: MSA SFP Specification

The 1.25Gb/s-80km-SM-SFP-BIDI DDM transceiver module is an ideal solution for long-distance networking applications, offering robust performance and compatibility with leading network equipment. Its advanced features, including digital diagnostic monitoring and high-temperature operation, make it suitable for a wide range of environments and applications.

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