This 1.25G SFP CWDM Transceiver is a single-channel, pluggable, optical module for Gigabit Ethernet Applications. 
It is a high-performance module for data communication and interconnects applications that operate at 1.25 Gbps up to 80Km over SMF.  
The optical connection is duplex LC and is designed to operate over single mode fiber systems using a CWDM DFB laser and a PIN receiver. Digital diagnostics functions are available via the I2C interface.

Applications:

• Gigabit Ethernet Switches and Routers
• Other Optical Link

Features:

• Support 1G Ethernet application
• Compliant to SFF-8472
• 18 CWDM wavelength from 1271nm to 1611nm
• +3.3V single power supply
• Duplex LC Connector Interface
• Hot Pluggable
• Transmission distance up to 80km 
• Digital diagnostics functions are available via the I2C interface
• Operating Case Temperature
  Commercial：0°C to +70 °C
  Special: 0°C to +85 °C
• RoHS compliant