1.25G 1310/1550nm bidirectional SFP optical transceiver module designed for 120km long-distance network applications with advanced digital diagnostic monitoring capabilities.

• Up to 1.25Gb/s data transmission rate
• DFB laser transmitter with APD receiver technology
• 120km transmission distance on 9/125μm single-mode fiber
• Hot-pluggable SFP form factor
• Bidirectional LC/UPC optical interface
• Low power consumption design
• Metal enclosure for enhanced EMI protection
• RoHS compliant and lead-free construction
• Single +3.3V power supply requirement
• Digital Diagnostic Monitoring interface support
• Operating temperature range: 0°C to +70°C

• Switch to Switch Interface connections
• Fast Ethernet network infrastructure
• Switched Backplane Applications
• Router/Server Interface connectivity
• Various optical link implementations

• SFP+ MSA Compliant
• SFF-8472 Revision 9.5 compliant
• IEEE 802.3-2005 compliant
• Telcordia GR-468-CORE compliant
• FCC 47 CFR Part 15, Class B compliant
• FDA 21 CFR 1040.10 and 1040.11, Class 1 compliant

This SFP transceiver supports comprehensive digital diagnostic monitoring capabilities, providing real-time access to critical operating parameters including transceiver temperature, laser bias current, transmitted optical power, received optical power, and supply voltage. The system includes advanced alarm and warning flags to alert users when parameters exceed factory-set normal ranges, ensuring optimal network performance and reliability.