📦 Description: 
The Sopto SPT‑PB351GL20D is a 1.25G Bi‑Directional SFP transceiver designed for single‑fiber communication. It transmits at 1310nm and receives at 1550nm, supporting up to 20km transmission distance over single‑mode fiber. With its LC simplex interface and Digital Diagnostic Monitoring (DDM), it ensures reliable Gigabit Ethernet and Fibre Channel connectivity for enterprise and telecom networks.

⚙️ Details:

• Product: Bi‑Directional SFP Transceiver
• Brand: Sopto
• Model: SPT‑PB351GL20D (Blue HZL)
• Data Rate: 1.25Gbps (Gigabit Ethernet, Fibre Channel)
• Wavelengths: 1310nm TX / 1550nm RX
• Distance: Up to 20km over single‑mode fiber
• Connector: Simplex LC
• DDM: Supported (Digital Diagnostic Monitoring)
• Power Supply: +3.3V single supply
• Temperature Range: 0°C ~ 70°C (commercial grade)
• Compliance: SFP MSA, SFF‑8472, RoHS
• Application: Gigabit Ethernet, Fibre Channel, telecom networks, enterprise backbones