1.25Gbps SFP 1310nm Single Mode 20km Optical Transceiver Module (Duplex LC, DDM)

Product Overview

The LPOSFPLX03D SFP Optical Transceiver Module is a high-performance, hot-pluggable Small Form-Factor Pluggable (SFP) transceiver engineered for long-reach Gigabit Ethernet and Fibre Channel data links. Operating at a nominal optical wavelength of 1310 nm over single mode fiber (SMF 9/125µm), this module delivers uncompressed bidirectional data transmission at speeds up to 1.25 Gbps across transmission distances reaching up to 20 km (12.4 miles).

Built with a standard Duplex LC optical interface, the LPOSFPLX03D features integrated Digital Diagnostic Monitoring (DDM / DOM) per SFF-8472 standards, giving network administrators real-time visibility into critical operational parameters such as optical output power, optical input power, operating temperature, laser bias current, and transceiver supply voltage. Housed in a durable, all-metal anti-interference casing designed to minimize electromagnetic interference (EMI), this MSA-compliant transceiver provides plug-and-play network expansion across core managed switches, enterprise routers, fiber media converters, and long-range IP surveillance aggregation networks.

Key Features

• 1.25 Gbps Gigabit Throughput: Supports wire-speed Gigabit Ethernet (1000BASE-LX) and 1G/2G Fibre Channel optical communication protocols.

• Extended 20 km Reach: Optimized 1310 nm Fabry-Perot (FP) laser and PIN photodetector enable reliable optical links over standard single mode fiber up to 20 kilometers.

• Digital Diagnostic Monitoring (DDM/DOM): Real-time monitoring of internal temperature, optical transmit/receive power, laser bias, and DC supply voltage via the I²C serial bus.

• Industry-Standard Duplex LC Receptacle: Compatible with standard single mode OS1/OS2 LC duplex optical patch cords.

• Hot-Pluggable SFP Footprint: Installs or swaps into active SFP transceiver cages without powering down host switches or interrupting running services.

• Rugged EMI-Shielded Metal Housing: All-metal enclosure provides high mechanical durability, efficient thermal heat dissipation, and low electromagnetic interference.

• Multi-Source Agreement (MSA) Compliance: Complies with SFP MSA, IEEE 802.3z 1000BASE-LX, and Class 1 laser eye safety (IEC 60825-1) standards.

Compatible Devices

• Managed and Unmanaged Gigabit Ethernet Switches with SFP/SFP+ uplink ports

• Enterprise Routers, Core Firewalls, and Multi-Service Gateways

• Gigabit Fiber Media Converters (SFP to RJ45 Copper)

• Network Video Recorders (NVRs) and VMS Storage Servers with Optical SFP PCIe Interface Cards

• Single Mode OS2 LC-to-LC Duplex Fiber Patch Cords (such as LPF13L10L1027L3M)