1.25G SFP Duplex LC 1310/1550nm Optical Module
This 1.25G SFP optical module features a duplex LC connector and supports 1000Base-LX/LH. It is designed for single-mode fiber, with transmission distances ranging from 10km to 120km.





Technical Specifications
Overview
High-Performance 1.25G SFP Transceiver
This 1.25G SFP optical module is a high-performance, cost-effective solution for serial optical data communications. Designed for Gigabit Ethernet and Fiber Channel links, it features a duplex LC connector and supports transmission distances ranging from 10km to 120km over single-mode fiber. The module is hot-pluggable and fully compliant with the SFP Multi-Source Agreement (MSA) for seamless integration into professional networking equipment.
Key Performance Metrics
Performance Highlights
Technical Specifications
- Wavelength
- 1310nm1550nm
- Connector Type
- Duplex LC
- Fiber Type
- Single-mode Fiber (SMF) 9/125μm
- Power Dissipation
- 700 mW

Compliance & Standards
Standards Compliance
- SFP Multi-Sourcing Agreement (MSA)
- IEEE Std 802.31 Gigabit Ethernet
- IEEE 802.3z 1000BASE-LX
- FC-PI 13.03 (1x/2x Fiber Channel)
Certifications
Applications
Primary Applications
- Switch to switch interface
- High speed I/O for file servers
- Bus extension applications
- Gigabit Ethernet links
Operational Limits
Supply Voltage Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Maximum Supply Voltage | Vcc | 0.5 | 4.5 | V |
Features
Physical Features
- Hot-pluggable SFP footprint
- Metal enclosure for lower EMI
- Very low jitter
- FP/DFB Laser transmitter



