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The LINK-PP LS-SM313G-20C is a high-performance 3G SFP transceiver specifically designed for advanced networking needs. It seamlessly supports a robust 3.125Gbps data rate over single-mode fiber infrastructure. This highly efficient optical module provides exceptional signal integrity, making it an ideal choice for upgrading modern telecommunication systems and enterprise network architectures efficiently.
| LINK-PP Part Number | LS-SM313G-20C | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 3.2Gbps |
| Wavelength | 1310nm | Max Cable Distance | 20km |
| Connector | Duplex LC | Media | SMF |
| Transmitter Type | DFB | Receiver Type | PIN |
| Receiver Sensitivity | -18dBm | DDM/DOM | Supported |
| TX Power | -6 to 0dBm | RX Power | -20 to -1dBm |
| Operating Temperature Range | 0 to 70°C | Protocols | MSA Compliant |
This hot-pluggable SFP footprint device incorporates a highly reliable DFB laser and integrates smoothly via a standard single +3.3V power supply. It remains fully RoHS compliant while meeting strict Class I laser safety requirements, ensuring secure, energy-efficient, and top-tier optical operational performance.
As a cost-effective 3Gbps optical link solution, this high-quality transceiver perfectly accommodates 1x, 2x, and 4x Fiber Channel systems. The versatile fiber optic module enhances overall data throughput, delivering exceptional stability across various high-capacity communication environments.
Designed to empower broad access networks, this advanced 3G optical transceiver facilitates seamless high-speed broadband connections. It consistently handles heavy traffic demands, enabling reliable data transmission for cellular base stations, enterprise routing, and critical telecommunication edge infrastructures.
Operating primarily on a highly stable 1310nm center wavelength, this transceiver features a premium DFB laser and precise PIN photodiode. This specific optical wavelength minimizes dispersion, thereby maximizing structural efficiency and ensuring pristine optical signal clarity.
Engineered for extensive reach, this robust module effortlessly drives data over long distances up to 20km using standard SMF transmission. Such extended optical routing capabilities make it perfect for connecting dispersed campus networks and metropolitan area facilities.
Featuring an industry-standard duplex LC receptacle, this fiber optic transceiver guarantees secure and rapid physical connections. The precise LC connector aligns flawlessly with common SFP MSA patch cords, minimizing insertion loss and streamlining rack deployment processes.
This smart transceiver incorporates integrated Digital Diagnostic Monitoring functions conforming to SFF-8472. The embedded DOM enables network administrators to actively track operating temperature, supply voltage, bias current, and real-time optical power via standard I2C interfaces.
Our premium networking components strictly adhere to global industry standards. The LS-SM313G-20C transceiver successfully passes extensive regulatory evaluations to guarantee maximum hardware safety and deployment reliability worldwide.
Every single optical module undergoes a highly rigorous quality control procedure before shipment. This comprehensive transceiver testing guarantees enduring functionality, strict MSA compliance, and optimal network integration capabilities.
This dependable optical device holds major international compliance approvals, including CE, FCC, UKCA, UL, and REACH certifications, officially ensuring exceptional environmental safety and electrical regulatory adherence globally.
Thoroughly verified for seamless multi-source agreement integration, this SFP optic guarantees universal switch compatibility. Network operators can confidently install it across diverse vendor networking equipment and routing hardware.
We execute demanding performance verification processes to guarantee ultimate network reliability. These strict analytical procedures validate both optical precision and continuous fiber signal consistency.
We precisely analyze the 1310nm center wavelength to confirm ideal spectral width and stability.
Advanced oscilloscopes meticulously verify transmission signal clarity, ensuring strict compliance with IEEE optical standards.
We assess data transmission accuracy at 3.125Gbps to maintain flawlessly minimal bit error rates.
The commercial grade module operates flawlessly under extreme environmental conditions from 0 to +70°C.
We prioritize incredibly secure global delivery methods for every optical transceiver. Our robust logistics ensure your networking hardware arrives perfectly intact and fully functional.
Each module is carefully sealed inside premium electrostatic shielding ESD-safe bags.
Thick protective foam inserts successfully absorb physical impacts during rough transit conditions.
Our efficient warehouse strictly guarantees quick shipment handling and rapid initial dispatch.
We partner with trusted couriers for rapid, highly secure worldwide optical distribution.
Deploying this 3G optical module within your network infrastructure is simple. Just plug the hot-swappable transceiver into a compatible SFP port, attach your duplex LC fiber cable, and immediately unlock seamless, high-speed 3Gbps connectivity for your enterprise.
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Professional technical guidance to help customers select the most suitable LS-SM313G-20C modules based on network architecture and application requirements.
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
![]() Current Model LS-SM313G-20C |
|---|
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 3.2Gbps | 3.2Gbps | 3.2Gbps | 3.2Gbps |
Wavelength | 1310nm | 1310nm | 1310nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max) | 20km | 2km | 20km | 2km |
Cable Type | SMF | SMF | SMF | SMF |
TX Power | -6 to 0dBm | -8 to 0dBm | -6 to 0dBm | -8 to 0dBm |
Receiver Sensitivity | -20 to -1dBm | -20 to -1dBm | -20 to -1dBm | -20 to -1dBm |
Operating Temperature | 0 to 70°C | 0 to 70°C | -40 to 85°C | -40 to 85°C |
Form Factor | SFP | SFP | SFP | SFP |
Transmitter Type | DFB | FP | DFB | FP |
Receiver Type | PIN | PIN | PIN | PIN |
DDM/DOM | Supported | Supported | Supported | Supported |
Protocols | MSA Compliant | MSA Compliant | MSA Compliant | MSA Compliant |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: Will this 3G SFP transceiver work seamlessly in our mixed Cisco, Ubiquiti, and Mikrotik switch environment without throwing vendor lock warnings? By P***n on 2026-07-19
A: Yes. The LS-SM313G-20C strictly adheres to standard SFP Multi-Source Agreement (MSA) specifications and SFF-8472 standards. It is engineered for broad multi-vendor interoperability and hot-swaps smoothly into compatible MSA SFP slots across standard enterprise networking switches, routers, and media converters without compatibility alarm triggers. By admin on 2026-07-20
Q: How does the signal stability and failure rate of this module compare to original brand-name transceivers given the huge price difference? By D***e on 2026-07-11
A: The LS-SM313G-20C uses high-grade 1310nm DFB transmitters and sensitive PIN photodiodes to maintain precise TX optical power (-6 to 0 dBm) and RX sensitivity (-18 dBm), matching OEM optical specifications line-for-line. Backed by a 5-year warranty and complete SFF-8472 digital diagnostic monitoring (DDM), it delivers carrier-grade reliability at a fraction of typical OEM costs. By admin on 2026-07-11
Q: We need to place some transceivers inside unheated outdoor telecom roadside cabinets. Is this commercial 0–70°C unit suitable, or do you have an industrial-grade version? By D***l on 2026-06-25
A: The LS-SM313G-20C operates across the standard commercial range of 0°C to 70°C (32°F to 158°F). For harsh environments or unconditioned outdoor NEMA enclosures, we recommend selecting our industrial-grade variant, part number LS-SM313G-20I, which is engineered for hardened industrial temperatures from -40°C to +85°C (-40°F to 185°F). By admin on 2026-06-25
Q: What type of fiber patch cable should we pair with this module for a 15km to 20km point-to-point link? By B***z on 2026-02-18
A: This module features a duplex LC optical receptacle and requires standard 9/125µm single-mode fiber (SMF, OS1/OS2) patch cords. For optimal link loss budget over distances up to 20km, ensure standard LC-UPC (blue connector) polish type is utilized. By admin on 2026-02-18
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