Free shipping over $600. For wholesale pricing, please contact us directly.
Need Help?
Chat live with us
Live Chat
Want to call?

+ 86-752-3386717

United Kingdom · English · GBP
  • Mind your business with a variety of trusted payment options.

  • Use order number or tracking number to check shipping status.

  • Get your quote fast and offer you more professional service.

  • Help manage your budget & expenditure better.

  • Meet us and know our mission, belief, service and more.

  • Find our locations and get connected with us closely.

  • Quality management, testing, compatibility and global compliance.

  • Download ISO, CE, FCC, UL, RoHS and REACH certificates by product line.

  • Lab tour, optical test bed, compatibility tool and test requests.

  • Find out the latest news and events around l-p.com

  • Deep dive into technical guides, industry standards, and SFP compatibility insights.

  • Detailed product benchmarks and side-by-side comparisons to help you choose the right module.

  • Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.

  • Essential tips on choosing data rates, transmission distances, and connector types.

Select Currency
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht
LS-SM313G-20C 3g sfp 1310nm 20km dom duplex lc smf optical transceiver module
Click to open expanded view

LINK-PP LS-SM313G-20C 3G SFP 1310nm 20km DOM Duplex LC SMF Optical Transceiver Module

Add to wish Compare

Product summary

Product
LINK-PP LS-SM313G-20C 3G SFP 1310nm 20km DOM Duplex LC SMF Optical Transceiver Module
SKU
184338
P/N
LS-SM313G-20C
Price
$ 10.06
Stock
650 in Stock
Sold
1.4K
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
For Order Over $3000 Get $50.00 Off , Code: Linkpp50
For Order Over $5000 Get $100.00 Off , Code: Linkpp100
New Users: $10 Coupon for Orders , Code: linkpp2610
25 Reviews
4 Questions
1.4K Sold
$ 10.06 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 10.06
100
$ 9.557
1000
$ 9.256
3000
$ 8.954
6000
$ 8.652
Manufacture: LINK-PP P/N: LS-SM313G-20C SKU: 184338
Compatible:
LINK-PP
Shipping:
Free Shipping
to United States via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
Stock:
{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .
Quantity:
( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )
Total Price:
{{ lpMoneyText(detail_data.displayed_price.unit_prefix, detail_data.displayed_price.total, detail_data.displayed_price.unit_suffix) }}
{{ lpMoneyText(detail_data.displayed_price.unit_prefix, detail_data.displayed_price.original_total_price, detail_data.displayed_price.unit_suffix) }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

LINK-PP LS-SM313G-20C 3G SFP Specifications

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

Key Features of LINK-PP LS-SM313G-20C 3G SFP

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.

LINK-PP LS-SM313G-20C 3G SFP Optical Module

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.

LS-SM313G-20C: 3G Connectivity for Access Network

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.

LS-SM313G-20C Module with 1310nm Wavelength

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.

LS-SM313G-20C Module Supporting 20km Transmission

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.

LS-SM313G-20C Module with Duplex LC Interface

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.

LS-SM313G-20C Module with DOM for Real-Time Monitoring

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.


LINK-PP LS-SM313G-20C 3G SFP Certification

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.

Optical Transceivers Testing

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.

LS-SM313G-20C Quality Certifications

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.

LS-SM313G-20C Certified for Reliable Host-Device Compatibility

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.


Rigorous Testing Ensures Reliable SFP Performance

We execute demanding performance verification processes to guarantee ultimate network reliability. These strict analytical procedures validate both optical precision and continuous fiber signal consistency.

Optical

Optical Spectrum Test

We precisely analyze the 1310nm center wavelength to confirm ideal spectral width and stability.

Optical

Eye Pattern Test

Advanced oscilloscopes meticulously verify transmission signal clarity, ensuring strict compliance with IEEE optical standards.

Optical

Bit Error Rate Test

We assess data transmission accuracy at 3.125Gbps to maintain flawlessly minimal bit error rates.

Optical

Temperature Test

The commercial grade module operates flawlessly under extreme environmental conditions from 0 to +70°C.


Product Shipping for LINK-PP LS-SM313G-20C 3G SFP

We prioritize incredibly secure global delivery methods for every optical transceiver. Our robust logistics ensure your networking hardware arrives perfectly intact and fully functional.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Each module is carefully sealed inside premium electrostatic shielding ESD-safe bags.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Thick protective foam inserts successfully absorb physical impacts during rough transit conditions.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Our efficient warehouse strictly guarantees quick shipment handling and rapid initial dispatch.

Global Logistics and International Delivery

Global Logistics and International Delivery

We partner with trusted couriers for rapid, highly secure worldwide optical distribution.

LINK-PP LS-SM313G-20C 3G SFP Usage Demonstration

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.

LS-SM313G-20C Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LS-SM313G-20C modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP LS-SM313G-20C 3G SFP After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

Matching Products

Pictures ID# Description Price Stock Add to Cart

Questions & Answers

Ask a Question
No data

Customer Reviews

Write a Review
  • {{stardata.star}}

    {{comment.count}} reviews

  • 5 Stars
    {{comment.star5}}%
    4 Stars
    {{comment.star4}}%
    3 Stars
    {{comment.star3}}%
    2 Stars
    {{comment.star2}}%
    1 Star
    {{comment.star1}}%
No data
J***z
Taiwan, Province of China
Verified Purchase
5 .0
2026-07-27
Deployed these 1310nm 20km optics across four remote wiring closets without any hiccups.
R***r
Colombia
Verified Purchase
5 .0
2026-07-06
Tested 20 units on a 18km SMF span; TX power stayed steady at -3.2dBm with zero CRC errors, and DOM diagnostics integrated directly into our Zabbix monitoring stack without friction.
S***e
New Zealand
Verified Purchase
5 .0
2026-06-13
Upgraded our cellular backhaul edge nodes with these 3G SFPs. The 1310nm DFB laser delivers crisp optical margins across variable load spikes while maintaining low power consumption in our rack.
K***a
Canada
Verified Purchase
5 .0
2026-05-29
Fast dispatch and crisp Duplex LC latching action inside our telecom edge racks.
D***n
Denmark
Verified Purchase
5 .0
2026-05-19
Solid 1310nm DFB optics, plug and play.
A***n
Venezuela
Verified Purchase
5 .0
2026-05-14
Solid 3.125Gbps throughput over a 15km single-mode run between enterprise buildings.
D***n
Republic of Korea
Verified Purchase
5 .0
2026-04-25
Instant link up on single-mode fiber.
B***s
Chile
Verified Purchase
5 .0
2026-04-13
Flawless 3.125G link across campus.
R***n
Ukraine
Verified Purchase
5 .0
2026-04-12
Verified compatibility across Cisco and Ubiquiti switches; hot-plugging registered immediately with accurate SFF-8472 telemetry. Unbeatable price-to-performance ratio for mid-span 20km enterprise interconnects compared to costly vendor-branded alternatives.
S***n
Italy
Verified Purchase
5 .0
2026-04-10
Great transceivers for long-range distribution.
A***z
Finland
Verified Purchase
5 .0
2026-02-25
Replaced overpriced OEM modules on our CPRI base station links; rock solid stability.
J***r
Hong Kong
Verified Purchase
5 .0
2026-01-31
Seamless compatibility with our core switches.
T***n
Czech Republic
Verified Purchase
4 .0
2026-01-21
Outer shipping box had minor dents, but the 1310nm SFP modules worked perfectly.
E***z
United Kingdom
Verified Purchase
5 .0
2026-01-19
Clean MSA compliance makes these transceivers seamlessly hot-swappable across multi-brand gear. (•‿•)
P***z
Dominican Republic
Verified Purchase
5 .0
2026-01-11
Running cool inside our aggregation switch. ⚡
D***z
Peru
Verified Purchase
5 .0
2025-12-27
Reliable PIN receiver sensitivity and clean TX output levels right out of box.
R***s
Chile
Verified Purchase
5 .0
2025-12-21
The DDM optical power values read accurately on our switch management console.
K***z
Italy
Verified Purchase
5 .0
2025-12-10
Excellent thermal performance in our 1U aggregation switches during 24/7 continuous loads.
K***t
Ghana
Verified Purchase
4 .0
2025-11-13
Carrier delayed delivery by two days, though the 20km optical transceivers perform flawlessly.
J***z
Ukraine
Verified Purchase
5 .0
2025-11-06
DOM telemetry works spot-on in CLI.
M***z
Bolivia
Verified Purchase
5 .0
2025-10-15
Perfect fit for our SAN switches.
D***z
Panama
Verified Purchase
5 .0
2025-10-09
DDM readings are remarkably precise.
D***n
Canada
Verified Purchase
5 .0
2025-10-02
Clean duplex LC connection, zero packet loss.
A***s
Norway
Verified Purchase
5 .0
2025-09-27
Best value 20km SFP modules available.
J***n
Austria
Verified Purchase
5 .0
2025-09-26
Rolled these out for metro campus distribution; the duplex LC interface clicked firmly into our patch panels, and continuous 3.125Gbps stress testing showed rock-solid link stability over 16km fiber.
{{comments.user.name}}
{{comments.user.country}}
Verified Purchase
{{comments.rating}}.0
{{comments.date_added}}
{{comments.text}}
Showing {{comments.replies.length}} comment

{{reply_items.topic || reply_items.text}}By {{reply_items.author}}

Not yet rated . Be the first to Write a Review
{{ [item.compatible_brand, item.sku].filter(Boolean).join(' | ') }}
|
{{ item.sold_num }} Sold

{{ lpMoneyText(detail_data.displayed_price.unit_prefix, item.displayed_price.value || item.displayed_price.min, detail_data.displayed_price.unit_suffix) }}

  • {{ lpMoneyText(detail_data.displayed_price.unit_prefix, detail_data.displayed_price.value, detail_data.displayed_price.unit_suffix) }}

    {{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}}