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LS-BL31551G-03C 1g sfp bidi 1310nm-tx 1550nm-rx 3km simplex lc dom smf optical transceiver module
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LINK-PP LS-BL31551G-03C 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex LC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-BL31551G-03C 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex LC DOM SMF Optical Transceiver Module
SKU
215435
P/N
LS-BL31551G-03C
Price
$ 6.5
Stock
910 in Stock
Sold
1.9K
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
22 Reviews
4 Questions
1.9K Sold
$ 6.5 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 6.5
100
$ 6.175
1000
$ 5.98
3000
$ 5.785
6000
$ 5.59
Manufacture: LINK-PP P/N: LS-BL31551G-03C SKU: 215435
Compatible P/N:
LS-BL31551G-02C | 2km
LS-BL55311G-02C | 2km
LS-BL31551G-03C | 3km
LS-BL31551G-03I | 3km
LS-BL55311G-03C | 3km
LS-BL55311G-03I | 3km
LS-BL31491G-10C | 10km
LS-BL31491G-10I | 10km
LS-BL31551G-10C | 10km
LS-BL31551G-10I | 10km
LS-BL31551GE-10C | 10km
LS-BL49311G-10C | 10km
LS-BL49311G-10I | 10km
LS-BL49551G-10C | 10km
LS-BL49551G-10I | 10km
LS-BL55311G-10C | 10km
LS-BL55311G-10I | 10km
LS-BL55311GE-10C | 10km
LS-BL55491G-10C | 10km
LS-BL55491G-10I | 10km
LS-BL31551G-15C | 15km
LS-BL31491G-20C | 20km
LS-BL31491G-20I | 20km
LS-BL31551G-20C | 20km
LS-BL31551G-20I | 20km
LS-BL49311G-20C | 20km
LS-BL49311G-20I | 20km
LS-BL49551G-20C | 20km
LS-BL55311G-20C | 20km
LS-BL55311G-20I | 20km
LS-BL55491G-20C | 20km
LS-BL31491G-40C | 40km
LS-BL31491G-40I | 40km
LS-BL31551G-40C | 40km
LS-BL31551G-40I | 40km
LS-BL49311G-40C | 40km
LS-BL49311G-40I | 40km
LS-BL55311G-40C | 40km
LS-BL55311G-40I | 40km
LS-BL31551G-60C | 60km
LS-BL31551G-60I | 60km
LS-BL49551G-60C | 60km
LS-BL55311G-60C | 60km
LS-BL55311G-60I | 60km
LS-BL55491G-60C | 60km
LS-BL27331G-80C | 80km
LS-BL33271G-80C | 80km
LS-BL49551G-80C | 80km
LS-BL49551G-80I | 80km
LS-BL55491G-80C | 80km
LS-BL55491G-80I | 80km
LS-BL49551G-A0C | 100km
LS-BL49551G-A0I | 100km
LS-BL55491G-A0C | 100km
LS-BL55491G-A0I | 100km
LS-BL49551G-A2C | 120km
LS-BL49551G-A2I | 120km
LS-BL55491G-A2C | 120km
LS-BL55491G-A2I | 120km
LS-BL49551G-A5C | 150km
LS-BL49551G-A5I | 150km
LS-BL55491G-A5C | 150km
LS-BL55491G-A5I | 150km
LS-BL49551G-A6C | 160km
LS-BL49551G-A6I | 160km
LS-BL55491G-A6C | 160km
LS-BL55491G-A6I | 160km
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:
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Quantity:
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Total Price:
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LINK-PP LS-BL31551G-03C 1G BiDi SFP Specifications

The LINK-PP LS-BL31551G-03C is a high-performance 1G BiDi SFP transceiver engineered for reliable Gigabit Ethernet links. Operating over single-mode fiber, this module supports a 1.25Gbps data rate and covers transmission distances up to 3km. It leverages standard Simplex LC connectors and advanced WDM technology, making it an ideal cost-effective solution for optimizing fiber network infrastructure.

LINK-PP Part Number LS-BL31551G-03C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1550nm-RX Max Cable Distance 3km
Connector Simplex LC Media SMF
Transmitter Type
FP Receiver Type
PIN
TX Power -15 to -8dBm RX Power -23 to -1dBm
Receiver Sensitivity <-23dBm DOM Support Yes
Operating Temperature Range 0 to 70°C Protocols

Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Key Features of LINK-PP LS-BL31551G-03C 1G BiDi SFP

This LINK-PP 1G BiDi SFP optical transceiver boasts exceptional hot-pluggable capabilities for seamless integration into existing network setups. It strictly complies with SFP MSA and SFF-8472 standards. Featuring low power consumption and robust laser safety, the LS-BL31551G-03C ensures stable, long-lasting connectivity.

LINK-PP LS-BL31551G-03C 1G BiDi SFP Optical Module

Built with premium components, the LINK-PP LS-BL31551G-03C 1G BiDi SFP optical module provides outstanding signal integrity. Its single-mode fiber design maximizes data transfer efficiency, offering network administrators a reliable and scalable Gigabit Ethernet communication solution.

LS-BL31551G-03C: 1G Connectivity for Campus Networks

The LS-BL31551G-03C excels in upgrading Gigabit Ethernet infrastructure across enterprise environments. Delivering robust 1G connectivity for campus networks, this BiDi SFP minimizes cabling costs while maintaining secure, high-speed data transmission between different building facilities.

LS-BL31551G-03C Module with 1310nm-TX and 1550nm-RX Wavelength

Utilizing wavelength-division multiplexing, the LS-BL31551G-03C module operates with a 1310nm-TX and 1550nm-RX wavelength over a single fiber strand. This single-fiber bidirectional transmission doubles your network capacity, optimizing available optical infrastructure without deploying additional cables.

LS-BL31551G-03C Module Supporting 3km Transmission

Engineered for medium-range fiber links, the LS-BL31551G-03C module supports up to 3km transmission over standard SMF. This reach perfectly accommodates local area networks and industrial interconnects, guaranteeing lossless optical signals throughout the entire distance.

LS-BL31551G-03C Module with Simplex LC Interface

Equipped with an industry-standard connector, the LS-BL31551G-03C module features a simplex LC interface. This precise optical receptacle ensures secure fiber patching, minimal insertion loss, and effortless physical maintenance within high-density network switches and routers.

LS-BL31551G-03C Module with DOM for Real-Time Monitoring

Designed with intelligent management features, the LS-BL31551G-03C module includes DOM for real-time monitoring. Network engineers can proactively track critical transceiver diagnostics, such as temperature, optical power, and voltage, ensuring uninterrupted network stability and performance.


LINK-PP LS-BL31551G-03C 1G SFP Certification

Every LINK-PP LS-BL31551G-03C 1G SFP undergoes comprehensive evaluation to meet international networking standards. Our rigorous validation processes guarantee exceptional reliability, safety, and compliance for enterprise telecommunications.

Optical Transceivers Testing

The LS-BL31551G-03C quality testing program evaluates every transceiver under extreme conditions. We systematically analyze optical performance, electrical stability, and mechanical durability to prevent network failures.

LS-BL31551G-03C Quality Certifications

Boasting extensive industry approvals, the LS-BL31551G-03C quality certifications include RoHS, CE, and FDA Class 1 laser safety standards, ensuring eco-friendly and perfectly safe operational deployments.

LS-BL31551G-03C Certified for Reliable Host-Device Compatibility

The LS-BL31551G-03C is certified for reliable host-device compatibility. It works seamlessly with major networking equipment, preventing vendor lock-in and eliminating recognition errors during system integration.


Rigorous Testing Ensures Reliable SFP Performance

Rigorous testing ensures reliable SFP performance across various networking environments. Each LINK-PP module completes advanced factory diagnostics before reaching your network.

Optical

Optical Spectrum Test

The optical spectrum test verifies precise wavelength accuracy and spectral width limits.

Optical

Eye Pattern Test

An eye pattern test guarantees high signal clarity and minimal timing jitter.

Optical

Bit Error Rate Test

The bit error rate test ensures flawless data transmission across continuous operations.

Optical

Temperature Test

Extensive temperature testing confirms thermal stability under demanding network switch conditions.


Product Shipping for LINK-PP LS-BL31551G-03C 1G SFP

We prioritize secure product shipping for the LINK-PP LS-BL31551G-03C 1G SFP, utilizing advanced packaging solutions to protect your optical modules globally.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Specialized anti-static protective packaging shields components from electrostatic discharge damage.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Custom shock-resistant transport protection safeguards delicate optics against transit vibrations.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Our fast order processing and dispatch procedures ensure minimal waiting times.

Global Logistics and International Delivery

Global Logistics and International Delivery

Reliable global logistics and international delivery guarantee prompt worldwide arrivals.

LINK-PP LS-BL31551G-03C 1G SFP Usage Demonstration

Installing the LINK-PP LS-BL31551G-03C 1G SFP is remarkably simple. Gently slide the hot-pluggable transceiver into your compatible switch port until it clicks, then connect your single-mode fiber patch cord directly into the simplex LC receptacle.

LS-BL31551G-03C 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-BL31551G-03C 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-BL31551G-03C 1G 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

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T***n
Sweden
Verified Purchase
5 .0
2026-05-21
Clean simplex LC interface, zero insertion loss. ✅
J***r
Greece
Verified Purchase
5 .0
2026-04-17
Deployed these 1G BiDi 1310nm/1550nm modules for a campus fiber network upgrade. The DOM support is accurate in our Cisco switches, and 3km reach over SMF is spot on.
R***z
Russian Federation
Verified Purchase
5 .0
2026-04-09
Fast delivery and perfect performance. These single mode fiber modules are exactly what we needed.
C***s
Poland
Verified Purchase
5 .0
2026-02-21
Great simplex LC module for the price.
R***n
Philippines
Verified Purchase
5 .0
2026-02-13
3km transmission reach is verified and stable.
R***a
Netherlands
Verified Purchase
5 .0
2026-02-11
Perfect for our home gigabit NAS link. SFP MSA compatibility is precisely as advertised.
J***l
Spain
Verified Purchase
5 .0
2025-11-29
Good operating temps for indoor racks. Absolutely no issues with Ubiquiti switch compatibility so far.
S***a
Austria
Verified Purchase
5 .0
2025-11-04
Flawless SFP MSA compatibility out of the box! ✨
J***r
Peru
Verified Purchase
5 .0
2025-10-25
DOM monitoring is super accurate on these.
J***e
Viet Nam
Verified Purchase
5 .0
2025-09-15
These SFP BiDi modules run smoothly at 1.25Gbps. Great value for short-haul 3km SMF runs.
M***z
Czech Republic
Verified Purchase
4 .0
2025-09-10
Good 1G BiDi SFP modules, but the outer box was slightly crushed. Performance unaffected.
A***s
Singapore
Verified Purchase
5 .0
2025-06-29
Needed reliable 3km SMF optics for a quick hub-to-spoke network build. These slotted right into the media converters without any hiccups. Great RX sensitivity and clean optical power levels. (^_^)b
A***l
Belgium
Verified Purchase
5 .0
2025-06-28
Solid 1G simplex LC transceiver. Saved us a ton of fiber strands for our LAN!
D***n
Costa Rica
Verified Purchase
5 .0
2025-06-17
The 1310nm-TX/1550nm-RX pair linked up instantly. Reliable 1G BiDi SFP for everyday IT tasks.
J***s
Panama
Verified Purchase
5 .0
2025-05-22
Reliable indoor 0-70°C SFP optic module.
J***s
Netherlands
Verified Purchase
5 .0
2025-03-18
Works perfectly for our SMF campus network.
A***z
Switzerland
Verified Purchase
5 .0
2025-03-09
Tested the LINK-PP LS-BL31551G-03C on multiple OEM gear including Ubiquiti and Netgear. Flawless 1.25G throughput for our enterprise NAS backbone. Runs cool well within the 0-70°C indoor temp range.
R***r
Norway
Verified Purchase
5 .0
2024-12-27
Best cost-effective 1G BiDi transceiver available!
J***z
Finland
Verified Purchase
5 .0
2024-12-17
Upgraded our park's optical network with LS-BL31551G-03C units. Extremely stable Fast Ethernet protocol support.
D***s
France
Verified Purchase
5 .0
2024-11-16
Linked up instantly at 1310nm/1550nm. ⚡
S***s
Kuwait
Verified Purchase
5 .0
2024-11-10
True plug and play 1G BiDi SFP.
C***n
Portugal
Verified Purchase
5 .0
2024-11-04
Excellent MSA compliant 1G module for our datacenter deployment. Slicing fiber count in half with Simplex LC BiDi is a huge cost saver for our 2km cross-connects. Will buy bulk.
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