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LS-BL31551G-02C 1.25g bidi sfp 1310nm-tx 1550nm-rx 2km dom simplex lc smf optical transceiver module
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LINK-PP LS-BL31551G-02C 1.25G BiDi SFP 1310nm-TX/1550nm-RX 2km DOM Simplex LC SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-BL31551G-02C 1.25G BiDi SFP 1310nm-TX/1550nm-RX 2km DOM Simplex LC SMF Optical Transceiver Module
SKU
202146
P/N
LS-BL31551G-02C
Price
4,73 €
Stock
90 in Stock
Sold
910
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
21 Reviews
4 Questions
910 Sold
5.5 € 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
4,73 €
100
4,494 €
1000
4,352 €
3000
4,21 €
6000
4,068 €
Manufacture: LINK-PP P/N: LS-BL31551G-02C SKU: 202146
Compatible:
LINK-PP
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 Germany 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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Total Price:
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LINK-PP LS-BL31551G-02C 1.25G BiDi SFP Specifications

The LINK-PP LS-BL31551G-02C is a high-performance 1.25G BiDi SFP optical transceiver specifically designed for robust Gigabit Ethernet connections. Operating over single-mode fiber, this 1.25Gbps bidirectional module utilizes advanced wavelength-division multiplexing technology to transmit and receive data simultaneously. It delivers cost-effective network upgrades while ensuring excellent signal integrity across demanding data center environments.

LINK-PP Part Number LS-BL31551G-02C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1550nm-RX Max Cable Distance 2km
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-02C 1.25G BiDi SFP

This single-mode fiber optic transceiver offers exceptional networking efficiency through its compact hot-pluggable SFP form factor. Engineered for low power consumption and high reliability, the 1G fiber module seamlessly integrates into enterprise networks, optimizing fiber optic cabling resources while reducing overall infrastructure costs and maintenance complexities.

LINK-PP LS-BL31551G-02C 1.25G BiDi SFP Optical Module

As a premium networking component, this 1.25G BiDi optical module utilizes a high-quality FP laser and PIN photodetector. The hot-swappable optical transceiver ensures stable data transmission, making it an essential asset for modern telecommunications and high-speed enterprise routing setups.

LS-BL31551G-02C: 1G Connectivity for Leaf-to-Spine Architecture

Delivering seamless 1G connectivity, this optical transceiver module perfectly supports leaf-to-spine network architectures. The gigabit ethernet pluggable interface guarantees low-latency switching between network tiers, ensuring scalable data center topologies and optimized bandwidth allocation for intensive enterprise workloads.

LS-BL31551G-02C Module with 1310nm-TX and 1550nm-RX Wavelength

Featuring advanced WDM technology, the device operates seamlessly with a 1310nm-TX and 1550nm-RX wavelength configuration. This single-fiber bidirectional transmission capability effectively doubles your existing cabling capacity, providing an efficient fiber optic connectivity solution for expanding telecommunication infrastructures.

LS-BL31551G-02C Module Supporting 2km Transmission

Engineered for short to medium-range communications, this gigabit SFP module supports a reliable 2km transmission distance over standard single-mode fiber. It provides an ideal long-reach networking solution for campus interconnects, edge computing facilities, and building-to-building fiber links.

LS-BL31551G-02C Module with Simplex LC Interface

Designed with a standard simplex LC interface, this gigabit optical transceiver ensures secure and precise physical fiber connections. The single LC connector simplifies patch cord management within high-density server racks, significantly reducing installation time and cabling clutter.

LS-BL31551G-02C Module with DOM for Real-Time Monitoring

Integrated with Digital Optical Monitoring capabilities, this intelligent 1.25G transceiver allows administrators to track critical operational parameters. The real-time DOM diagnostics provide instant feedback on optical power, temperature, and voltage, enabling proactive network maintenance and preventing unexpected downtime.


LINK-PP LS-BL31551G-02C 1G SFP Certification

Ensuring global compliance, this 1G SFP module meets strict industry standards. The telecommunication-grade transceiver passes comprehensive regulatory requirements to guarantee safe, environmentally friendly, and interference-free networking operations.

Optical Transceivers Testing

Every gigabit fiber optic module undergoes a rigorous quality testing program. Our comprehensive factory inspections ensure maximum durability, consistent signal integrity, and exceptional electrical performance across diverse networking environments.

LS-BL31551G-02C Quality Certifications

This commercial-grade optical transceiver proudly holds extensive global quality certifications, including CE, FCC, UKCA, UL, and REACH. These approvals validate its robust electromagnetic compatibility and outstanding environmental safety.

LS-BL31551G-02C Certified for Reliable Host-Device Compatibility

Thoroughly certified for reliable host-device compatibility, this interoperable gigabit module works flawlessly with major switch brands. It ensures plug-and-play network integration without triggering vendor lock-in warnings or communication errors.


Rigorous Testing Ensures Reliable SFP Performance

Our advanced laboratory evaluations guarantee superior SFP performance. Each fiber optic transceiver is meticulously tested to ensure flawless continuous gigabit network transmission.

Optical

Optical Spectrum Test

Precise optical spectrum tests verify exact center wavelengths for optimal single-mode transmission stability.

Optical

Eye Pattern Test

Advanced eye pattern testing confirms excellent signal clarity and minimizes optical jitter during operation.

Optical

Bit Error Rate Test

Comprehensive bit error rate tests guarantee zero packet loss and absolute data transmission accuracy.

Optical

Temperature Test

Extreme thermal testing ensures reliable operation across the entire commercial environmental temperature range.


Product Shipping for LINK-PP LS-BL31551G-02C 1G SFP

We utilize secure packaging and efficient supply chain solutions to deliver your networking equipment safely, ensuring your optical components arrive completely intact.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Specialized anti-static shielding bags prevent electrostatic discharge damage during transit.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Customized shock-absorbing foam inserts completely protect the delicate optical interfaces.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Streamlined warehouse operations guarantee immediate order fulfillment and rapid dispatching.

Global Logistics and International Delivery

Global Logistics and International Delivery

Premium courier partnerships ensure swift and traceable worldwide international delivery.

LINK-PP LS-BL31551G-02C 1G SFP Usage Demonstration

Installing this hot-pluggable gigabit transceiver is remarkably straightforward. Simply align the SFP module with your networking switch port, insert it until the latch clicks securely, and connect your single-mode patch cable for instant high-speed network activation.

LS-BL31551G-02C 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-02C 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-02C 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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J***z
Czech Republic
Verified Purchase
5 .0
2026-07-04
DOM features work exactly as expected. Highly recommend this for enterprise gigabit routing.
W***z
Peru
Verified Purchase
5 .0
2026-06-26
Great bidirectional SFP for building-to-building fiber links. The 1310nm-TX Tx power is consistent.
A***l
Hong Kong
Verified Purchase
5 .0
2026-06-19
Works flawlessly in our edge computing setup.
J***g
Bolivia
Verified Purchase
5 .0
2026-04-15
We did a data center mass deployment with these modules. The 0-70°C operating temp handles our dense server racks well. Excellent 2km transmission distance for our leaf-to-spine architecture!
S***s
Macao
Verified Purchase
5 .0
2026-04-08
Perfect OEM compatibility on our Cisco switches! The 1.25G transmission is rock solid.
J***z
Japan
Verified Purchase
4 .0
2026-02-18
Packaging was slightly dented upon arrival, but the 1.25G BiDi module works flawlessly.
D***a
Australia
Verified Purchase
5 .0
2026-02-14
Ideal single-mode optical transceiver for our budget. 2km range is completely accurate.
R***a
Norway
Verified Purchase
5 .0
2026-02-08
Seamless gigabit fibre channel connectivity!
D***z
Turkey
Verified Purchase
5 .0
2026-01-30
Cost-effective fiber optic connectivity solution.
A***r
Ecuador
Verified Purchase
5 .0
2026-01-27
Fast delivery and perfect MSA compliance.
J***n
Colombia
Verified Purchase
5 .0
2026-01-07
The simplex LC connector snapped in perfectly. Good module for our campus networking nodes.
M***z
Austria
Verified Purchase
5 .0
2025-11-21
Using this for cell tower backhaul. The single-mode fiber connection is incredibly stable, and the DOM diagnostics give us real-time peace of mind in the outdoor cabinet setup.
M***r
Chile
Verified Purchase
5 .0
2025-10-07
Top-notch 1.25G BiDi module for the price.
L***l
Panama
Verified Purchase
5 .0
2025-09-13
Simplex LC interface is a huge space saver.
T***s
Finland
Verified Purchase
5 .0
2025-04-26
Integrated this 1G transceiver alongside my home 10G NAS network for remote access. The Simplex LC interface saves physical space, and the gigabit ethernet protocol runs without any packet loss.
E***l
Philippines
Verified Purchase
5 .0
2025-04-16
WDM technology at its finest. Love it.
J***z
Venezuela
Verified Purchase
5 .0
2025-04-15
Tested this 1310nm-TX/1550nm-RX BiDi SFP across a multi-brand switch compatibility test. MSA compliance is spot on! DDM readouts are highly accurate for our campus fiber networking. Solid performance.
D***n
United States
Verified Purchase
5 .0
2025-04-02
Handled the 0-70°C commercial temperature range effortlessly in our slightly warm telco rack.
E***n
Kuwait
Verified Purchase
5 .0
2025-04-02
DDM diagnostics are extremely helpful.
P***k
Morocco
Verified Purchase
5 .0
2025-03-11
Reliable 2km SMF link, highly recommended.
L***r
Switzerland
Verified Purchase
5 .0
2024-12-25
Excellent fast ethernet protocol support. Will definitely order more for future batch deployments!
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