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LS-BL31551G-10I 1g sfp bidi 1310nm-tx 1550nm-rx 10km simplex lc dom smf optical transceiver module (industrial)
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LINK-PP LS-BL31551G-10I 1G SFP BiDi 1310nm-TX/1550nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module (Industrial)

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Product summary

Product
LINK-PP LS-BL31551G-10I 1G SFP BiDi 1310nm-TX/1550nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU
181235
P/N
LS-BL31551G-10I
Price
$ 7.25
Stock
778 in Stock
Sold
1.3K
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
35 Reviews
5 Questions
1.3K Sold
$ 7.25 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 7.25
100
$ 6.888
1000
$ 6.67
3000
$ 6.453
6000
$ 6.235
Manufacture: LINK-PP P/N: LS-BL31551G-10I SKU: 181235
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 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:
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LINK-PP LS-BL31551G-10I 1G BiDi SFP Specifications

The LINK-PP LS-BL31551G-10I 1G BiDi SFP transceiver delivers high-performance networking with its compact small form-factor pluggable design. This industrial-grade SFP optical module supports reliable gigabit data rates, ensuring efficient single-fiber bidirectional transmission over long distances. Engineered for harsh environmental conditions, it meets strict industrial standards, providing a cost-effective solution for modern enterprise network architectures.

LINK-PP Part Number LS-BL31551G-10I Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1550nm-RX Max Cable Distance 10km
Connector Simplex LC Media SMF
Transmitter Type FP Receiver Type

PIN

TX Power -9 to 0dBm RX Power -23 to -1dBm
Receiver Sensitivity <-23dBm DOM Support Yes
Operating Temperature Range -40 to 85°C Protocols

Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Key Features of LINK-PP LS-BL31551G-10I 1G BiDi SFP

This industrial-grade 1G BiDi SFP transceiver features an optimized design for seamless hot-swapping functionality. It includes digital optical monitoring capabilities for real-time diagnostics, a simplex LC connector to minimize fiber cabling infrastructure costs, and a rugged layout built to withstand extreme temperatures in demanding industrial environments.

LINK-PP LS-BL31551G-10I 1G BiDi SFP Optical Module

The LINK-PP LS-BL31551G-10I 1G SFP optical module is designed for gigabit ethernet applications. It offers high-speed transmission efficiency and exceptional structural reliability, making it ideal for robust industrial networking deployments.

LS-BL31551G-10I: 1G Connectivity for Telecom Networks

Providing seamless 1G connectivity, the LS-BL31551G-10I transceiver satisfies strict telecom network requirements. It ensures stable, long-distance broadband transmission, allowing telecommunication service providers to optimize infrastructure capacity and enhance network operational efficiency.

LS-BL31551G-10I Module with 1310nm-TX and 1550nm-RX Wavelength

Operating with a 1310nm-TX transmitter and a 1550nm-RX receiver, the LS-BL31551G-10I optical module utilizes WDM technology. This enables simultaneous bidirectional data traffic over a single fiber strand, doubling fiber utilization efficiency.

LS-BL31551G-10I Module Supporting 10km Transmission

Designed for long-range deployment, this LS-BL31551G-10I SFP module supports transmission distances up to 10km over single-mode fiber. It provides adequate optical power budget for stable connections across extensive factory sites or metropolitan networks.

LS-BL31551G-10I Module with Simplex LC Interface

Equipped with a standard simplex LC interface, the LS-BL31551G-10I module ensures stable alignment and low insertion loss. The compact single-fiber LC design greatly simplifies fiber optic patch cord management in dense enterprise switch racks.

LS-BL31551G-10I Module with DOM for Real-Time Monitoring

Featuring built-in DOM functionality, the LS-BL31551G-10I optical transceiver allows network administrators to monitor operating temperature, voltage, and laser power in real time. This proactive diagnostics capability ensures maximum uptime and prevents network failures.


LINK-PP LS-BL31551G-10I 1G SFP Certification

The LINK-PP LS-BL31551G-10I 1G SFP module complies with strict international compliance standards, ensuring proper hardware certification, safety operations, and standard environmental sustainability across global industrial networks.

Optical Transceivers Testing

Each LS-BL31551G-10I transceiver undergoes a meticulous quality testing program, validating hardware endurance and multi-vendor compatibility before shipment to meet strict enterprise performance requirements.

LS-BL31551G-10I Quality Certifications

Holding standard industrial quality certifications including CE, FCC, and RoHS, the LS-BL31551G-10I ensures safety, reliable operational integrity, and strict environmental compliance for global telecommunications equipment.

LS-BL31551G-10I Certified for Reliable Host-Device Compatibility

Fully compliant with SFP MSA standards, the LS-BL31551G-10I is certified for reliable host-device compatibility, ensuring plug-and-play operations with switches from Cisco, Mikrotik, and other brands.


Rigorous Testing Ensures Reliable SFP Performance

Our comprehensive, rigorous testing procedures guarantee that every SFP transceiver delivers optimal data rate performance, extreme durability, and absolute network communication reliability.

Optical

Optical Spectrum Test

This test verifies precise 1310nm and 1550nm wavelength stability and central frequency alignment.

Optical

Eye Pattern Test

It analyzes optical signal waveforms to ensure clean, jitter-free gigabit data transmission quality.

Optical

Bit Error Rate Test

This process confirms zero-packet loss data integrity under full 1.25 Gbps network loads.

Optical

Temperature Test

It validates stable SFP operations across wide industrial temperatures from -40°C to +85°C.


Product Shipping for LINK-PP LS-BL31551G-10I 1G SFP

We implement highly secure logistics practices to guarantee safe product shipping for every LINK-PP LS-BL31551G-10I 1G SFP transceiver worldwide.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Every single optical module is sealed in anti-static protective packaging.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Thick foam shielding provides exceptional shock-resistant transport protection during international shipping.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Efficient internal workflows guarantee fast order processing and rapid dispatch from warehouses.

Global Logistics and International Delivery

Global Logistics and International Delivery

Reliable express partnerships facilitate global logistics and fast international delivery directly to customers.

LINK-PP LS-BL31551G-10I 1G SFP Usage Demonstration

The LINK-PP LS-BL31551G-10I 1G SFP usage demonstration illustrates simple installation into a network switch. This guide highlights direct plug-and-play setup, fiber cable connection, and successful link status verification via the system management interface.

LS-BL31551G-10I 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-10I 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-10I 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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D***n
Viet Nam
Verified Purchase
5 .0
2026-05-02
Solid build quality for an industrial SFP module. It handles the 85°C heat effortlessly.
C***z
United States
Verified Purchase
5 .0
2026-02-07
Highly cost-effective for bulk data center deployment. I will definitely order more of these soon.
D***e
Belgium
Verified Purchase
5 .0
2025-11-29
Deployed these 1G BiDi 10km modules in outdoor cabinets (-40 to 85°C). The DOM readings are spot on. Perfectly compatible with our Cisco and Juniper edge switches for cell tower backhaul.
J***e
Portugal
Verified Purchase
5 .0
2025-09-30
Using this 1310nm-TX/1550nm-RX optic for a campus fiber network upgrade. The Simplex LC connector saves fiber strands, and DOM makes troubleshooting easy. Exceptional cost-to-performance ratio for large-scale enterprise deployments!
J***n
Singapore
Verified Purchase
5 .0
2025-09-21
We procured a batch of these industrial SFP transceivers for harsh factory environments. Flawless 1.25Gbps performance even at extreme temps. OEM compatibility was plug-and-play without any coding headaches. Highly recommended.
B***e
Norway
Verified Purchase
5 .0
2025-08-24
MSA compliant 1G optic that actually works well with third-party switches. Huge money saver!
J***g
Finland
Verified Purchase
5 .0
2025-07-30
Top tier MSA compliant 1G optic.
A***r
Ecuador
Verified Purchase
5 .0
2025-06-26
DOM feature is a lifesaver! (^_^)
R***a
India
Verified Purchase
5 .0
2025-05-25
DOM support works flawlessly on our Mikrotik edge switches. Great buy for enterprise procurement.
A***n
France
Verified Purchase
5 .0
2025-04-17
Perfect Cisco compatible 1G SFP for our server room. No packet loss at all!
D***g
Italy
Verified Purchase
5 .0
2025-04-15
Good 1G BiDi SFP. Easy install!
M***s
Israel
Verified Purchase
5 .0
2025-04-13
Great industrial SFP. Survives our outdoor cabinets.
L***e
Argentina
Verified Purchase
5 .0
2025-04-08
Fast delivery, great 10km transmission distance.
J***z
Ecuador
Verified Purchase
5 .0
2025-03-31
Plug and play, no coding required.
L***l
Italy
Verified Purchase
5 .0
2025-03-05
Tested this MSA compliant 1G optic in my home NAS rack alongside multi-brand gear. No compatibility errors on Ubiquiti! The SMF transmission holds strong over our 8km warehouse run.
T***g
Denmark
Verified Purchase
5 .0
2025-02-28
Awesome 1G BiDi SFP 10km! It solved my campus network fiber strand shortage instantly. :)
A***s
United Kingdom
Verified Purchase
5 .0
2025-02-06
Perfect Simplex LC optic. No issues here.
B***k
Finland
Verified Purchase
5 .0
2025-01-12
Exactly as described for SMF connections.
T***z
Ireland
Verified Purchase
4 .0
2025-01-04
Great 1G BiDi SFP, though I wish the standard shipping to Europe was faster.
S***n
Dominican Republic
Verified Purchase
5 .0
2025-01-03
The 1310nm/1550nm BiDi SFP links up instantly. Excellent for our outdoor IP camera backhaul.
W***r
Argentina
Verified Purchase
5 .0
2025-01-02
Works flawlessly for our campus fiber network.
S***k
Macao
Verified Purchase
5 .0
2024-12-25
Reliable Simplex LC transceiver for my home lab NAS setup. Truly plug and play.
P***n
Netherlands
Verified Purchase
5 .0
2024-11-23
Solid Cisco compatible 1G SFP. Thanks!
R***o
Spain
Verified Purchase
5 .0
2024-07-09
On a summit, my partner introduced l-p.com and thought highly of their good products and service. Then I wanted to have a try. I have to say both the customer support and account manager are very professional.
V***v
Singapore
Verified Purchase
5 .0
2024-03-10
I found the 100 Base-T 10/25/40G Transceiver Modules I needed quickly, at one-third the price being asked at my local electronics retail store.
H***g
Palestinian Territory, Occupied
Verified Purchase
5 .0
2024-02-20
Fast shipping - good quality - probably buy another model here soon
D***y
United States
Verified Purchase
5 .0
2024-02-14
Fast and reliable. I'd recommend them to anyone.
R***s
Macao
Verified Purchase
5 .0
2024-01-11
Quality products,Quality service,And Fast delivery highly recommend.
R***n
United States
Verified Purchase
5 .0
2024-01-03
I received a timely reply about the product I needed and ordering it was easy.
E***l
Italy
Verified Purchase
5 .0
2023-11-23
Pre sales and technical support were fantastic. The product is of high quality and worked first time.
I***f
Norway
Verified Purchase
5 .0
2023-10-10
Very good and consistent product.
H***f
United States
Verified Purchase
5 .0
2023-07-26
Delivery is very Fast and their service is also very good. Waiting for their working performance in the near future.
S***a
Hungary
Verified Purchase
5 .0
2023-05-25
I just ordered 2pcs 10/25/40G Transceiver Modules for my personal use, it has so far worked great and everything was very well , which has been a great experience.
C***z
Belarus
Verified Purchase
5 .0
2023-04-19
Fast Respond Right Information
M***t
Bulgaria
Verified Purchase
5 .0
2023-04-12
The entire team was super helpful ,It was delivered very Fast and work perfectly with my switch. I would definitely buy from l-p.com again.
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