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LS-BL55311G-10I 1g bidi sfp 1550nm-tx 1310nm-rx 10km dom simplex lc smf optical transceiver module (industrial)
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LINK-PP LS-BL55311G-10I 1G BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Simplex LC SMF Optical Transceiver Module (Industrial)

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Product summary

Product
LINK-PP LS-BL55311G-10I 1G BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Simplex LC SMF Optical Transceiver Module (Industrial)
SKU
183749
P/N
LS-BL55311G-10I
Price
$ 7.9
Stock
690 in Stock
Sold
710
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
27 Reviews
3 Questions
710 Sold
$ 7.9 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 7.9
100
$ 7.505
1000
$ 7.268
3000
$ 7.031
6000
$ 6.794
Manufacture: LINK-PP P/N: LS-BL55311G-10I SKU: 183749
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:
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Quantity:
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Total Price:
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LINK-PP LS-BL55311G-10I 1G BiDi SFP Specifications

The LINK-PP LS-BL55311G-10I is a 1G BiDi transceiver that provides a reliable data rate of 1.25 Gbps over single-mode fiber for distances up to 10 km. It uses a 1550nm transmit/1310nm receive wavelength pair to allow efficient two-way communication on just one fiber.

LINK-PP Part Number LS-BL55311G-10I Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1550nm-TX/1310nm-RX Max Cable Distance 10km
Connector Simplex LC Media SMF
Transmitter Type DFB BiDi Receiver Type

PIN

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

Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Key Features of LINK-PP LS-BL55311G-10I 1G BiDi SFP

Get reliable, medium-distance connectivity with the LINK-PP LS-BL55311G-10I, a 1G BiDi optical module built for industrial use. It delivers 1.25 Gbps data transfer up to 10 km and supports full-duplex communication over a single fiber, giving you rugged, stable performance even in harsh environments.

LINK-PP LS-BL55311G-10I 1G BiDi SFP Optical Module

Thanks to its DFB laser and PIN receiver with precisely matched transmit and receive wavelengths, the LINK-PP LS-BL55311G-10I optical module enables highly efficient single-fiber bidirectional communication. It also maintains excellent optical stability and preserves dependable signal integrity.

LS-BL55311G-10I: Reliable 1.25 Gbps Connectivity for Efficient Gigabit Connectivity

The LINK-PP LS-BL55311G-10I BiDi SFP module delivers dependable 1.25 Gbps data transmission with low latency, making it an ideal solution for Gigabit Ethernet applications requiring solid performance and easy fiber deployment.

LS-BL55311G-10I Module with 1550nm-TX/1310nm-RX Wavelength

This LINK-PP LS-BL55311G-10I BiDi SFP module, with a transmit and receive wavelength of 1550nm and 1310nm, enables bidirectional data flow over a single-mode fiber, boosting fiber utilization, streamlining cabling layout, and minimizing network expansion costs.

LS-BL55311G-10I Module Supporting 10km Transmission

The LINK-PP LS-BL55311G-10I 1G BiDi SFP module provides reliable medium-range connectivity over single-mode fiber for up to 10 km, ideal for campus networks, enterprise backbones, security systems, and industrial control networks.

LS-BL55311G-10I Module with Simplex LC Interface

Thanks to the simplex LC interface's dual-function port (transmit + receive), fiber needs drop, cable routing becomes simpler, and deployment costs shrink significantly.

LS-BL55311G-10I Module with DOM for Real-Time Monitoring

The LINK-PP LS-BL55311G-10I 1G BiDi SFP module incorporates DOM capabilities for accurate real-time tracking of temperature, voltage, and optical power levels, simplifying maintenance, speeding up problem detection, and decreasing downtime.


LINK-PP LS-BL55311G-10I 1G BiDi SFP Certification

With ISO 9001-certified processes and full compliance with CE, RoHS, and FCC standards, each LINK-PP module delivers refined quality and dependable optical performance.

Optical Transceivers Testing

Every unit is rigorously evaluated to guarantee performance stability in real-world environments.

LS-BL55311G-10I Quality Certifications

Manufactured in accordance with global standards for durability and compliance.

LS-BL55311G-10I Certified for Reliable Host-Device Compatibility

Tested extensively with LINK-PP devices for stable recognition and reliable long-term operation.


Rigorous Testing Ensures Reliable SFP Performance

Strict quality checks ensure optimal signal integrity and system reliability. Visit the LINK-PP Test Support Center to learn more.

Optical

Optical Spectrum Test

Checks wavelength precision for compliant operation.

Optical

Eye Pattern Test

Ensures clear and stable optical signals.

Optical

Bit Error Rate Test

Validates low BER for dependable data flow.

Optical

Temperature Test

Enables reliable performance under temperature changes.


Product Shipping for LINK-PP LS-BL55311G-10I 1G BiDi SFP

LINK-PP combines protective packaging with efficient global logistics to ensure every module reaches you in perfect condition.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Static-shielding packaging defends sensitive components from ESD.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Heavy-duty packaging protects against shocks and vibration.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Efficient dispatch systems ensure fast order shipment.

Global Logistics and International Delivery

Global Logistics and International Delivery

Global logistics partnerships enable reliable worldwide delivery.

LINK-PP LS-BL55311G-10I 1G BiDi SFP Usage Demonstration

Ideal for industrial Ethernet, enterprise fiber access, security backbones, FTTH, telecom edge networks, and remote monitoring, this LINK-PP LS-BL55311G-10I 1G BiDi SFP module combines stable 10 km transmission, industrial durability, and single-fiber efficiency. It offers an excellent solution for cost-sensitive yet reliability-critical new installations and network upgrades.

LS-BL55311G-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-BL55311G-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-BL55311G-10I 1G BiDi 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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E***z
United Kingdom
Verified Purchase
4 .0
2026-06-20
Product works as expected, but the outer packaging could be improved. The modules arrived safely and performance is still excellent.
M***z
Cambodia
Verified Purchase
5 .0
2026-04-26
Great value and reliable performance.
J***z
Singapore
Verified Purchase
5 .0
2026-04-07
Affordable and dependable fiber optic solution.
A***r
France
Verified Purchase
5 .0
2026-04-03
Stable 1Gbps connection for our fiber backbone.
P***n
Japan
Verified Purchase
4 .0
2026-01-08
Shipping took a little longer than expected and the box had minor damage, but the SFP module itself works perfectly with our 1G network equipment.
E***n
Turkey
Verified Purchase
5 .0
2025-11-02
Exactly what we needed for simplex fiber connectivity. =D
A***n
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2025-10-24
These 1G BiDi SFP 10km modules replaced our old optics easily. The industrial temperature range is useful for our outdoor telecom cabinets where normal SFPs were unreliable.
B***s
Iran, Islamic Republic of
Verified Purchase
5 .0
2025-10-09
Installed in outdoor access nodes and telecom cabinets. The -40°C to +85°C industrial temperature support gives us confidence for harsh environments.
R***r
Argentina
Verified Purchase
5 .0
2025-09-15
Good quality industrial 1G SFP module with OEM compatibility.
V***n
Bulgaria
Verified Purchase
5 .0
2025-07-07
Great module for fiber network upgrades.
K***r
Ireland
Verified Purchase
5 .0
2025-05-02
We tested these 1550nm-TX/1310nm-RX BiDi SFP modules with our network switches before a large rollout. The compatibility was excellent, and the 10km range matched our site requirements.
P***e
Russian Federation
Verified Purchase
5 .0
2025-04-26
Nice alternative to expensive OEM optics. Tested LS-BL55311G-10I with different branded equipment and all links came up immediately.
N***s
Argentina
Verified Purchase
5 .0
2025-04-01
Works well for remote office fiber links. Simple setup and stable connection :-)
H***s
Bulgaria
Verified Purchase
5 .0
2025-01-25
Good optical budget and easy installation. The simplex LC SMF interface is exactly what our project needed :-D
R***t
New Zealand
Verified Purchase
5 .0
2025-01-08
We deployed a batch of these 1000BASE-BX10 compatible SFP modules for remote sites. They passed our compatibility tests with multiple OEM switches without any coding problems.
R***s
Netherlands
Verified Purchase
5 .0
2024-12-31
Bought for a warehouse network upgrade. The industrial SFP modules handled temperature changes better than standard commercial units. DOM readings are accurate and helpful for troubleshooting.
W***s
United Kingdom
Verified Purchase
5 .0
2024-09-15
Solid industrial SFP transceiver, no issues so far =)
B***k
Lithuania
Verified Purchase
5 .0
2024-07-24
Good replacement optics for enterprise deployments.
A***z
Ireland
Verified Purchase
5 .0
2024-07-19
Used these BiDi SFP transceivers for a small data center interconnect. Low power consumption, accurate DOM monitoring, and consistent optical performance made deployment simple.
D***n
Netherlands
Verified Purchase
5 .0
2024-06-30
We use these in base station backhaul links. The 1550nm transmit and 1310nm receive configuration matched our existing BiDi deployment perfectly.
O***r
Brazil
Verified Purchase
5 .0
2024-06-27
Used LS-BL55311G-10I for campus network expansion. The simplex LC design saved fiber resources, and DOM monitoring helps our team check optical levels remotely during maintenance.
J***z
Australia
Verified Purchase
5 .0
2024-05-01
Works perfectly with our enterprise switches :)
A***n
Finland
Verified Purchase
5 .0
2024-04-30
Fast deployment, clean diagnostics, great compatibility.
E***a
Brunei Darussalam
Verified Purchase
5 .0
2024-03-07
Reliable 1000BASE-BX10 optical transceiver for long distance connections.
J***y
Brunei Darussalam
Verified Purchase
5 .0
2024-01-19
Installed these 1G BiDi SFP modules in outdoor cabinets and they have been stable for months. The 1550nm TX and 1310nm RX wavelength pairing works well over our 10km single-mode fiber runs.
T***s
Austria
Verified Purchase
5 .0
2024-01-13
Our NOC team installed over 50 units across different locations. The 10km single-mode fiber transmission has been stable, and DDM information makes remote support much easier.
A***z
Germany
Verified Purchase
5 .0
2024-01-13
Perfect fit for our industrial fiber links :)
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