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

Language: English
  1. English
  2. Русский
  3. Português
  4. Español
  5. Nederlands
  6. Français
  7. Italiano
  8. Deutsch
  9. العربية
  10. Ελληνικά
  11. にほんご
  12. 한국어
  13. Tiếng Việt
  14. Indonesian
  15. Thai
Currency: USD
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
  • 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.

Language
  1. English
  2. Русский
  3. Português
  4. Español
  5. Français
  6. Italiano
  7. Deutsch
  8. العربية
  9. にほんご
  10. Tiếng Việt
  11. Indonesian
  12. Thai
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-BL55491G-A0C 1g sfp bidi 1550nm-tx 1490nm-rx 100km simplex lc dom smf optical transceiver module
Click to open expanded view

LINK-PP LS-BL55491G-A0C 1G SFP BiDi 1550nm-TX/1490nm-RX 100km Simplex LC DOM SMF Optical Transceiver Module

Add to wish Compare

Product summary

Product
LINK-PP LS-BL55491G-A0C 1G SFP BiDi 1550nm-TX/1490nm-RX 100km Simplex LC DOM SMF Optical Transceiver Module
SKU
184888
P/N
LS-BL55491G-A0C
Price
$ 27.1
Stock
1100 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
$ 27.1 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 27.1
100
$ 25.745
1000
$ 24.932
3000
$ 24.119
6000
$ 23.306
Manufacture: LINK-PP P/N: LS-BL55491G-A0C SKU: 184888
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:
{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.total }}
{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

LINK-PP LS-BL55491G-A0C 1G BiDi SFP Specifications

The LINK-PP LS-BL55491G-A0C 1G BiDi SFP transceiver offers exceptional optical networking capabilities. This commercial-grade fiber optic module operates at 1.25Gbps over single-mode fiber. Featuring a highly efficient DFB laser and PIN detector, it guarantees reliable, long-distance data transmission, making this 1G SFP BiDi module an ideal choice for enterprise networks.

LINK-PP Part Number LS-BL55491G-A0C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1550nm-TX/1490nm-RX Max Cable Distance 100km
Connector Simplex LC Media SMF
Transmitter Type DFB Receiver Type

PIN

TX Power 0 to +5dBm RX Power -28 to -1dBm
Receiver Sensitivity <-28dBm DOM Support Yes
Operating Temperature Range 0 to 70°C Protocols

Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Key Features of LINK-PP LS-BL55491G-A0C 1G BiDi SFP

This high-performance LINK-PP 1G SFP BiDi transceiver delivers robust connectivity solutions. It combines advanced wavelength division multiplexing technology with hot-pluggable convenience. Designed for cost-effective network expansion, this fiber optic transceiver ensures seamless integration, low power consumption, and superior signal integrity.

LINK-PP LS-BL55491G-A0C 1G BiDi SFP Optical Module

Engineered for premium performance, the LINK-PP LS-BL55491G-A0C optical module maximizes fiber utilization. This state-of-the-art 1G bidirectional transceiver provides stable Gigabit Ethernet connectivity, reducing cabling complexities while maintaining exceptional network efficiency and seamless compatibility.

LS-BL55491G-A0C: 1G Connectivity for Internet Data Centers (IDC)

Meeting the rigorous demands of modern infrastructure, this transceiver ensures flawless 1G connectivity for Internet Data Centers. The module optimizes server-to-switch data flows, helping IDC operators achieve high-speed, reliable network scalability without compromising on stability.

LS-BL55491G-A0C Module with 1550nm-TX and 1490nm-RX Wavelength

Utilizing advanced WDM technology, this optical transceiver features a 1550nm-TX and 1490nm-RX wavelength configuration. This precise bidirectional transmission setup allows simultaneous uplink and downlink communication over a single fiber, significantly lowering infrastructure cabling costs.

LS-BL55491G-A0C Module Supporting 100km Transmission

Designed for extreme long-haul network architectures, this powerful 100km SFP module ensures zero signal degradation. The integrated DFB laser and sensitive detector empower the 1G optical transceiver to span impressive distances across demanding telecom networks.

LS-BL55491G-A0C Module with Simplex LC Interface

The transceiver is equipped with a standard simplex LC interface, streamlining fiber optic connections. This single LC port design effortlessly integrates with existing single-mode fiber patch cords, providing a secure, low-insertion-loss connection for telecom networks.

LS-BL55491G-A0C Module with DOM for Real-Time Monitoring

Featuring Digital Optical Monitoring, this 1G SFP BiDi module allows network administrators to track vital metrics in real-time. The DOM capability ensures accurate monitoring of temperature, voltage, and optical power, guaranteeing proactive network maintenance.


LINK-PP LS-BL55491G-A0C 1G SFP Certification

The LINK-PP LS-BL55491G-A0C 1G bidirectional SFP module adheres to strict industry compliance standards. Comprehensive certification guarantees environmental safety, electromagnetic compatibility, and reliable networking performance worldwide.

Optical Transceivers Testing

Every LINK-PP 1G optical transceiver undergoes a rigorous quality testing program. Our dedicated engineers strictly evaluate each optical module to ensure unparalleled durability and optimal network stability.

LS-BL55491G-A0C Quality Certifications

Demonstrating exceptional manufacturing standards, this 100km SFP module officially holds CE, FCC, UKCA, UL, and REACH quality certifications, ensuring complete regulatory compliance and safe network deployment.

LS-BL55491G-A0C Certified for Reliable Host-Device Compatibility

This certified 1G BiDi transceiver guarantees seamless host-device compatibility across major switch brands. Network administrators can confidently deploy the module without worrying about frustrating vendor lock-in issues.


Rigorous Testing Ensures Reliable SFP Performance

Advanced laboratory evaluations ensure that every 1G SFP module delivers perfectly reliable SFP performance, maintaining consistent data transmission under diverse environmental conditions.

Optical

Optical Spectrum Test

The optical spectrum test verifies precise 1550nm and 1490nm wavelength accuracy.

Optical

Eye Pattern Test

Comprehensive eye pattern testing confirms optimal signal integrity and superior transmitter quality.

Optical

Bit Error Rate Test

Strict bit error rate testing guarantees flawless, error-free Gigabit Ethernet data transmission.

Optical

Temperature Test

Commercial temperature testing validates stable transceiver operation between 0°C and 70°C.


Product Shipping for LINK-PP LS-BL55491G-A0C 1G SFP

We prioritize secure product shipping for the LINK-PP 1G BiDi SFP optical module, ensuring your networking equipment arrives safely and ready for immediate deployment.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Premium anti-static protective packaging securely shields the sensitive optical components.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Specialized shock-resistant transport protection prevents physical damage during transit.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

We guarantee fast order processing and dispatch to accelerate network deployment.

Global Logistics and International Delivery

Global Logistics and International Delivery

Reliable global logistics and international delivery networks ensure prompt international arrival.

LINK-PP LS-BL55491G-A0C 1G SFP Usage Demonstration

Integrating the LINK-PP LS-BL55491G-A0C into your infrastructure is incredibly straightforward. Simply plug the 1G BiDi SFP transceiver into your compatible switch, connect the simplex LC fiber, and instantly establish a stable 100km Gigabit Ethernet network connection.

LS-BL55491G-A0C 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-BL55491G-A0C 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-BL55491G-A0C 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

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
R***s
Sweden
Verified Purchase
5 .0
2026-05-30
Upgraded our enterprise switches. These 100km BiDi SFPs have amazing DDM monitoring.
N***k
France
Verified Purchase
5 .0
2026-04-05
Fast Ethernet and Fibre Channel supported well.
D***r
Portugal
Verified Purchase
5 .0
2026-03-08
Bulk ordered for a park fiber network. Seamless interoperability with our Juniper gear.
M***n
South Africa
Verified Purchase
5 .0
2026-02-01
Used this Simplex LC transceiver alongside my home 10G NAS. Top-notch Gigabit Ethernet performance!
J***z
Greece
Verified Purchase
5 .0
2026-01-29
Finding a reliable Simplex LC SMF transceiver with accurate DOM is rare. This 1G BiDi handles our indoor scenes and multi-brand switches flawlessly across our entire campus optical network.
J***h
Ukraine
Verified Purchase
5 .0
2026-01-17
Solid 1550nm-TX Simplex LC module!
R***n
United Arab Emirates
Verified Purchase
5 .0
2025-12-30
Tested the LS-BL55491G-A0C in our data center. The 1550nm-TX/1490nm-RX provides pristine 100km transmission without CRC errors. Perfect OEM compatible SFP for massive server rack deployments!
M***z
Czech Republic
Verified Purchase
5 .0
2025-12-28
Perfect for our outdoor cabinet fiber setup.
B***l
Bolivia
Verified Purchase
5 .0
2025-12-12
Deployed fifty 1.25Gbps MSA compliant modules for enterprise access. Zero packet loss over long runs, and the 0-70°C operating temperature holds up beautifully in our unconditioned equipment rooms.
B***n
Ireland
Verified Purchase
5 .0
2025-12-01
Nice 0-70°C temp range stability.
M***n
Czech Republic
Verified Purchase
5 .0
2025-09-18
Fantastic ROI for IT procurement. The DDM support allows precise TX/RX monitoring. We integrated it into our Gigabit Fibre Channel backbone, running flawlessly alongside our home 10G NAS setups.
P***n
Ecuador
Verified Purchase
5 .0
2025-08-10
Awesome Simplex LC SMF SFP transceiver! ദ്ദി(•ᴗ•)
D***z
Indonesia
Verified Purchase
5 .0
2025-07-16
Flawless 1490nm-RX reception for our data center.
C***n
India
Verified Purchase
4 .0
2025-07-03
Box was slightly crushed upon arrival, but the 1G BiDi SFP works flawlessly.
N***s
Mexico
Verified Purchase
5 .0
2025-06-15
Excellent 1G BiDi SFP for multi-brand switch compatibility tests. Truly plug-and-play.
B***n
Czech Republic
Verified Purchase
5 .0
2025-04-27
Incredible value for a 1.25Gbps optical transceiver module. Smooth fiber connection every time. ✌️
A***n
Chile
Verified Purchase
5 .0
2025-04-17
Deployed these 1550nm-TX/1490nm-RX SFPs in an outdoor cabinet. Temp stays within 0-70°C.
B***r
Ecuador
Verified Purchase
5 .0
2025-03-20
Cost-effective 1G SFP for home NAS.
M***s
Chile
Verified Purchase
5 .0
2024-11-12
Great 1.25Gbps SMF transceiver for base stations!
M***r
Sweden
Verified Purchase
5 .0
2024-11-06
Fantastic MSA compliant 1G module. The DOM interface helps track power levels accurately.
J***n
United Arab Emirates
Verified Purchase
5 .0
2024-10-30
OEM compatible SFP. Plug and play!
A***s
Singapore
Verified Purchase
5 .0
2024-10-11
We needed reliable base station backhaul links. This 100km SMF optic delivered instantly!
{{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.sold_num }} Sold

{{ item.displayed_price.unit_prefix }} {{ item.displayed_price.value || item.displayed_price.min }}

  • {{ detail_data.displayed_price.unit_prefix }}  {{ detail_data.displayed_price.value }}

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