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LS-SC55311G-40C 1g sfp bidi 1550nm-tx 1310nm-rx 40km simplex sc dom smf optical transceiver module
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LINK-PP LS-SC55311G-40C 1G SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex SC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-SC55311G-40C 1G SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex SC DOM SMF Optical Transceiver Module
SKU
202203
P/N
LS-SC55311G-40C
Price
$ 20.5
Stock
110 in Stock
Sold
2.2K
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
5 Questions
2.2K Sold
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.
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LINK-PP LS-SC55311G-40C 1G BiDi SFP Specifications

The LINK-PP LS-SC55311G-40C is a high-performance 1G BiDi SFP transceiver engineered specifically for demanding Gigabit Ethernet applications. These comprehensive optical module specifications highlight its robust efficiency in single-mode fiber networks. Delivering reliable 1000BASE-BX connectivity, this single-fiber bidirectional pluggable module ensures exceptional data transmission for modern enterprise and telecommunication networking environments.

LINK-PP Part Number LS-SC55311G-40C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1550nm-TX/1310nm-RX Max Cable Distance 40km
Connector Simplex SC Media

SMF

Transmitter Type DFB Receiver Type PIN
TX Power -9 to 0dBm RX Power -23 to -1dBm
Receiver Sensitivity -24dBm Receiver Overload -3dBm
DOM Support Yes Operating Temperature Range

0 to 70°C

Key Features of LINK-PP LS-SC55311G-40C 1G BiDi SFP

Discover the core networking features of this advanced Gigabit BiDi transceiver. It integrates a commercial-grade DFB laser and PIN detector, enabling efficient bidirectional communication over a single fiber optic cable. This compact pluggable device maximizes bandwidth utilization while maintaining low power consumption across demanding infrastructure deployments.

LINK-PP LS-SC55311G-40C 1G BiDi SFP Optical Module

This versatile 1Gbps SFP optical module serves as a crucial network transceiver for seamless data routing. Built with premium components, the hot-swappable hardware guarantees stable optical signal conversion, optimizing long-term performance within varied commercial networking architectures.

LS-SC55311G-40C: 1G Connectivity for Terminal Access Point Links

Delivering robust 1G connectivity, this transceiver is perfectly suited for terminal access point links and edge networking deployments. It establishes a secure, high-speed data bridge between remote enterprise branches and central network hubs, enhancing overall infrastructure reliability.

LS-SC55311G-40C Module with 1550nm-TX and 1310nm-RX Wavelength

Utilizing advanced WDM technology, the device operates seamlessly with a 1550nm-TX/1310nm-RX wavelength configuration. These precision bidirectional optics allow simultaneous transmit and receive functions on one strand, effectively doubling your existing cabling capacity without additional fiber installation.

LS-SC55311G-40C Module Supporting 40km Transmission

Engineered for extended reach, this long-haul SFP comfortably supports a 40km transmission distance over standard single-mode optical fiber. The impressive power budget guarantees minimal signal degradation, making it ideal for connecting geographically dispersed data center locations.

LS-SC55311G-40C Module with Simplex SC Interface

Equipped with a standardized simplex SC interface, this module ensures secure and quick physical connections. The durable SC fiber port reduces optical return loss, providing a stable plug-and-play solution that simplifies intricate cabling tasks in crowded server racks.

LS-SC55311G-40C Module with DOM for Real-Time Monitoring

Integrated DOM support provides comprehensive real-time monitoring of critical operational parameters. Through precise DOM diagnostics, network administrators can easily track temperature, voltage, and laser bias current, allowing for proactive maintenance and preventing unexpected optical transceiver failures.


LINK-PP LS-SC55311G-40C 1G SFP Certification

Our robust 1G SFP certification process guarantees adherence to the strictest international compliance standards. These global regulatory approvals reflect our commitment to safety, environmental sustainability, and product excellence.

Optical Transceivers Testing

Every unit undergoes a stringent manufacturing quality testing program before dispatch. This comprehensive optical inspection procedure ensures each transceiver consistently meets premium industry benchmarks under continuous operational loads.

LS-SC55311G-40C Quality Certifications

The module proudly holds prestigious CE, FCC, UKCA, UL, and REACH certified optics credentials. These authoritative quality certifications demonstrate complete compliance with rigorous electronic safety and global environmental directives.

LS-SC55311G-40C Certified for Reliable Host-Device Compatibility

Verified for exceptional host-device compatibility, this multi-vendor support solution ensures flawless switch interoperability. It operates seamlessly alongside major networking equipment brands, eliminating troublesome integration issues during network upgrades.


Rigorous Testing Ensures Reliable SFP Performance

Comprehensive lab validation and rigorous testing protocols strictly ensure reliable SFP performance, guaranteeing every module executes flawless data transmission within commercial enterprise deployments.

Optical

Optical Spectrum Test

Using a precise optical spectrum analyzer, we verify optimal 1550nm/1310nm wavelength stability and integrity.

Optical

Eye Pattern Test

An intensive eye pattern test confirms excellent signal quality and minimal transmitter jitter levels.

Optical

Bit Error Rate Test

The bit error rate test guarantees zero packet loss and absolute data transmission accuracy.

Optical

Temperature Test

A strict temperature test ensures these commercial grade optics function flawlessly from 0°C to 70°C.


Product Shipping for LINK-PP LS-SC55311G-40C 1G SFP

Our streamlined product shipping process guarantees secure transit for your optical module delivery. We prioritize safe packaging methods to protect your sensitive networking investments.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Premium anti-static protective packaging and sealed ESD bags prevent electrical damage during transit.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Durable shock-resistant transport protection ensures absolute transit safety against heavy physical impacts.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Efficient warehouse workflows guarantee fast order processing and immediate shipment dispatch.

Global Logistics and International Delivery

Global Logistics and International Delivery

We utilize reliable global logistics networks for expedited and traceable international delivery.

LINK-PP LS-SC55311G-40C 1G SFP Usage Demonstration

This practical usage demonstration highlights the intuitive plug-and-play SFP installation process. Users can simply insert the transceiver into compatible switch ports, establish the simplex fiber optic connection, and instantly upgrade network capacities without complex software configuration.

LS-SC55311G-40C 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-SC55311G-40C 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-SC55311G-40C 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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B***r
Czech Republic
Verified Purchase
5 .0
2026-07-25
Replaced overpriced branded optics with these for our campus fiber network. Extensive testing showed identical transmission distance and latency. The 1550nm-TX optical power is rock solid across all our edge switches.
M***s
Netherlands
Verified Purchase
5 .0
2026-07-14
Accurate DDM readings on my Netgear setup.
M***a
Hong Kong
Verified Purchase
5 .0
2026-06-22
Used these for switch compatibility testing. Handled standard protocols perfectly out of the box.
J***s
Mexico
Verified Purchase
5 .0
2026-06-06
Unbeatable value for SMF fiber optic modules. Deployed 50 units without a single failure.
L***h
Japan
Verified Purchase
5 .0
2026-05-25
Flawless data center interconnect performance so far.
A***s
Greece
Verified Purchase
5 .0
2026-05-16
The 40km distance is legit. Stable link for our remote office building connectivity.
J***n
Hong Kong
Verified Purchase
5 .0
2026-04-25
I run a WISP and deployed these 1.25g bidi sfp 40km modules in harsh outdoor enclosures. The industrial wide-temp rating held up through summer heatwaves perfectly without dropping packets. Absolutely bulletproof backhaul.
C***n
Spain
Verified Purchase
5 .0
2026-04-09
Integrated this into a gigabit switch to run a legacy link to a home 10G NAS setup. The SC simplex interface made cable management a breeze. DDM monitoring works natively!
S***n
Finland
Verified Purchase
5 .0
2026-04-07
Reliable 1550nm-TX/1310nm-RX for base station backhaul.
L***z
Poland
Verified Purchase
5 .0
2026-01-27
Seamless OEM compatibility, no coding issues. ⚙️
S***g
Czech Republic
Verified Purchase
5 .0
2026-01-25
Solid single-mode fiber module, plug and play. ⚡
E***n
Dominican Republic
Verified Purchase
5 .0
2025-11-14
Smooth upgrade for our base station network. The 1310nm-RX sensitivity is completely accurate.
J***l
Sweden
Verified Purchase
5 .0
2025-10-22
Tested these 1.25G SFP modules across Ubiquiti and Aruba switches. 100% compatible!
S***e
Chile
Verified Purchase
5 .0
2025-10-13
Top-notch SC simplex interface transceiver!
M***t
Ukraine
Verified Purchase
5 .0
2025-10-06
Great price for bulk server room deployment.
J***s
Portugal
Verified Purchase
4 .0
2025-10-02
Box arrived a bit dented, but the 1.25G BiDi module works flawlessly.
K***n
Portugal
Verified Purchase
5 .0
2025-09-25
Perfect 40km transmission for our campus fiber network!
S***l
Norway
Verified Purchase
5 .0
2025-09-10
Needed an industrial temperature SFP for an outdoor cabinet, this handles -40°C easily. ❄️
J***n
Germany
Verified Purchase
5 .0
2025-08-25
Works instantly with my Mikrotik router. (^_^)
N***r
United Arab Emirates
Verified Purchase
5 .0
2025-06-04
Great DOM support. Highly recommended for Cisco switches.
D***n
Mexico
Verified Purchase
5 .0
2025-05-24
Doing a massive server room batch deployment and needed reliable OEM compatible SFP modules. These synced instantly with our mixed Cisco and Juniper backbone. Incredible cost savings without sacrificing any network reliability.
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