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LS-SC31551G-20C 1g sfp bidi 1310nm-tx 1550nm-rx 20km simplex sc dom smf optical transceiver module
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LINK-PP LS-SC31551G-20C 1G SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-SC31551G-20C 1G SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module
SKU
202192
P/N
LS-SC31551G-20C
Price
$ 14.5
Stock
150 in Stock
Sold
1.5K
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
24 Reviews
4 Questions
1.5K 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-SC31551G-20C 1G BiDi SFP Specifications

The LINK-PP LS-SC31551G-20C is a premium 1G BiDi SFP transceiver engineered for exceptional fiber optic communication. This Gigabit Ethernet optical module features a simplex SC connector, utilizes a reliable FP laser alongside a PIN detector, and supports advanced WDM technology. It guarantees stable, high-speed network connectivity within demanding commercial temperature environments.

LINK-PP Part Number LS-SC31551G-20C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1550nm-RX Max Cable Distance 20km
Connector Simplex SC Media

SMF

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

0 to 70°C

Key Features of LINK-PP LS-SC31551G-20C 1G BiDi SFP

This single-mode SFP transceiver offers an impressive array of advanced networking features for modern telecommunications. Engineered with a convenient hot-pluggable design, it allows seamless system upgrades. The BiDi optical module maximizes existing fiber infrastructure, delivering cost-effective and highly efficient fiber optic communication solutions.

LINK-PP LS-SC31551G-20C 1G BiDi SFP Optical Module

Functioning as a robust Gigabit BIDI transceiver, this pluggable optical module provides superior signal integrity. It serves as an essential networking component for enterprise architectures, ensuring consistent single-mode fiber transmission across diverse optical communication setups.

LS-SC31551G-20C: 1G Connectivity for Data Center

Designed to meet rigorous data center connectivity demands, this 1000BASE-BX SFP guarantees seamless data transfer. It effectively handles enterprise routing tasks, optimizing networking infrastructure with reliable bandwidth and minimizing latency during high-speed gigabit network operations.

LS-SC31551G-20C Module with 1310nm-TX and 1550nm-RX Wavelength

Utilizing advanced WDM technology, this optical transceiver operates with a 1310nm transmitter and 1550nm receiver. This bidirectional transmission capability allows independent data streams over a single fiber, drastically reducing cable costs for telecommunication networking projects.

LS-SC31551G-20C Module Supporting 20km Transmission

Engineered for extended reach, this long-haul SFP easily achieves a 20km transmission distance. This impressive long-range fiber capability makes it the perfect solution for metropolitan area networks, campus backbones, and wide-area telecommunication bridging applications.

LS-SC31551G-20C Module with Simplex SC Interface

Featuring a standard simplex SC connector, this fiber optic interface ensures secure and precise optical alignment. The single-fiber SFP design simplifies patching management while delivering outstanding pluggable module durability for continuous gigabit Ethernet networking tasks.

LS-SC31551G-20C Module with DOM for Real-Time Monitoring

Equipped with Digital Optical Monitoring, this DOM SFP module provides vital diagnostic feedback. Network administrators can easily track operational parameters like optical power, voltage, and commercial temperature, ensuring proactive maintenance and uninterrupted fiber optic connectivity.


LINK-PP LS-SC31551G-20C 1G SFP Certification

Compliance is paramount for this commercial-grade SFP. Every optical transceiver undergoes strict evaluations to meet international safety and environmental regulations, ensuring dependable telecommunications network integration.

Optical Transceivers Testing

Before leaving our facility, each Gigabit Ethernet module undergoes a comprehensive optical testing program. This strict quality control protocol eliminates defects and guarantees superior single-mode fiber performance.

LS-SC31551G-20C Quality Certifications

This bidirectional transceiver is fully compliant with CE, FCC, UKCA, UL, and REACH standards. These prestigious industry certifications confirm the absolute safety and ecological sustainability of the optical product.

LS-SC31551G-20C Certified for Reliable Host-Device Compatibility

Designed in accordance with Multi-Source Agreement standards, this compatible SFP module connects flawlessly with major switch brands. It ensures plug-and-play interoperability without triggering networking equipment errors.


Rigorous Testing Ensures Reliable SFP Performance

We implement strict hardware verification procedures on every single-fiber SFP. These laboratory assessments guarantee exceptional optical stability across demanding network infrastructure environments.

Optical

Optical Spectrum Test

Evaluates laser center wavelength precision to maintain optimal WDM network transmission accuracy.

Optical

Eye Pattern Test

Analyzes gigabit signal integrity to ensure clear data modulation compliant with IEEE standards.

Optical

Bit Error Rate Test

Measures data stream reliability during extended long-haul SFP operation to prevent packet loss.

Optical

Temperature Test

Confirms continuous module durability within standard zero to seventy degrees commercial temperature environments.


Product Shipping for LINK-PP LS-SC31551G-20C 1G SFP

We guarantee secure supply chain delivery for your fiber optic transceiver orders. Each package utilizes professional materials to maintain pristine factory condition upon arrival.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Premium ESD-safe shielding prevents static damage to internal electrical SFP components.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Durable outer cartons absorb mechanical vibrations during transit for optical modules.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Efficient warehouse operations ensure rapid shipment preparation for your networking supplies.

Global Logistics and International Delivery

Global Logistics and International Delivery

Trusted worldwide courier partnerships provide fast delivery for enterprise telecommunications projects.

LINK-PP LS-SC31551G-20C 1G SFP Usage Demonstration

Installing this hot-pluggable transceiver is incredibly straightforward. Simply insert the compatible SFP into your networking switch port and connect the simplex SC fiber patch cable. The plug-and-play architecture immediately initiates high-speed bidirectional data transmission without complex software configuration.

LS-SC31551G-20C 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-SC31551G-20C 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-SC31551G-20C 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

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J***z
Taiwan, Province of China
Verified Purchase
5 .0
2026-07-10
Awesome 1310nm transmitter performance.
S***s
Argentina
Verified Purchase
5 .0
2026-06-17
Works perfectly for base station backhaul!
S***s
Switzerland
Verified Purchase
5 .0
2026-03-13
Read DDM easily on Juniper gear. Good single-mode fiber optic communication.
S***z
Finland
Verified Purchase
5 .0
2026-03-12
FP laser is stable. 1000BASE-BX SFP working great in our server room.
J***n
United Kingdom
Verified Purchase
5 .0
2026-03-07
Excellent Simplex SC interface, zero issues with our Mikrotik enterprise routing setup.
W***s
Indonesia
Verified Purchase
5 .0
2026-02-26
Easy setup for enterprise networking.
P***n
Germany
Verified Purchase
5 .0
2026-02-13
Ordered a batch for EU branch. SFP BiDi 20km units arrived safely.
C***z
Switzerland
Verified Purchase
5 .0
2026-02-05
Flawless 1G bidirectional transmission.
L***n
Egypt
Verified Purchase
5 .0
2026-02-02
Upgraded my home lab. 1310nm-TX/1550nm-RX works perfectly over single mode fiber.
K***n
Costa Rica
Verified Purchase
5 .0
2026-01-23
Great 1.25Gbps transceiver, super stable.
M***z
Bolivia
Verified Purchase
5 .0
2026-01-17
Solid gigabit BIDI transceiver, thx!
C***s
Ukraine
Verified Purchase
5 .0
2026-01-02
Clean fiber optic interface. ✨
D***g
Norway
Verified Purchase
5 .0
2025-12-17
Awesome compatibility with Ubiquiti. The 20km SMF reach is totally legit!
R***s
Ethiopia
Verified Purchase
5 .0
2025-12-16
Plug and play Simplex SC. ⚡
D***r
India
Verified Purchase
5 .0
2025-11-26
Best 1.25G optical module for the price. Solved our fiber exhaust problem.
J***r
Chile
Verified Purchase
5 .0
2025-11-08
Budget-friendly 1G SFP module for data center batch deployment. Highly recommended.
P***r
Peru
Verified Purchase
5 .0
2025-10-29
A+ single-mode SFP transceiver!
P***z
Czech Republic
Verified Purchase
5 .0
2025-10-04
Fast shipping, reliable DOM support.
E***n
Venezuela
Verified Purchase
5 .0
2025-08-03
We needed a reliable optical transceiver for a 15km metropolitan bridge. This SFP BiDi hit the mark. -23dBm receiver sensitivity is accurate, maintaining solid links perfectly.
R***n
Czech Republic
Verified Purchase
5 .0
2025-07-21
Deployed 50 units for campus fiber network. This 1G BiDi 20km transceiver shows flawless DOM readings. Compatible with our Cisco switches out of the box, solid module!
M***s
New Zealand
Verified Purchase
5 .0
2025-06-17
Exactly the 1G SFP I needed. ✅
S***r
Belgium
Verified Purchase
5 .0
2025-05-15
Swapped out older dual-fiber optics for this Simplex SC DOM SMF transceiver. Reduced our cable costs by half while keeping robust 1G backbone connectivity intact.
M***s
Chile
Verified Purchase
5 .0
2025-03-20
Tested this LINK-PP LS-SC31551G-20C in our outdoor cabinet. Despite the 0-70°C commercial range, it stayed cool. Total cost of ownership is unmatched for enterprise routing!
M***z
Thailand
Verified Purchase
4 .0
2025-02-14
Packaging was a bit crushed, but the 1G SFP BiDi works perfectly fine.
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