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LS-SC31551G-03C 1g sfp bidi 1310nm-tx 1550nm-rx 3km simplex sc dom smf optical transceiver module
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LINK-PP LS-SC31551G-03C 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-SC31551G-03C 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module
SKU
202188
P/N
LS-SC31551G-03C
Price
$ 9.5
Stock
220 in Stock
Sold
1.8K
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
25 Reviews
4 Questions
1.8K 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-03C 1G BiDi SFP Specifications

The LINK-PP LS-SC31551G-03C is a high-performance 1G BiDi SFP transceiver designed for seamless Gigabit Ethernet connections. This commercial-grade BiDi optical module operates efficiently over single mode fiber, ensuring stable data transmission. Utilizing an advanced FP laser and PIN photodetector, this 1G fiber optic transceiver delivers reliable bandwidth for modern networking environments.

LINK-PP Part Number LS-SC31551G-03C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1550nm-RX Max Cable Distance 3km
Connector Simplex SC Media

SMF

Transmitter Type FP Receiver Type PIN
TX Power -9 to 0dBm RX Power -23 to -1dBm
Receiver Sensitivity -20dBm Receiver Overload -3dBm
DOM Support Yes Operating Temperature Range

0 to 70°C

Key Features of LINK-PP LS-SC31551G-03C 1G BiDi SFP

Designed with a standard hot-pluggable SFP footprint, this transceiver ensures easy network upgrades. It requires a single +3.3V power supply, maintaining low power consumption. As a strictly RoHS compliant solution, this 1G bidirectional module guarantees eco-friendly and highly efficient optical communications.

LINK-PP LS-SC31551G-03C 1G BiDi SFP Optical Module

This robust 1G optical module offers exceptional performance for broadband access and enterprise networks. Functioning as a premium single mode transceiver, it maximizes fiber utilization by transmitting and receiving data simultaneously through a single optical cable.

LS-SC31551G-03C: 1G Connectivity for Baseband Unit (BBU)

Perfect for telecommunications infrastructure, this transceiver provides essential 1G connectivity for Baseband Unit (BBU) setups. It ensures stable, high-speed data flow in telecom networking, supporting seamless communication links between vital cellular network equipment and distribution nodes.

LS-SC31551G-03C Module with 1310nm-TX and 1550nm-RX Wavelength

Utilizing advanced Wavelength Division Multiplexing, this module features a 1310nm FP transmitter and a 1550nm PIN receiver. This specific optical wavelength combination enables highly efficient two-way data traffic over just one single fiber strand.

LS-SC31551G-03C Module Supporting 3km Transmission

Engineered for short to medium distance transmission, this optical transceiver supports a reliable 3km reach over single mode fiber. It is the perfect cost-effective solution for campus networks, building-to-building links, and local area network expansions.

LS-SC31551G-03C Module with Simplex SC Interface

Equipped with a durable simplex SC receptacle, this module easily connects with standard fiber optic connector types. The single SC port design saves valuable space and simplifies cabling infrastructure for high-density telecommunication and data center environments.

LS-SC31551G-03C Module with DOM for Real-Time Monitoring

Compliant with the SFF-8472 standard, this transceiver features advanced Digital Optical Monitoring (DOM). The integrated DDM function allows network administrators to effortlessly track real-time parameters like temperature, voltage, and laser bias current to prevent link failures.


LINK-PP LS-SC31551G-03C 1G SFP Certification

Our strictly regulated manufacturing process ensures this transceiver meets global optical industry standards. Every module undergoes rigorous assessments to guarantee absolute safety and superior operational excellence.

Optical Transceivers Testing

We implement a comprehensive quality control program during production. Extensive transceiver testing verifies that each optical module delivers flawless signal integrity and maximum durability under standard conditions.

LS-SC31551G-03C Quality Certifications

This robust optical product proudly holds CE, FCC, and UKCA certified status. Furthermore, UL and REACH compliance confirms its exceptional electrical safety and strict adherence to environmental regulations.

LS-SC31551G-03C Certified for Reliable Host-Device Compatibility

Being fully SFP MSA compliant, this module guarantees seamless networking equipment compatibility. It functions flawlessly across various enterprise routers and network switches from major industry brands.


Rigorous Testing Ensures Reliable SFP Performance

Strict fiber optic performance testing guarantees that every single module operates with exceptional stability, ensuring seamless and uninterrupted network connectivity.

Optical

Optical Spectrum Test

We execute precise center wavelength verification to guarantee accurate 1310nm optical emissions.

Optical

Eye Pattern Test

Advanced optical signal integrity checks ensure the transmitter delivers clear and compliant data patterns.

Optical

Bit Error Rate Test

Continuous data transmission accuracy evaluations are performed to confirm zero packet loss during operation.

Optical

Temperature Test

Thermal cycling ensures reliable functionality across the standard commercial temperature range of 0°C to 70°C.


Product Shipping for LINK-PP LS-SC31551G-03C 1G SFP

We prioritize secure module delivery to ensure your networking components arrive safely. Every shipment is carefully prepared to prevent transit damage.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Professional ESD safe packaging effectively protects internal electronic components from static discharges.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Sturdy and secure shipping materials absorb impacts to prevent physical hardware damage.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Quick inventory dispatch guarantees your network project timelines are consistently met.

Global Logistics and International Delivery

Global Logistics and International Delivery

We provide reliable worldwide optical module shipping to diverse international customer locations.

LINK-PP LS-SC31551G-03C 1G SFP Usage Demonstration

Network technicians can experience effortless plug and play installation with this module. Once inserted into a compatible switch, the simple single fiber connection immediately establishes a stable gigabit link, streamlining complex network deployments for faster operational readiness.

LS-SC31551G-03C 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-03C 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-03C 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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J***t
France
Verified Purchase
5 .0
2026-07-05
Bought 50 units for a client's 1G network upgrade. 100% OEM switch compatibility.
J***t
Brazil
Verified Purchase
5 .0
2026-06-29
Highly reliable RoHS compliant solution. Link stays up continuously without any RX power drops.
M***e
Sweden
Verified Purchase
5 .0
2026-06-06
I use these for a long-distance 1G FTTH deployment. The single mode fiber transmission distance hits exactly 3km with zero errors. Wide multi-brand OEM compatibility makes my life as an ISP network engineer way easier.
P***z
United States
Verified Purchase
4 .0
2026-05-01
Delivery took an extra day to California, but the 1G BiDi SFP works flawlessly.
E***s
Dominican Republic
Verified Purchase
5 .0
2026-04-24
Flawless 1G SMF transceiver for our campus switch.
D***a
Viet Nam
Verified Purchase
5 .0
2026-03-15
Stable 3km SMF transceiver link. Great value.
P***n
Bolivia
Verified Purchase
5 .0
2026-03-13
Plug and play DOM optical module. Highly recommended. ⚡
R***a
Sweden
Verified Purchase
5 .0
2026-03-13
Good 1310nm-TX/1550nm-RX optics. Zero packet loss.
K***n
Chile
Verified Purchase
5 .0
2026-02-10
Excellent 1.25G BiDi module for connecting our remote NAS over single mode fiber.
M***z
Ecuador
Verified Purchase
5 .0
2026-01-23
Tested this 1G SFP BiDi 1310nm-TX/1550nm-RX 3km transceiver against strict enterprise standards. The FP/PIN combination delivers consistent -6dBm TX and excellent -20dBm RX sensitivity. Absolute game-changer for our high-density colocation facility in Frankfurt!
R***h
Argentina
Verified Purchase
5 .0
2025-12-07
DOM features on this 1G bidirectional module make real-time monitoring a breeze. (^_^)
C***z
Dominican Republic
Verified Purchase
5 .0
2025-11-27
The 1310nm/1550nm wavelength combo saves us fiber strands. Tested successfully on Aruba switches. ✅
J***s
Norway
Verified Purchase
5 .0
2025-11-25
Needed a quick B2B networking supplier in NY for BBU backhaul links. These 1.25Gbps optical modules run well within the 0 to 70°C spec in our climate-controlled edge cabinets. Extremely stable throughput for cellular traffic!
M***r
Italy
Verified Purchase
4 .0
2025-11-09
SC connector dust caps were loose in the box. Transceiver DOM reads perfectly fine though.
C***s
Hong Kong
Verified Purchase
5 .0
2025-09-18
Works instantly with Ubiquiti. Simplex SC is great!
S***n
Ecuador
Verified Purchase
5 .0
2025-09-07
Fast shipping for this 1G fiber optic transceiver.
A***e
Chile
Verified Purchase
5 .0
2025-08-14
3km distance verified. Solid Cisco compatible 1G SFP.
M***r
Dominican Republic
Verified Purchase
5 .0
2025-07-13
Cheap 1G SFP module, perfect for home lab.
E***n
Mexico
Verified Purchase
5 .0
2025-06-16
Perfect 1.25Gbps link speed on Mikrotik routers.
M***n
Taiwan, Province of China
Verified Purchase
5 .0
2025-06-15
Deployed these 1G BiDi SFPs for building-to-building links in Texas. Outstanding ROI.
S***e
Argentina
Verified Purchase
5 .0
2025-05-28
We bulk-deployed these Simplex SC DOM SMF optical transceiver modules across our entire campus optical network. DDM monitoring via SFF-8472 protocol works perfectly with our Juniper core gear. Incredible total cost of ownership.
M***n
Italy
Verified Purchase
5 .0
2025-05-26
Rock solid BBU connectivity. Will buy again!
M***s
Kazakhstan
Verified Purchase
5 .0
2025-05-05
Best Simplex SC connector modules I've sourced for rural WISP base station backhaul.
L***n
France
Verified Purchase
5 .0
2025-01-18
DDM function tracks temp accurately in our DC.
M***r
Switzerland
Verified Purchase
5 .0
2024-12-21
Commercial 0-70°C temp rating is perfectly adequate for our indoor rack deployments in London.
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