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LS-SM3125-10C 25g sfp28 1310nm 10km duplex lc upc dom smf optical transceiver module
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LINK-PP LS-SM3125-10C 25G SFP28 1310nm 10km Duplex LC/UPC DOM SMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-SM3125-10C 25G SFP28 1310nm 10km Duplex LC/UPC DOM SMF Optical Transceiver Module
SKU
181643
P/N
LS-SM3125-10C
Price
$ 34.5
Stock
1300 in Stock
Sold
710
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
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New Users: $10 Coupon for Orders , Code: linkpp2610
47 Reviews
4 Questions
710 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-SM3125-10C 25G SFP28 Specifications

LS-SM3125-10C is a 25G SFP28 single-mode optical transceiver module that engineered for precision data delivery, sustaining an ultra-lean maximum power consumption of 1.2W while driving 1310nm wavelengths across distances up to 10km with integrated DOM diagnostics.

LINK-PP Part Number LS-SM3125-10C Vendor Name LINK-PP
Form Factor SFP28 Max Data Rate 25.78Gbps
Wavelength 1310nm Max Cable Distance 10km
Connector Duplex LC Media SMF
Transmitter Type DFB Receiver Type

PIN

Receiver Sensitivity -13dBm Receiver Overload

2dBm

TX Power -8 to +3dBm RX Power -14 to +3dBm
DOM Supported Protocols MSA Compliant, CPRI, eCPRI

Key Features of LINK-PP LS-SM3125-10C 25G SFP28

LINK-PP LS-SM3125-10C is a 25GBASE-LR SFP28 optical transceiver designed for dependable single-mode fiber deployments. This module integrates a 1310nm wavelength and real-time DOM monitoring to ensure stable, long-distance data transmission up to 10km. It combines energy efficiency with high-speed connectivity to optimize modern network infrastructures.

LINK-PP LS-SM3125-10C 25G SFP28 Optical Module

This module is engineered for excellent thermal and energy efficiency in demanding environments. It features a 1.2W maximum power consumption with an established link, significantly reducing operational costs. The hot-pluggable SFP28 design also allows for easy installation and maintenance without disrupting network services.

LS-SM3125-10C: 25 Gbps Connectivity for High-Density Uplinks

This transceiver delivers a reliable 25Gbps data rate to meet the growing bandwidth demands of modern data centers. It provides a perfect migration path from standard 10G networks to faster, more scalable architectures. The increased throughput ensures efficient handling of high-density uplink traffic.

LS-SM3125-10C Module with 1310nm Wavelength

Operating at a 1310nm optical wavelength, this module ensures minimal signal degradation over single-mode fiber. The chosen spectrum is ideal for local area networks and metropolitan transport systems. It utilizes advanced laser technology to maintain stable signaling across the entire link.

LS-SM3125-10C Module Supporting 10km Transmission

Designed for long-distance transmission, this module reliably supports data transmission distances up to 10km. It is highly effective for connecting enterprise campuses, central offices, and distributed data center facilities. This long-reach capability eliminates the need for mid-span amplification.

LS-SM3125-10C Module with Duplex LC/UPC Interface

The module comes equipped with an industry-standard duplex LC/UPC connector for secure fiber termination. This interface ensures low insertion loss and excellent back-reflection to protect signal integrity. Its compact connector design maximizes panel density in standard patch panels and switches.

LS-SM3125-10C Module with DOM for Real-Time Monitoring

Featuring built-in Digital Optical Monitoring (DOM), this transceiver tracks vital operating parameters in real time. Network administrators can easily monitor transceiver temperature, supply voltage, and optical power levels. This proactive diagnostic tool helps prevent link failures and simplifies troubleshooting.


LINK-PP LS-SM3125-10C 25G SFP28 Certification

The LINK-PP LS-SM3125-10C 25G SFP28 module meets strict international quality standards, holding major industry certifications including ISO 9001, CE, RoHS, and FCC.

Optical Transceivers Testing

Every module undergoes rigorous hardware testing to ensure stable network performance before leaving the factory.

LS-SM3125-10C Quality Certifications

These official compliance certificates guarantee that the transceiver adheres to global environmental, safety, and electromagnetic standards.

LS-SM3125-10C Certified for Reliable Host-Device Compatibility

The module is fully certified to work seamlessly across a wide range of major brand switches, routers, and servers without any interface issues.


Rigorous Testing Ensures Reliable SFP28 Performance

Every SFP28 optical module undergoes extensive validation to guarantee stable high-speed data transmission, and you can explore our complete evaluation procedures at the LINK-PP Test Support Center.

Optical

Optical Spectrum Test

Verify precise laser wavelengths to ensure minimal signal degradation.

Optical

Eye Pattern Test

Analyze signal integrity to guarantee clean data transmission shapes.

Optical

Bit Error Rate Test

Measure data packet accuracy to confirm flawless network reliability.

Optical

Temperature Test

Evaluate thermal endurance to maintain stable performance under heat.


Product Shipping for LINK-PP LS-SM3125-10C 25G SFP28

We provide secure and efficient delivery services for all transceiver orders worldwide. Our team guarantees safe transit to protect your networking investments.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Shield delicate transceiver circuitry from harmful electrostatic discharge during handling.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Safeguard optical components against severe vibrations during structural transit.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Accelerate order fulfillment to ensure rapid turnaround times for customers.

Global Logistics and International Delivery

Global Logistics and International Delivery

Deliver network hardware safely to worldwide destinations via trusted carriers.

LINK-PP LS-SM3125-10C 25G SFP28 Usage Demonstration

Simply plug this hot-swappable optical module into any compatible 25G SFP28 slot and connect your duplex LC/UPC single-mode fiber cable. It immediately activates for high-density uplink routing, enterprise network backbones, and 5G wireless fronthaul deployments requiring dependable 10km data transmission.

LS-SM3125-10C Technical Support

LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional guidance to help you select the optimal LS-SM3125-10C module for your network design and application needs.

Compatibility Verification Support

Compatibility Verification Support

Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.

Deployment & Installation Assistance

Deployment & Installation Assistance

Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.

LINK-PP LS-SM3125-10C 25G SFP28 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

LINK-PP LS-SM3125-10C 25G SFP28 FAQ

Get clear answers about the laser architecture, connector types, signaling methods, and power efficiency of the LS-SM3125-10C single-mode module.

The module incorporates a highly reliable Distributed Feedback (DFB) laser architecture, which maintains spectral stability across long distances under varying thermal loads.
No, the interface is explicitly designed for Duplex LC/UPC (Ultra Physical Contact) flat connectors. Forcing an APC-angled fiber plug into it will cause high insertion loss.
This module utilizes standard non-return-to-zero (NRZ) modulation at a serial line rate of 25.78Gbps, ensuring low latency compared to PAM4 optics.
Its ultra-lean 1.2W draw keeps the switch's overall thermal dissipation low, preventing port-throttling or cooling fans from ramping up to maximum velocity in fully populated 48-port switches.

Model Comparison Table

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U***l
Belarus
Verified Purchase
5 .0
2026-05-27
Great option for 25G single-mode SFP optical transceivers. We use them for high-capacity uplinks between aggregation points in an air-conditioned colocation facility. SFF-8472 compliance is verified; digital diagnostics report accurate temperature levels.
B***l
United States
Verified Purchase
5 .0
2026-05-16
Accurate telemetry is crucial for our automated monitoring stack, and the DOM functions on these modules deliver exactly what we need. Rx/Tx power levels are stable and updating in real-time without glitching the system log.
Z***s
Malaysia
Verified Purchase
5 .0
2026-05-08
Robust physical assembly—the duplex LC/UPC connectors snap in snugly with absolute zero structural wobble.
W***s
Bulgaria
Verified Purchase
5 .0
2026-04-25
Linked up instantly with our edge switches; zero framing errors or alignment slips after a 48-hour soak test.
B***n
Germany
Verified Purchase
5 .0
2026-04-02
Lock-step synchronization at 25.78Gbps directly inside our high-density top-of-rack leaf-spine layout.
Y***n
United Arab Emirates
Verified Purchase
5 .0
2026-03-18
Using these for an enterprise network infrastructure refresh. The duplex LC connectors are well-molded, and the extraction latches feel sturdy enough for repeated patching during maintenance windows. No packet drops detected over a 72-hour stress test.
D***t
India
Verified Purchase
5 .0
2026-03-10
These commercial-grade 25G SFP28 transceivers perform admirably under continuous workloads. They handle standard indoor data center environments perfectly. We'll be keeping a stock of these in our crash carts for emergency spares.
V***z
Brazil
Verified Purchase
5 .0
2026-02-22
Deployed a batch of these 1310nm SFP28 modules to handle our new 25G distributed architecture. Our architecture utilizes a multi-vendor leaf-spine layout, and finding reliable, compliant transceivers that don't trigger system alerts can be a headache. These modules initialized perfectly with accurate digital diagnostics monitoring (DDM) readings showing proper internal operating parameters. Transmit and receive power levels are sitting right in the sweet spot over our 6km single-mode fiber links. No signal degradation or frame issues were observed under peak traffic periods. Very solid engineering.
A***r
United Kingdom
Verified Purchase
5 .0
2026-02-08
Shipped quickly for our server room expansion. Deployed these 1310nm 25G SFP28 optics across our distribution tier to handle increased inter-vlan routing traffic. The DOM telemetry gives clean, accurate optical power values directly in our management console.
C***r
Canada
Verified Purchase
5 .0
2026-01-26
Our network engineering team put the LS-SM3125-10C SFP28 module through a rigorous validation lifecycle before clearing it for production deployment. We verified compliance with SFF-8472 digital monitoring specifications and tested the optical receiver sensitivity under simulated attenuation drops. The modules maintained a clean eye pattern and stable bit error rates up to their rated 10km distance over standard SMF. The structural assembly of the SFP28 housing is robust, providing adequate EMI shielding inside high-density line cards.
X***g
Austria
Verified Purchase
5 .0
2026-01-09
Campus Backbone Upgrade Success: We recently migrated our core campus distribution links from 10G to 25G SFP28 to support increased wireless access point density. These 1310nm 10km duplex LC optics were installed across four separate distribution closets. The fiber light launch mechanics are clean, keeping modal dispersion well within acceptable margins over our single-mode runs. Total power draw per module is minimal, keeping our PoE-heavy edge switches running within their thermal design envelopes. Highly recommend these for enterprise network infrastructure upgrades.
X***l
Argentina
Verified Purchase
5 .0
2025-12-26
Real-time DOM telemetry reports highly accurate internal laser bias current and exact Tx/Rx power metrics.
D***l
Australia
Verified Purchase
5 .0
2025-11-23
Negligible thermal signature inside the switch cage, staying well within commercial 0-70°C limits under load.
U***l
Canada
Verified Purchase
5 .0
2025-11-07
Upgraded our storage cluster uplinks from legacy 10G to 25G using these SFP28 SMF optics. The 1310nm center wavelength matches our existing patch panels perfectly. Immediate throughput improvement for our backup arrays.
Z***t
United States
Verified Purchase
4 .0
2025-10-31
Pristine optical receiver sensitivity and clean eye patterns during field verification. The bail wire extraction latch is highly secure but feels a little stiff on the initial pull; you just need to exert a bit more even pressure to unlock it from the cage slot.
W***d
Belgium
Verified Purchase
5 .0
2025-09-21
Excellent choice for anyone managing high-density fiber patching. The duplex LC interface provides a tight, secure link, preventing accidental optical misalignment if cables are moved during cabinet reorganization. Clean signals all around.
C***d
Japan
Verified Purchase
5 .0
2025-08-14
Our 25G optical modules can sometimes be finicky with specific firmware versions, but these LINK-PP modules proved highly adaptable. They initialized instantly on our top-of-rack switches. Power consumption is quite low, which helps keep rack thermals down.
Y***n
South Africa
Verified Purchase
5 .0
2025-07-12
We utilize these commercial-grade 25G transceivers inside our temperature-controlled indoor cabinets at our regional aggregation points. Operating at 1310nm over single-mode fiber infrastructure, they maintain tight spectral widths. The duplex LC/UPC interface ensures minimal insertion loss upon connection. For anyone managing B2B e-commerce procurement for telco setups, these modules deliver the exact technical specifications required for high-reliability links without the inflated price tags of original branding.
V***s
Brunei Darussalam
Verified Purchase
5 .0
2025-06-03
Solid performance on our 25GbE optical transceiver deployment. We tested these over an 8km single-mode run across our corporate facility, and the received power remained comfortably within the recommended safety margins. No CRC errors.
E***r
Brazil
Verified Purchase
5 .0
2025-05-27
Excellent Cost-to-Performance Ratio! In enterprise network environments, balancing budget with performance efficiency is always a challenge. These 25G optical transceivers offer the exact same physical and logical performance profiles as first-party alternatives. We run them across our centralized patch frames over single-mode fiber paths, and they maintain absolute link stability. The housing handles heat dissipation effectively, preventing localized hotspots on high-density 48-port blades.
A***d
France
Verified Purchase
4 .0
2025-04-28
Checked the SFF-8472 compliance and DOM functions; everything reports correctly in our switch OS. The transceivers are commercial-grade (0-70°C), so make sure your indoor cabinet has proper ventilation. Wish they offered a free patch cable in the bulk kits!
l***x
Japan
Verified Purchase
5 .0
2024-05-24
Went to this site for a computer hard drive. Quickly found exactly what I wanted and for a great price. Was done in minutes.
J***r
France
Verified Purchase
5 .0
2024-05-18
Quick and reliable service at a competitive price
J***n
United States
Verified Purchase
5 .0
2024-05-17
Not much to say. It works.
C***n
Indonesia
Verified Purchase
5 .0
2024-04-24
Excellent product selection, price, and expedited shipping. Meanwhile, the price is also very reasonable and affordable.
A***s
Poland
Verified Purchase
5 .0
2024-04-01
LINK-PP is a company with excellent sales people. They are technically oriented and know their products well. I have used them several times. Right product, on time, every time!
W***i
Argentina
Verified Purchase
5 .0
2024-03-27
The Website is good. I hope to see the product delivered in a reasonable time.
J***n
India
Verified Purchase
5 .0
2024-03-18
The shipment has arrived and I have to praise the packaging of the Optical Transceiver Module and especially the new 10/25/40G Transceiver Modules sealed boxes. Thx.
C***o
Israel
Verified Purchase
5 .0
2024-02-22
Good quality for a small price. I know that i buy more from this product.
T***g
Russian Federation
Verified Purchase
5 .0
2024-01-04
Went smoothly. No problem, except the wrong tracking information.
W***g
Canada
Verified Purchase
5 .0
2023-11-27
Package arrived when promised and in excellent shape.
G***y
Republic of Korea
Verified Purchase
5 .0
2023-11-09
Excellent quality compatible 10/25/40G Transceiver Modules ethernet modules, speedily delivered. We always use this supplier.
A***A
Romania
Verified Purchase
5 .0
2023-11-02
The 10/25/40G Transceiver Modules and service has been great, we have enjoyed good performance. Response at times is a little slow.
N***v
Denmark
Verified Purchase
5 .0
2023-10-30
Tested on the following.
R***e
Poland
Verified Purchase
5 .0
2023-10-18
These modules are awesome. They work prefectly. They are recognized right away with the speeds advertised. LINK-PP support has been great with all of our questions and helping us find the right modules for our needs. We will be using LINK-PP again the future for our Fiber needs. Thank you!
t***r
South Africa
Verified Purchase
5 .0
2023-10-08
It arrived in good order and was what I expected and ordered.
B***n
Philippines
Verified Purchase
5 .0
2023-09-20
Fast delivery & easy installation. Thanks!
B***m
Poland
Verified Purchase
5 .0
2023-09-11
Great Price. Great Customer Service. Answered their phone promptly - shipped with great packaging. I would definitely shop here again.thank you!
L***n
Turkey
Verified Purchase
5 .0
2023-08-18
Unbeatable price, Fast shipping, high quality.
K***n
Denmark
Verified Purchase
5 .0
2023-05-24
very responsive, competitive, and reliable.
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