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LS-MM8501-S5C 155m sfp 850nm 550m duplex lc ddm mmf optical transceiver module
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LINK-PP LS-MM8501-S5C 155M SFP 850nm 550m Duplex LC DDM MMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-MM8501-S5C 155M SFP 850nm 550m Duplex LC DDM MMF Optical Transceiver Module
SKU
205747
P/N
LS-MM8501-S5C
Price
£ 4.07
Stock
150 in Stock
Sold
850
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
850 Sold
£ 5.5 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
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£ 4.07
100
£ 3.867
1000
£ 3.745
3000
£ 3.623
6000
£ 3.501
Manufacture: LINK-PP P/N: LS-MM8501-S5C SKU: 205747
Compatible:
LINK-PP
Shipping:
Free Shipping
to United Kingdom 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-MM8501-S5C 155M SFP Specifications

LS-MM8501-S5C operates as a commercial-grade 155M SFP module featuring an 850nm optical design and duplex LC interface for 550m transmissions, incorporating real-time Digital Diagnostic Monitoring (DDM) for instant diagnostics while operating between 0 and +70°C.

LINK-PP Part Number LS-MM8501-S5C Vendor Name LINK-PP
Form Factor SFP Max Data Rate 155Mbps
Wavelength 850nm Max Cable Distance 550m
Connector Duplex LC Media MMF
Transmitter Type
VSCEL Receiver Type
PIN
TX Power -14 to -8dBm RX Power -32 to -6dBm
Receiver Sensitivity -23dBm DDM Support Yes
Operating Temperature Range 0 to 70°C Protocols

MSA Compliant

Key Features of LINK-PP LS-MM8501-S5C 155M SFP

LINK-PP LS-MM8501-S5C is a commercial-grade 155M SFP optical transceiver module that combines an 850nm wavelength and a duplex LC interface to support 550m multi-mode fiber transmissions. This hot-pluggable module integrates real-time digital diagnostics to ensure reliable, short-range network connectivity.

LINK-PP LS-MM8501-S5C 155M SFP Optical Module

This transceiver is equipped with a highly efficient 850nm VCSEL laser transmitter and a sensitive PIN photodiode receiver. Together, these optical components deliver reliable signal conversion and excellent electrical-to-optical conversion efficiency.

LS-MM8501-S5C: 155 Mbps Connectivity for Intra-Building LANs

Operating at a steady 155Mbps, this module provides the ideal data rate for Fast Ethernet networks. It is commonly deployed to support essential, stable data links within enterprise office buildings and campus local area networks.

LS-MM8501-S5C Module with 850nm Wavelength

The module utilizes an 850nm short-wavelength optical design optimized specifically for multi-mode fiber systems. This wavelength choice ensures low-cost dispersion characteristics, making it perfect for budget-friendly local data connections.

LS-MM8501-S5C Module Supporting 550m Transmission

Designed for short-reach infrastructure, this SFP safely covers link distances up to 550m over standard multi-mode fiber. It provides plenty of reach to easily span backbones between floor closets or nearby server racks.

LS-MM8501-S5C Module with Duplex LC Interface

Featuring an industry-standard duplex LC optical connector, this module ensures secure and straightforward fiber patching. Its small form-factor plug design allows for clean, high-density port layouts in busy network switches.

LS-MM8501-S5C Module with DDM for Real-Time Monitoring

With integrated Digital Diagnostic Monitoring (DDM), the module offers real-time telemetry of critical parameters like temperature, voltage, and optical power levels. Network administrators can easily use these diagnostics to proactively track link health and prevent unexpected downtime.


LINK-PP LS-MM8501-S5C 155M SFP Certification

The LINK-PP LS-MM8501-S5C optical module meets strict international standards, backed by essential regulatory approvals including ISO 9001, CE, RoHS, and FCC.

Optical Transceivers Testing

Every transceiver undergoes rigorous hardware verification, signal integrity tests, and environmental stress screening before leaving the factory.

LS-MM8501-S5C Quality Certifications

These industry-standard compliance credentials verify that the module meets strict safety, environmental protection, and manufacturing quality requirements.

LS-MM8501-S5C Certified for Reliable Host-Device Compatibility

The module is extensively pre-tested in mainstream switches and routers to ensure seamless plug-and-play recognition without any configuration errors.


Rigorous Testing Ensures Reliable SFP Performance

Through comprehensive diagnostics, our engineering team ensures total hardware integrity and zero packet loss under heavy workloads. Learn more at the LINK-PP Test Support Center.

Optical

Optical Spectrum Test

Measure spectral width to prevent wavelength drift.

Optical

Eye Pattern Test

Audit optical waveform clarity for clean signal transitions.

Optical

Bit Error Rate Test

Confirm flawless packet delivery under full traffic loads.

Optical

Temperature Test

Monitor optical output stability during extreme thermal cycles.


Product Shipping for LINK-PP LS-MM8501-S5C 155M SFP

We secure and expedite every order to ensure your SFP optical transceivers arrive safely and on schedule.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Shield delicate internal circuitry from electrostatic discharge during handling.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Safeguard physical components against structural damage during transit vibrations.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Expedite warehouse handling to guarantee prompt shipment arrival timelines.

Global Logistics and International Delivery

Global Logistics and International Delivery

Coordinate reliable carriers to reach international destinations quickly.

LINK-PP LS-MM8501-S5C 155M SFP Usage Demonstration

Deploying the LINK-PP LS-MM8501-S5C module involves a simple, hot-swappable plug-and-play installation into any standard SFP slot. This commercial module is widely utilized to power Fast Ethernet bridges, industrial control systems, and enterprise intra-building fiber networks across 550-meter spans.

LS-MM8501-S5C 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-MM8501-S5C 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-MM8501-S5C 155M 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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L***t
Macao
Verified Purchase
5 .0
2026-05-28
This 155M SFP optical module has been a strong fit for our short-reach multimode network runs. The 850nm wavelength, duplex LC interface, and 550m transmission rating make it very practical for indoor enterprise links. It installed cleanly, linked up quickly, and stayed stable during long uptime testing. The DOM function also helped our team check optical status with less manual troubleshooting. For legacy 155M environments, it feels like a reliable and straightforward solution.
E***t
Belarus
Verified Purchase
5 .0
2026-05-02
Used for building-to-building fiber link, 100% stable.
M***t
Maldives
Verified Purchase
5 .0
2026-04-10
The LC duplex interface was exactly what we wanted for a fast swap in a telecom closet. The module felt solid and the link stayed up after repeated re-inserts.
L***n
United Kingdom
Verified Purchase
5 .0
2026-03-11
This module was a good fit for a mixed-vendor switch room. It passed our basic compatibility test and the DOM data was easy to read in our monitoring workflow.
V***d
Lithuania
Verified Purchase
4 .0
2026-03-04
The module passed our compatibility test, but the outer carton arrived slightly dented. Fortunately, the SFP optics and link performance were unaffected.
O***r
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2026-02-27
We deployed these 155M SFP modules in a small data room with older fiber panels and they behaved as expected. No unexpected alarms, no link flap, just steady service.
L***d
India
Verified Purchase
5 .0
2026-01-22
DOM features work perfectly on our switches, great value!
N***s
Australia
Verified Purchase
5 .0
2026-01-15
This LS-MM8501-S5C SFP transceiver was a good solution for our indoor fiber backbone where multimode cabling was already in place. The 850nm optics and 550m reach align well with typical short-distance connections between switches and aggregation points. Installation was simple, and the link came up without extra tuning. It is also easy to stock as a replacement part because the use case is so common. Overall, it is a dependable module for routine network support work.
C***e
Bulgaria
Verified Purchase
5 .0
2025-12-31
Used these SFP modules for a multi-mode fiber link between two distribution racks. 550m range is more than enough for our warehouse layout. The DOM interface shows very healthy optical power levels. Recommended!
S***e
Hungary
Verified Purchase
5 .0
2025-12-19
Best budget 155M multi-mode SFP transceiver for enterprise campus networks.
H***n
Iran, Islamic Republic of
Verified Purchase
5 .0
2025-11-02
Our installer said the fit was clean, the latch felt secure, and the module seated properly in every port we tried. That saved time during the rollout
H***e
Sweden
Verified Purchase
5 .0
2025-10-14
From an operations perspective, this is the kind of optic that makes deployment easy. The form factor is familiar, the LC duplex connector is convenient, and the module works well in standard SFP slots. We appreciated the built-in diagnostic monitoring, which gave us useful visibility during validation. Performance stayed steady across multiple test points, and that gave our technicians confidence. It is a sensible part for structured enterprise maintenance.
J***r
Russian Federation
Verified Purchase
5 .0
2025-10-03
Cheap, reliable 850nm 155M SFP module, will buy another batch soon.
Z***n
Japan
Verified Purchase
5 .0
2025-09-26
I bought these for a small branch office refresh, and the install was painless. Duplex LC and MMF support made it a straightforward swap for older 155M SFP optics.
E***s
Israel
Verified Purchase
5 .0
2025-08-30
A good choice for regional office networking where multi-mode cabling is already in place. It kept the project simple and the budget under control.
S***y
Thailand
Verified Purchase
5 .0
2025-07-28
We tested this 155M SFP module as part of a compatibility and stability check for older network equipment. It handled the job without issue and delivered the kind of consistent optical performance we need in production environments. The DOM support made it easier to verify health during commissioning. Because it is designed for multimode fiber and short-reach service, it fits many legacy upgrade scenarios. For teams that value predictable behavior, it is a very solid option.
B***o
United Arab Emirates
Verified Purchase
5 .0
2025-07-07
High-quality 155M SFP optical module, highly recommended for budget setups. ✨
A***l
Canada
Verified Purchase
5 .0
2025-06-14
Fast shipping, flawless 550m run over old OM2 fiber. Perfect!
N***n
Germany
Verified Purchase
5 .0
2025-06-01
Testing these LINK-PP 155M multi-mode optical transceivers on our legacy edge switches. They run cool, pull minimal power, and the DOM monitoring makes tracking RX/TX levels incredibly simple. Will purchase more for the remaining stack.
A***p
Romania
Verified Purchase
5 .0
2025-05-25
We used the LS-MM8501-S5C 155M SFP in a campus multi-mode ring, and it brought up the link cleanly on day one. The 850nm / 550m spec matched our short-run fiber layout well.
I***n
Norway
Verified Purchase
4 .0
2025-05-16
Performance was solid, though the delivery took longer than we expected. Once installed, the SFP behaved exactly as a 550m MMF part should.
G***y
Cambodia
Verified Purchase
5 .0
2025-04-29
Quick hot-swap replacement, absolute lifesaver for our legacy rack!
R***k
Ukraine
Verified Purchase
5 .0
2025-04-05
We used this 155M SFP transceiver in a small office fiber refresh project, and it performed exactly as expected. The commercial-grade design worked well in standard rack and closet environments, where consistent connectivity matters more than extra features. Its multimode support and short-reach distance are a good match for existing fiber plant. The module also behaved well during repeated insert-and-remove cycles. It is a practical choice for teams maintaining older network infrastructure.
A***e
Poland
Verified Purchase
5 .0
2025-03-18
For the price, this is a very practical multi-mode SFP transceiver for legacy Ethernet links. We needed stable short-reach performance more than anything, and it delivered.
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