What type of fiber patch cables do we need to plug into this transceiver?

You need standard multimode fiber patch cables with a duplex LC connector. For maximum transmission distance up to 2km, OM3 multimode fiber is recommended.

We have an outdoor utility box that gets freezing cold in the winter (-25°C) and bakes in the summer. Will this transceiver survive without an internal cabinet heater?

Yes, it is built for harsh environments. The LS-MM852M-02I module features a true industrial operating temperature range of -40°C to +85°C, meaning it can boot up and run reliably in unheated roadside cabinets or high-temperature outdoor enclosures.

Hi, we need to convert several RS485 serial links across our factory floor to fiber to avoid electrical noise. Can this LS-MM852M-02I module handle serial data over optical fiber?

Yes, definitely. It is designed specifically for RS485, RS422, and RS232 serial transmission over fiber. The 850nm multimode link provides full electrical isolation, so heavy motor interference will not affect your signal at all, even across distances up to 2km.

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LINK-PP LS-MM852M-02I 2M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-MM852M-02I 2M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 219813
Price: 10.161 CAD
Availability: InStock
Rating: 4.9 (25 reviews)

Product: LINK-PP LS-MM852M-02I 2M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module (Industrial)
SKU: 219813
P/N: LS-MM852M-02I
Price: CA$ 11.815
Stock: 180 in Stock
Sold: 320
Product URL: https://www.l-p.com/products/496299.htm

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

3 Questions

320 Sold

CA$ 8.5

Free shipping. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

CA$ 11.815

100

CA$ 11.225

1000

CA$ 10.87

3000

CA$ 10.516

6000

CA$ 10.161

Manufacture: LINK-PP P/N: LS-MM852M-02I SKU: 219813

Compatible:: LINK-PP

Compatible P/N:: LP-01-TC | 100m; LP-01-TI | 100m; LS-MM8501-S5C | 550m; LS-MM8501-S5I | 550m; LS-MM3101-02C | 2km; LS-MM3101-02EI | 2km; LS-MM3101-02I | 2km; LS-MM8501-02C | 2km; LS-MM8501-02I | 2km; LS-MM852M-02I | 2km; LS-BL315501-10C | 10km; LS-BL315501-10I | 10km; LS-BL553101-10C | 10km; LS-BL553101-10I | 10km; LS-SM3101-10C | 10km; LS-SM3101-10I | 10km; LS-BL315501-15C | 15km; LS-BL553101-15C | 15km; LS-SM3101-15C | 15km; LS-BL315501-20C | 20km; LS-BL315501-20I | 20km; LS-BL553101-20C | 20km; LS-BL553101-20I | 20km; LS-SM3101-20C | 20km; LS-SM3101-20I | 20km; LS-BL315501-40C | 40km; LS-BL315501-40I | 40km; LS-BL553101-40C | 40km; LS-BL553101-40I | 40km; LS-SM3101-40C | 40km; LS-SM3101-40I | 40km; LS-BL315501-80C | 80km; LS-BL315501-80I | 80km; LS-BL495501-80C | 80km; LS-BL495501-80I | 80km; LS-BL553101-80C | 80km; LS-BL553101-80I | 80km; LS-BL554901-80C | 80km; LS-BL554901-80I | 80km; LS-SM5501-80C | 80km; LS-SM5501-80I | 80km; LS-SM5501-A2C | 120km; LS-SM5501-A2I | 120km

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to Canada via FedEx

Estimated delivery time : 3 - 10 days.

5-Year Warranty 30-Day Returns 30-Day Exchange

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Specifications
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LINK-PP LS-MM852M-02I 2M SFP Specifications

The LS-MM852M-02I is a 2M SFP optical transceiver module engineered with an 850nm VCSEL transmitter to deliver data transmission up to 2km over OM3 multimode fiber. It integrates real-time digital diagnostic monitoring (DDM) via an I²C interface, providing continuous tracking of operating parameters such as optical power, temperature, and supply voltage.

LINK-PP Part Number	LS-MM852M-02I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	2Mbps
Wavelength	850nm	Max Cable Distance	2km
Connector	Duplex LC	Media	MMF
Transmitter Type	VSCEL	Receiver Type	PIN
DDM/DOM	Supported	Operating Temperature Range	-40 to 85°C
Protocols	IEEE C37.94, IEC 62843	Warranty	5 Years

Key Features of LINK-PP LS-MM852M-02I 2M SFP

LINK-PP LS-MM852M-02I is an industrial-grade 2M SFP optical module that brings together an 850nm wavelength, 2km transmission distance, a duplex LC port, and real-time DDM support. It provides reliable and steady optical connectivity built to work smoothly in tough industrial environments.

LINK-PP LS-MM852M-02I 2M SFP Optical Module

This module is a perfect solution for ultra-low speed communication networks that need dependable fiber links. It provides the system designer with products for RS232/RS485/RS422 receptacle fiber transmission, making it easy to upgrade copper serial lines to fiber.

LS-MM852M-02I: 2 Mbps Connectivity for Industrial Serial Systems

A 2Mbps data rate delivers the exact speed needed for smooth industrial serial communication. It ensures steady data exchange between machinery, sensors, and remote serial devices without timing errors.

LS-MM852M-02I Module with 850nm Wavelength

The internal 850nm VCSEL transmitter sends clear optical signals across standard multimode fiber cores. It keeps power usage very low while maintaining dependable light output for medium-range connections.

LS-MM852M-02I Module Supporting 2km Transmission

Transmission reach extends up to 2km over standard OM3 multimode fiber cables. This medium-range easily connects separate equipment rooms and field devices without the need for extra signal repeaters.

LS-MM852M-02I Module with Duplex LC Interface

A standard duplex LC connector allows quick, snap-in installation using common multimode fiber patch cords. Its compact size helps save panel space on industrial switches, serial converters, and rack equipment.

LS-MM852M-02I Module with DDM for Real-Time Monitoring

Built-in DDM functionality lets engineers easily monitor key values like module temperature, bias current, and optical power in real time. This live status tracking helps catch link issues early and simplifies daily system maintenance.

LINK-PP LS-MM852M-02I 2M SFP Certification

LINK-PP LS-MM852M-02I SFP transceiver complies with global industry standards, holding official ISO 9001, CE, RoHS, and FCC certifications. These verified credentials ensure the module meets strict international requirements for manufacturing quality, safety, and environmental protection.

LS-MM852M-02I Quality Testing Program

We inspect every 2M SFP module to confirm clear signal transmission and stable power levels. Rigorous temperature testing proves the module can run smoothly even in tough industrial settings.

LS-MM852M-02I Quality Certifications

Official compliance approvals verify that the module meets strict electrical stability and electromagnetic safety standards. These certified ratings confirm the device is authorized for use in regulated industrial installations.

LS-MM852M-02I Certified for Reliable Host-Device Compatibility

Each module is tested on original industrial switches, serial servers, and media converters to guarantee smooth plug-and-play recognition. Its standardized MSA firmware prevents port error alerts and ensures seamless integration across diverse hardware brands.

Rigorous Testing Ensures Reliable SFP Performance

Every LS-MM852M-02I 2M SFP transceiver completes comprehensive evaluations to verify stable signal quality and operational durability before shipment. To learn more about our validation standards, visit the LINK-PP Test Support Center.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Verify central wavelength accuracy and spectral width on optical analyzers.

Eye Pattern Test

Evaluate optical signal quality and waveform balance using high-speed oscilloscopes.

Bit Error Rate Test

Measure data transmission accuracy under full network load across fiber.

Temperature Test

Check operating stability across extreme industrial hot and cold environments.

Product Shipping for LINK-PP LS-MM852M-02I 2M SFP

We use secure packaging and dependable carriers to deliver your optical modules safely. Every order is handled quickly to reach your facility without unnecessary delays.

Anti-Static Protective Packaging

Prevent electrostatic discharge damage using specialized protective shielding enclosures.

Shock-Resistant Transport Protection

Absorb transit impacts using durable outer cartons during extended shipping.

Fast Order Processing and Dispatch

Prepare and release verified orders swiftly for on-time warehouse dispatch.

Global Logistics and International Delivery

Ship worldwide through reliable international express courier partners smoothly.

LINK-PP LS-MM852M-02I 2M SFP Usage Demonstration

Slide the LS-MM852M-02I 2M SFP into your host device and click your duplex LC patch cord into place. The module establishes instant optical links for industrial serial systems, extending RS232, RS485, and RS422 communications between remote sensors, controllers, and plant monitoring hardware without complex configuration.

LS-MM852M-02I 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

Professional guidance to help you select the optimal LS-MM852M-02I module for your network design and application needs.

Compatibility Verification Support

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

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

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

LINK-PP LS-MM852M-02I 2M SFP After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15-day no-reason return and refund

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free repair services for manufacturing defects throughout the warranty period

Warranty exclusions and conditions apply

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Product Drawing LS-MM852M-02I.pdf Download

Questions & Answers
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Q: What type of fiber patch cables do we need to plug into this transceiver? By H***t on 2026-03-01

A: You need standard multimode fiber patch cables with a duplex LC connector. For maximum transmission distance up to 2km, OM3 multimode fiber is recommended. By admin on 2026-03-02
Q: We have an outdoor utility box that gets freezing cold in the winter (-25°C) and bakes in the summer. Will this transceiver survive without an internal cabinet heater? By T***r on 2025-09-25

A: Yes, it is built for harsh environments. The LS-MM852M-02I module features a true industrial operating temperature range of -40°C to +85°C, meaning it can boot up and run reliably in unheated roadside cabinets or high-temperature outdoor enclosures. By admin on 2025-09-26
Q: Hi, we need to convert several RS485 serial links across our factory floor to fiber to avoid electrical noise. Can this LS-MM852M-02I module handle serial data over optical fiber? By B***n on 2025-02-20

A: Yes, definitely. It is designed specifically for RS485, RS422, and RS232 serial transmission over fiber. The 850nm multimode link provides full electrical isolation, so heavy motor interference will not affect your signal at all, even across distances up to 2km. By admin on 2025-02-21

Customer Reviews
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M***n

Netherlands

Verified Purchase

5 .0

2026-06-28

Perfect 2M SFP optical module for our outdoor cabinet links :)

40 Helpful vote Comments

S***z

Hungary

Verified Purchase

5 .0

2026-06-04

The industrial temperature rating is genuine. We have zero link flaps even on hot summer afternoons inside closed metal cabinets.

66 Helpful vote Comments

B***s

Belgium

Verified Purchase

5 .0

2026-05-31

We needed low-speed 2Mbps fiber optic modules for our field telemetry setup. These slotted into our industrial chassis and linked up right away. Very reliable connection.

79 Helpful vote Comments

J***l

Macao

Verified Purchase

5 .0

2026-05-14

We used these 2M SFP transceivers to upgrade old copper control lines to fiber across our power yard. Over 1.4km of multimode fiber, latency is practically zero and signal transmission is completely immune to electrical noise. Setup was plug-and-play with no configuration headaches.

108 Helpful vote Comments

E***s

Hungary

Verified Purchase

5 .0

2026-04-22

Deployed across our rail monitoring cabinets where heavy track vibration is common. The SFP housing locks tightly into the cage, and the low-speed 2Mbps optical signal has been running uninterrupted for months without a single CRC error or dropped packet ;)

95 Helpful vote Comments

C***z

Philippines

Verified Purchase

5 .0

2026-04-14

Clean 850nm signal across our 1.5km multimode run ;)

34 Helpful vote Comments

M***z

Maldives

Verified Purchase

5 .0

2026-03-18

Clean latching bail and tight LC connection. They fit firmly into the SFP cages without any wobble or loose optical seating.

75 Helpful vote Comments

J***s

Netherlands

Verified Purchase

4 .0

2026-01-27

The outer shipping box arrived slightly dented from the courier, but the inner protective packaging kept the optical modules and dust caps in pristine shape. All of the modules work fine.

17 Helpful vote Comments

G***n

Austria

Verified Purchase

5 .0

2026-01-12

Deployed these inside roadside control boxes next to heavy electrical gear. Clean signal isolation with no data drops or framing errors :-)

80 Helpful vote Comments

Z***e

Italy

Verified Purchase

5 .0

2026-01-05

Tested these in freezing winter weather down to -30°C. They powered up instantly and kept the optical link steady all season long.

72 Helpful vote Comments

J***s

Hong Kong

Verified Purchase

5 .0

2025-12-30

Bought a batch for our remote telemetry sites. These modules provide full optical isolation between distant equipment racks, eliminating ground loop issues completely. DDM readings are accurate, and the duplex LC latch feels sturdy enough for repeated field maintenance.

93 Helpful vote Comments

S***l

Brazil

Verified Purchase

5 .0

2025-12-14

Good rugged metal housing, snapped right in =D

47 Helpful vote Comments

H***z

Thailand

Verified Purchase

5 .0

2025-11-22

We installed ten of these modules for long-distance serial-over-fiber links between remote utility buildings. The 850nm transmitter provides plenty of light margin over 1.6km of multimode cable. The DDM telemetry reports steady optical power and supply voltage, making line troubleshooting very straightforward.

125 Helpful vote Comments

N***a

Germany

Verified Purchase

5 .0

2025-10-02

Hard to find good 2Mbps multimode SFP transceivers with full digital diagnostics. These provide accurate readings and rock-solid link stability :D

89 Helpful vote Comments

K***t

Norway

Verified Purchase

5 .0

2025-09-28

Installed in unheated utility boxes, working flawlessly.

51 Helpful vote Comments

A***r

Brazil

Verified Purchase

5 .0

2025-09-06

Running these inside outdoor junction boxes exposed to extreme cold in the morning and baking heat in the afternoon. The wide operating temperature range handles the thermal stress easily. Light output stays stable and the internal PIN receiver picks up a very clean signal :-)

120 Helpful vote Comments

M***g

Canada

Verified Purchase

5 .0

2025-08-23

We used this LS-MM852M-02I SFP module in an outdoor control enclosure where summer heat is a real concern. The industrial temperature range gave us more confidence than standard commercial optics. It linked over existing multimode fiber without needing any changes to the LC patching.

106 Helpful vote Comments

A***r

Ireland

Verified Purchase

5 .0

2025-07-08

Put these optical modules into a campus fiber ring serving several electrical rooms. The 2km MMF reach was enough for our layout, and the duplex LC interface made the installation straightforward. We checked TX/RX power through DOM during handover and everything stayed within a healthy range :-)

112 Helpful vote Comments

M***s

Turkey

Verified Purchase

5 .0

2025-06-28

Solid industrial-grade SFP transceivers, zero packet loss observed.

45 Helpful vote Comments

R***r

Mexico

Verified Purchase

5 .0

2025-06-01

Excellent value for true industrial-grade optical modules. Optical budget is generous across our entire 1.5km multimode cable loop. Everything from the DDM temperature reporting to the physical clip mechanism feels well made and dependable.

88 Helpful vote Comments

M***r

Japan

Verified Purchase

5 .0

2025-05-01

Real-time DDM monitoring works as expected. We can easily verify light levels and module temp from our control room. Very helpful feature.

83 Helpful vote Comments

B***l

Malaysia

Verified Purchase

5 .0

2025-04-18

Strong optical power budget across our 1.8km multimode line. Power consumption stays cool inside compact DIN-rail enclosures.

91 Helpful vote Comments

P***k

Bangladesh

Verified Purchase

5 .0

2025-03-24

Fast link sync and low latency on our field controllers.

50 Helpful vote Comments

N***s

France

Verified Purchase

4 .0

2025-03-08

The shipment arrived a day late due to local transit delays, but the 2Mbps industrial-grade SFP transceivers work exactly as specified in our field enclosures.

23 Helpful vote Comments

J***z

Macao

Verified Purchase

5 .0

2025-02-02

Finding reliable 2Mbps industrial-grade SFP modules for specialized protocol gear can be tricky. We plugged these into our hardened switches across our water treatment facility. Even with significant motor vibration and daily temperature shifts, the transceivers maintain a clean, stable link without dropping any telemetry packets :D

113 Helpful vote Comments

Verified Purchase

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LS-MM8501-02I | 2km

LINK-PP LS-MM8501-02I 155M SFP 850nm 2km Duplex LC DOM MMF Optical Transceiver Module (Industrial)

20 Reviews
|
980 Sold

CA$ 9.313 ~~CA$ 0.00~~

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LINK-PP

LS-MM8501-02C | 2km

LINK-PP LS-MM8501-02C 155M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module

26 Reviews
|
2.8K Sold

CA$ 7.923 ~~CA$ 0.00~~

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LINK-PP

LS-BL554901-80I | 80km

LINK-PP LS-BL554901-80I 155M SFP BiDi 1550nm-TX/1490nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module (Industrial)

17 Reviews
|
1.7K Sold

CA$ 15.29 ~~CA$ 0.00~~

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LINK-PP

LS-BL554901-80C | 80km

LINK-PP LS-BL554901-80C 155M SFP BiDi 1550nm-TX/1490nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module

23 Reviews
|
2.5K Sold

CA$ 13.9 ~~CA$ 0.00~~

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LINK-PP

LS-BL553101-80I | 80km

LINK-PP LS-BL553101-80I 155M SFP BiDi 1550nm-TX/1310nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module (Industrial)

24 Reviews
|
1.9K Sold

CA$ 15.29 ~~CA$ 0.00~~

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LINK-PP

LS-BL553101-80C | 80km

LINK-PP LS-BL553101-80C 155M SFP BiDi 1550nm-TX/1310nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module

22 Reviews
|
1.9K Sold

CA$ 13.9 ~~CA$ 0.00~~

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LINK-PP LS-MM852M-02I 2M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module (Industrial)

Product summary

Product Details

LINK-PP LS-MM852M-02I 2M SFP Specifications

Key Features of LINK-PP LS-MM852M-02I 2M SFP

LINK-PP LS-MM852M-02I 2M SFP Optical Module

LS-MM852M-02I: 2 Mbps Connectivity for Industrial Serial Systems

LS-MM852M-02I Module with 850nm Wavelength

LS-MM852M-02I Module Supporting 2km Transmission

LS-MM852M-02I Module with Duplex LC Interface

LS-MM852M-02I Module with DDM for Real-Time Monitoring

LINK-PP LS-MM852M-02I 2M SFP Certification

LS-MM852M-02I Quality Testing Program

LS-MM852M-02I Quality Certifications

LS-MM852M-02I Certified for Reliable Host-Device Compatibility

Rigorous Testing Ensures Reliable SFP Performance

Optical Spectrum Test

Eye Pattern Test

Bit Error Rate Test

Temperature Test

Product Shipping for LINK-PP LS-MM852M-02I 2M SFP

Anti-Static Protective Packaging

Shock-Resistant Transport Protection

Fast Order Processing and Dispatch

Global Logistics and International Delivery

LINK-PP LS-MM852M-02I 2M SFP Usage Demonstration

LS-MM852M-02I Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-MM852M-02I 2M SFP After-Sales Assurance

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LINK-PP LS-MM852M-02I 2M SFP 850nm 2km Duplex LC DDM MMF Optical Transceiver Module (Industrial)

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