We are upgrading a legacy campus security alarm matrix that uses SONET framing. Does the module support these standards?

Yes, the LS-MM8501-02I fully supports multi-protocol layers including Fast Ethernet and SONET OC-3 architectures. It maintains precise protocol serialization for stable telemetry communication.

Can our remote network operations center read the exact laser bias current and module voltage through the DOM interface?

Yes, the integrated diagnostic monitoring continuously streams precise physical layer data directly to your monitoring software. This allows you to track transceiver health without visiting the physical site.

Our roadside traffic monitoring cabinets suffer from intense summer heatwaves. Will this module overheat and drop links?

Not at all, this transceiver is explicitly engineered as an industrial-grade -40 to +85°C wide temperature range. Its heavy-duty optical components handle temperature extremes seamlessly without any thermal or signal drifting.

Can we pair this 850nm SFP transceiver with a 1310nm multi-mode module on the other end of the building run?

No, optical transceivers must match identical wavelengths on both sides of the link to achieve a valid connection.

Will this 850nm transceiver function properly if our underground multi-mode fiber runs experience tight bends inside narrow conduits?

As long as the physical fiber attenuation stays within standard parameters, the module's excellent receiver sensitivity handles minor bend losses easily. It provides plenty of link margin for complex cable routing.

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

Name: LINK-PP LS-MM8501-02I 155M SFP 850nm 2km Duplex LC DOM MMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 205697
Price: 5.762 USD
Availability: InStock
Rating: 4.9 (20 reviews)

# 205697

Product: LINK-PP LS-MM8501-02I 155M SFP 850nm 2km Duplex LC DOM MMF Optical Transceiver Module (Industrial)
SKU: 205697
P/N: LS-MM8501-02I
Price: $ 6.7
Stock: 120 in Stock
Sold: 980
Product URL: https://www.l-p.com/products/494048.htm

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Compatible P/N:: 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

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LINK-PP LS-MM8501-02I 155M SFP Specifications

LS-MM8501-02I represents a 155M multi-mode SFP optical module utilizing an 850nm wavelength, enabling transmission distances up to 2km over multi-mode fiber, and integrating a VCSEL-based transmitter with a PIN photodiode receiver within an industrial-grade operating temperature range of −40 °C to +85 °C.

LINK-PP Part Number	LS-MM8501-02I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	850nm	Max Cable Distance	2km
Connector	Duplex LC	Media	MMF
Transmitter Type	VSCEL	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	-23dBm	DOM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	MSA Compliant

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Q: We are upgrading a legacy campus security alarm matrix that uses SONET framing. Does the module support these standards? By S***e on 2026-04-02

A: Yes, the LS-MM8501-02I fully supports multi-protocol layers including Fast Ethernet and SONET OC-3 architectures. It maintains precise protocol serialization for stable telemetry communication. By admin on 2026-04-03
Q: Can our remote network operations center read the exact laser bias current and module voltage through the DOM interface? By O***g on 2026-01-07

A: Yes, the integrated diagnostic monitoring continuously streams precise physical layer data directly to your monitoring software. This allows you to track transceiver health without visiting the physical site. By admin on 2026-01-08
Q: Our roadside traffic monitoring cabinets suffer from intense summer heatwaves. Will this module overheat and drop links? By L***s on 2025-11-13

A: Not at all, this transceiver is explicitly engineered as an industrial-grade -40 to +85°C wide temperature range. Its heavy-duty optical components handle temperature extremes seamlessly without any thermal or signal drifting. By admin on 2025-11-14
Q: Can we pair this 850nm SFP transceiver with a 1310nm multi-mode module on the other end of the building run? By J***s on 2025-07-18

A: No, optical transceivers must match identical wavelengths on both sides of the link to achieve a valid connection. By admin on 2025-07-19
Q: Will this 850nm transceiver function properly if our underground multi-mode fiber runs experience tight bends inside narrow conduits? By E***s on 2025-03-21

A: As long as the physical fiber attenuation stays within standard parameters, the module's excellent receiver sensitivity handles minor bend losses easily. It provides plenty of link margin for complex cable routing. By admin on 2025-03-22

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M***l

Belgium

Verified Purchase

5 .0

2026-05-11

Using these 155M 850nm SFP transceivers for a legacy industrial automation setup. The multi-mode fiber runs are around 1.5km, and the link has been completely stable without a single drop. Outstanding quality for the price!

92 Helpful vote Comments

M***r

Bangladesh

Verified Purchase

5 .0

2026-05-03

Highly reliable 155M SFP optics. The duplex LC interface fits perfectly with our multi-mode fiber patch cables. Diagnostic monitoring parameters are fully visible in our SNMP network management dashboard.

107 Helpful vote Comments

J***t

Malaysia

Verified Purchase

5 .0

2026-04-24

We recently deployed a batch of these industrial-grade 155M SFP modules across our distributed campus network nodes. The transceivers integrate perfectly with our existing infrastructure, showing standard compliance without requiring any port configuration bypass commands. Real-time telemetry via the built-in DOM feature provides highly accurate data for voltage, temperature, and optical power directly to our SNMP console. The 850nm wavelength laser provides exceptional signal integrity over a 1.8km duplex LC multi-mode fiber link span. For any engineering team looking for dependable Fast Ethernet hardware for challenging deployment environments, these units offer phenomenal long-term reliability.

124 Helpful vote Comments

C***e

Netherlands

Verified Purchase

5 .0

2026-04-02

I liked the DOM support because it made health checks much easier during rollout.

44 Helpful vote Comments

H***h

Republic of Korea

Verified Purchase

5 .0

2026-03-27

We deployed these transceivers for a base station backhaul link simulation. The 850nm wavelength transmission is extremely accurate, and the industrial-grade wide temperature tolerance guarantees long-term field stability.

81 Helpful vote Comments

J***e

Brazil

Verified Purchase

5 .0

2026-02-18

Industrial-grade operating temperature holds up well in our harsh outdoor enclosure!

78 Helpful vote Comments

C***s

Denmark

Verified Purchase

4 .0

2026-02-04

Industrial temperature range and 850nm duplex LC performance are fantastic. The shipment arrived a day late due to a local sorting facility error. The product quality is undeniable, but the courier choice could be better.

25 Helpful vote Comments

X***e

Singapore

Verified Purchase

5 .0

2025-12-05

We needed a reliable 155M multi-mode SFP transceiver for an older campus aggregation block. These LS-MM8501-02I modules did the trick immediately. The duplex LC connector clicked in securely, and the 850nm signal is clean.

103 Helpful vote Comments

E***s

Turkey

Verified Purchase

5 .0

2025-11-28

We integrated these 155M multi-mode SFP transceivers into a ruggedized remote base station backhaul link simulation. Commercial-grade modules were out of the question, but the industrial-grade operating temperature range of this model ensures absolute stability in extreme conditions. We verified the line performance using a dedicated traffic generator, and the receiver sensitivity exceeded our baseline requirements over the 2km range. The DOM telemetry data is entirely transparent, matching our high-precision optical power meter readings perfectly. This transceiver has been an absolute lifesaver for field engineering projects that require robust, standard-compliant legacy networking hardware.

147 Helpful vote Comments

L***n

Austria

Verified Purchase

5 .0

2025-11-14

Nice SFP module for older gear that still needs stable 155M connectivity.

57 Helpful vote Comments

A***y

Finland

Verified Purchase

5 .0

2025-10-25

Perfect match for our multi-mode fiber patch panels. The dual LC interface provides a tight connection. We've deployed 50 of these LS-MM8501-02I modules in our edge distribution switches and they are flawless.

121 Helpful vote Comments

L***r

Spain

Verified Purchase

5 .0

2025-09-12

Managing a smart traffic signal network means our networking hardware is exposed to extreme outdoor environments within unconditioned roadside enclosures. We chose these industrial-grade 155M SFP modules specifically for their rugged thermal specifications and wide temperature tolerance. Running them over our multi-mode fiber network across intersection distances of roughly 1.7km has resulted in flawless link stability. The dual LC optical interface provides a highly reliable physical connection that resists degradation. Thanks to the built-in diagnostic monitoring feature, our maintenance team tracks link health remotely, drastically reducing physical truck rolls.

158 Helpful vote Comments

J***e

Italy

Verified Purchase

4 .0

2025-08-21

The LS-MM8501-02I 155M SFP modules work perfectly on our multi-mode fiber network, but the courier delayed delivery by two days, which pushed back our maintenance window slightly. The product itself is great, though.

36 Helpful vote Comments

S***g

New Zealand

Verified Purchase

5 .0

2025-08-09

Pretty happy with the price point for a DOM-enabled 2km SFP.

62 Helpful vote Comments

L***e

Indonesia

Verified Purchase

5 .0

2025-08-08

Our outdoor cabinet deployment required strict industrial-grade transceivers due to summer heat. These 155M 2km SFP modules haven't shown any thermal drifting. The 850nm laser source remains exceptionally stable.

84 Helpful vote Comments

I***s

South Africa

Verified Purchase

5 .0

2025-07-19

We swapped out some older failing transceivers with these LINK-PP 155M multi-mode modules. Instant link aggregation, zero configuration required on the console side. Very satisfied.

98 Helpful vote Comments

E***t

United States

Verified Purchase

5 .0

2025-06-30

Link status is stable, DOM monitoring makes maintenance super easy.

65 Helpful vote Comments

E***r

Ireland

Verified Purchase

5 .0

2025-04-17

Good price-to-performance ratio for bulk enterprise procurement. These 2km multi-mode SFP modules do exactly what they promise. Digital Optical Monitoring works perfectly, giving us real-time TX/RX power levels.

58 Helpful vote Comments

O***s

France

Verified Purchase

5 .0

2025-03-22

Solid 155M multi-mode SFP transceivers, perfect for our short-range fiber runs.

35 Helpful vote Comments

A***n

Morocco

Verified Purchase

5 .0

2025-03-05

In the power substation automation field, network hardware reliability is non-negotiable for protection relays. We deployed these industrial 155M SFP modules into ruggedized switches, and they have demonstrated excellent immunity to electromagnetic interference. The multi-mode fiber connection via duplex LC is perfectly optimized, and the internal components handle wide temperature swings effortlessly. The DOM metrics let us track parameters like optical launch power and supply voltage in real-time through standard enterprise software. The protocol stability is flawless, ensuring data packets move without frame delays, making it ideal for our network infrastructure.

139 Helpful vote Comments