We have existing OM2 fiber running 400m between two factory buildings. Can this 622M optical transceiver span that link?

Yes! With 50/125µm multi-mode fiber (like OM2/OM3), the LS-MM8506-S5I SFP module supports distances up to 550m, so your 400m link is comfortably within range.

We are installing outdoor wireless base stations in Northern Canada where winter temperatures drop below -30°C. Will this SFP module boot up and operate reliably?

Absolutely. The "I" suffix in LS-MM8506-S5I stands for Industrial Grade. It is rated for extreme operating temperatures from -40°C to +85°C, ensuring reliable cold-booting and steady performance in harsh winter conditions.

Our cabinet runs on a fluctuating 3.3V power bus. How sensitive is this transceiver to small voltage drops?

The LS-MM8506-S5I module operates on a standard single +3.3V power supply with built-in voltage tolerance. You can track exact voltage performance live via the internal DDM readout.

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LINK-PP LS-MM8506-S5I 622M SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-MM8506-S5I 622M SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 209164
Price: 5.934 USD
Availability: InStock
Rating: 4.9 (24 reviews)

# 209164

Product: LINK-PP LS-MM8506-S5I 622M SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module (Industrial)
SKU: 209164
P/N: LS-MM8506-S5I
Price: $ 6.9
Stock: 150 in Stock
Sold: 850
Product URL: https://www.l-p.com/products/494818.htm

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Manufacture: LINK-PP

P/N: LS-MM8506-S5I

Compatible:: LINK-PP

Compatible P/N:: LP-1G-TC | 100m; LP-RJ451GE-RCI | 100m; LP-RJ451GE-YSI | 100m; LP-SFP-MS8C | 100m; LP-SFP-MS8I | 100m; LP-SFP-MSRC | 100m; LP-SFP-MSRI | 100m; LP-SFP-TM8C | 100m; LP-SFP-TM8I | 100m; LP-SFP-TMRC | 100m; LP-SFP-TMRI | 100m; LS-MM8506-S5C | 550m; LS-MM8506-S5I | 550m; LS-MM851G-S5C | 550m; LS-MM851G-S5I | 550m; LS-MM311G-02AC | 2km; LS-MM311G-02AI | 2km; LS-MM311G-02C | 2km; LS-MM311G-02I | 2km; LS-MM851G-02C | 2km; LS-MM851G-02I | 2km; LS-SM311G-02C | 2km; LS-SM311G-02I | 2km; LS-SM311G-10C | 10km; LS-SM311G-10I | 10km; LS-SM311G-20C | 20km; LS-SM311G-20I | 20km; LS-SM311G-40AI | 40km; LS-SM311G-40C | 40km; LS-SM311G-40I | 40km; LS-SM551G-40C | 40km; LS-SM551G-40I | 40km; LS-SM551G-60C | 60km; LS-SM551G-60I | 60km; LS-SM551G-80C | 80km; LS-SM551G-80I | 80km; LS-SM551G-A0C | 100km; LS-SM551G-A0I | 100km; LS-SM551G-A2C | 120km; LS-SM551G-A2I | 120km; LS-SM551G-A6C | 160km; LS-SM551G-A6I | 160km

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LINK-PP LS-MM8506-S5I 622M SFP Specifications

LS-MM8506-S5I serves as a 622M multi-mode SFP optical transceiver engineered for industrial-grade endurance from -40 to +85°C, delivering reliable 850nm signaling across legacy fiber infrastructure with a reach of up to 550m on 50/125µm MMF or 300m on 62.5/125µm MMF.

LINK-PP Part Number	LS-MM8506-S5I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	622Mbps
Wavelength	850nm	Max Cable Distance	550m
Connector	Duplex LC	Media	MMF
Transmitter Type	VCSEL	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-20 to -1dBm
Receiver Sensitivity	-18dBm	DOM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	MSA Compliant

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Q: We have existing OM2 fiber running 400m between two factory buildings. Can this 622M optical transceiver span that link? By E***d on 2026-03-08

A: Yes! With 50/125µm multi-mode fiber (like OM2/OM3), the LS-MM8506-S5I SFP module supports distances up to 550m, so your 400m link is comfortably within range. By admin on 2026-03-09
Q: We are installing outdoor wireless base stations in Northern Canada where winter temperatures drop below -30°C. Will this SFP module boot up and operate reliably? By D***m on 2025-11-04

A: Absolutely. The "I" suffix in LS-MM8506-S5I stands for Industrial Grade. It is rated for extreme operating temperatures from -40°C to +85°C, ensuring reliable cold-booting and steady performance in harsh winter conditions. By admin on 2025-11-05
Q: Our cabinet runs on a fluctuating 3.3V power bus. How sensitive is this transceiver to small voltage drops? By E***n on 2025-08-13

A: The LS-MM8506-S5I module operates on a standard single +3.3V power supply with built-in voltage tolerance. You can track exact voltage performance live via the internal DDM readout. By admin on 2025-08-14

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J***n

Canada

Verified Purchase

5 .0

2026-05-11

Ordered a batch of 622M 850nm optical transceivers for our Fast Ethernet links. The live optical telemetry monitoring shows strong RX power levels well within specification.

98 Helpful vote Comments

S***s

Singapore

Verified Purchase

5 .0

2026-04-05

We installed 20 units of this LS-MM8506-S5I 622M SFP transceiver in outdoor hardened switch enclosures. Over three months of field testing, the DDM reported steady Tx power output and Rx sensitivity even during peak summer ambient temperatures exceeding 45°C inside the cabinet. The 850nm VCSEL transmitter drives clean light pulses down 500m of multi-mode fiber with clean Bit Error Rate margins. Excellent physical-layer reliability for critical telemetry!

137 Helpful vote Comments

M***d

Mexico

Verified Purchase

5 .0

2026-03-21

Deployed across a multi-building campus network extension. The 622M rate matches our legacy WAN edge router interface perfectly, with zero CRC errors over weeks of operation.

89 Helpful vote Comments

P***n

Netherlands

Verified Purchase

5 .0

2026-02-16

Matched our existing multi-mode fiber patch panels; 550m distance is perfect for intra-building runs.

96 Helpful vote Comments

N***s

Japan

Verified Purchase

5 .0

2026-02-03

Flawless 622M SFP optical transceiver performance for our industrial automation ring.

64 Helpful vote Comments

G***n

United Kingdom

Verified Purchase

5 .0

2026-01-27

Decent budget-friendly 622M SFP transceiver for legacy SONET OC-12 hardware.

67 Helpful vote Comments

V***e

Philippines

Verified Purchase

5 .0

2026-01-09

Sourced a batch of 50 LS-MM8506-S5I SFP transceivers for an enterprise campus backhaul migration project. The duplex LC physical port tolerances are tight, providing crisp insertion feedback and low connector insertion loss. Signal attenuation metrics on our OTDR traces showed consistent performance across all multi-mode optical runs up to 500m. The live DDM interface makes troubleshooting optical clean-up easy by providing exact receiver power readings.

115 Helpful vote Comments

D***a

Norway

Verified Purchase

5 .0

2026-01-08

Handled -25°C winter cold snaps without dropping a single frame!

55 Helpful vote Comments

Y***r

Malaysia

Verified Purchase

4 .0

2026-01-02

Hardware works as expected with precise DOM telemetry on our multi-mode fiber links. However, the carrier's international transit took longer than estimated to arrive at our site warehouse.

29 Helpful vote Comments

R***e

Italy

Verified Purchase

5 .0

2025-12-18

Purchased these 622M multi-mode optical modules for legacy SONET OC-12 equipment in a smart manufacturing plant. The optical transmitter and receiver maintain balanced optical power metrics across all channels.

105 Helpful vote Comments

I***s

Brazil

Verified Purchase

5 .0

2025-12-04

Upgraded our municipal traffic monitoring nodes with these wide-temperature 622M SFP modules. The duplex LC connectors seat firmly with clean optical coupling over 500m of multi-mode fiber.

92 Helpful vote Comments

E***n

Germany

Verified Purchase

5 .0

2025-11-14

Installed 30 of these 850nm SFP modules in our outdoor cabinet for base station backhaul, solid link immediately.

48 Helpful vote Comments

U***n

Thailand

Verified Purchase

5 .0

2025-10-23

Our network engineering firm routinely deploys B2B fiber optics hardware for municipal traffic control systems and water treatment facilities. The extended -40°C to +85°C operating range of this 850nm 622M SFP module was the primary purchasing factor. During cold-weather field commissioning, cold boot cycles at -20°C resulted in immediate laser stabilization with no optical drift or link flap. Plug-and-play operation in our switch platforms without requiring custom CLI overrides.

156 Helpful vote Comments

L***h

India

Verified Purchase

5 .0

2025-10-08

Solid OEM-compatible alternative for industrial Ethernet switches. Diagnostic light levels are reported accurately through DDM, making remote link health auditing super easy.

103 Helpful vote Comments

W***r

South Africa

Verified Purchase

5 .0

2025-08-31

In a manufacturing plant, we needed optics transceivers that could tolerate wide temperature swings near stamping presses. These 850nm SFP modules ran continuously at 622M with stable TX/RX levels, and the DOM data fed into our SNMP dashboard for threshold alerts. We’ve had zero flaps across 24 ports, and the LC duplex interface matched our existing structured cabling without re-termination.

146 Helpful vote Comments

F***n

France

Verified Purchase

5 .0

2025-08-09

Best value 622M multi-mode SFP modules we’ve sourced for campus fiber links.

79 Helpful vote Comments

O***g

Norway

Verified Purchase

5 .0

2025-08-02

Needed an industrial-grade optical transceiver with -40°C to +85°C tolerance for pole-mounted surveillance gear. These modules have been running continuously through heatwaves without thermal throttling.

128 Helpful vote Comments

Q***s

Spain

Verified Purchase

5 .0

2025-07-25

Good cost-effective optical transceivers for our off-grid solar node links. Signal attenuation remains stable across 550m multi-mode fiber spans.

62 Helpful vote Comments

K***n

Republic of Korea

Verified Purchase

5 .0

2025-06-30

We use these 550m 850nm SFP optical modules for short-run inter-rack links in our regional hosting facility. Thermal stability is top-notch even inside unconditioned field enclosures.

111 Helpful vote Comments

X***l

Indonesia

Verified Purchase

4 .0

2025-06-12

The transceivers perform exceptionally well in our outdoor cabinet, but shipment was delayed by 2 days at customs clearance. Outer cardboard packaging had slight crushing on one corner, though the individual packaging kept the optical modules completely intact.

41 Helpful vote Comments

N***g

Sweden

Verified Purchase

5 .0

2025-05-19

Reliable physical-layer hardware for power substation telemetry networks. Good signal-to-noise ratio and stable optical budget over multi-mode fiber runs.

91 Helpful vote Comments

C***d

United States

Verified Purchase

5 .0

2025-04-22

Real-time DOM telemetry reading is crisp and accurate on our core switches.

72 Helpful vote Comments

T***y

Russian Federation

Verified Purchase

5 .0

2025-03-29

We recently executed a network modernization across our industrial plant floor, requiring multi-mode fiber runs for legacy OC-12 protocol aggregation. These 622M SFP optical modules passed our optical baseline checks with flying colors. Digital optical monitoring metrics show Rx optical power well above the receiver sensitivity floor across all 30 deployed links. Port latching mechanisms feel sturdy, preventing micro-disconnections caused by heavy equipment vibration nearby. Overall, these modules deliver excellent performance without breaking the budget.

128 Helpful vote Comments

H***n

Australia

Verified Purchase

5 .0

2025-03-15

Packaging was minimal but safe; modules arrived ESD-safe and ready for rack deployment.

83 Helpful vote Comments