What is the operating temperature range of this module?

It supports an industrial-grade temperature range from -40°C to +85°C for extreme environments.

Does the LS-SM311G-10I support real-time diagnostic monitoring?

Yes, it includes Digital Optical Monitoring (DOM/DDM) to track temperature, voltage, and optical power.

What type of fiber cable should be used with this SFP?

It requires a single-mode fiber (SMF) cable with a duplex LC connector interface.

What is the maximum transmission distance for this transceiver?

This 1310nm optical module reliably transmits data up to 10 kilometers over single-mode fiber.

Does this optic support the SFF-8472 protocol for DDM/DOM monitoring? I need to track transceiver health in real-time.

Yes, it fully complies with SFF-8472 digital diagnostic monitoring (DOM). You can easily track real-time optical metrics like module temperature, voltage, and accurate TX/RX power levels directly through your switch's operating system.

Will this 1G SFP module work directly with my Cisco Catalyst switches without throwing 'unsupported transceiver' errors?

Yes! It is 100% MSA compliant and coded for seamless OEM compatibility. It works plug-and-play with Cisco, Juniper, Arista, and others without needing any third-party optic CLI workarounds.

Can this module handle outdoor unconditioned cabinets? Summer temps here easily push the internal rack ambient above 75°C.

No problem at all. This is a true industrial-grade transceiver built for harsh environments, supporting a wide operating temperature range from -40°C up to 85°C. It will remain completely stable in your outdoor enclosures.

Just confirming, does this require single mode or multimode fiber? And what connector interface does it use?

This transceiver requires Single Mode Fiber (SMF) and features a standard Duplex LC connector interface. It is designed to support transmission distances up to 10km over a 1310nm wavelength.

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LINK-PP LS-SM311G-10I 1G SFP 1310nm 10km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-SM311G-10I 1G SFP 1310nm 10km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 183986
Price: 5.16 USD
Availability: InStock
Rating: 5 (23 reviews)

# 183986

Product: LINK-PP LS-SM311G-10I 1G SFP 1310nm 10km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 183986
P/N: LS-SM311G-10I
Price: $ 6
Stock: 290 in Stock
Sold: 610
Product URL: https://www.l-p.com/products/478919.htm

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For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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Manufacture: LINK-PP

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Compatible:: Cisco; LINK-PP; Adtran; Alcatel-Lucent; Allen-Bradley; Arista; Avaya; Brocade; Calix; Ciena; Dell; Extreme; FS; Finisar; Fortinet; Generic; H3C; IBM; Intel; Juniper; Moxa; NVIDIA/Mellanox; Netgear

Compatible P/N:: 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-SM311G-10I 1G SFP Specifications

The LINK-PP LS-SM311G-10I is a high-performance, industrial-grade small form-factor pluggable optical transceiver. Designed for gigabit ethernet applications, it delivers robust data transmission over single-mode fiber infrastructure. Operating within a temperature-hardened range of -40°C to +85°C, this module is uniquely engineered to withstand extreme environmental conditions while maintaining maximum signal integrity.

LINK-PP Part Number	LS-SM311G-10I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1310nm	Max Cable Distance	10km
Connector	Duplex LC	Media	SMF
Transmitter Type	FP	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	SFF-8472 MSA Compliant, IEEE 802.3ah-2004

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Q: Does this optic support the SFF-8472 protocol for DDM/DOM monitoring? I need to track transceiver health in real-time. By P***a on 2026-04-14

A: Yes, it fully complies with SFF-8472 digital diagnostic monitoring (DOM). You can easily track real-time optical metrics like module temperature, voltage, and accurate TX/RX power levels directly through your switch's operating system. By admin on 2026-04-14
Q: Will this 1G SFP module work directly with my Cisco Catalyst switches without throwing 'unsupported transceiver' errors? By A***n on 2025-12-28

A: Yes! It is 100% MSA compliant and coded for seamless OEM compatibility. It works plug-and-play with Cisco, Juniper, Arista, and others without needing any third-party optic CLI workarounds. By admin on 2025-12-28
Q: Can this module handle outdoor unconditioned cabinets? Summer temps here easily push the internal rack ambient above 75°C. By L***n on 2025-06-02

A: No problem at all. This is a true industrial-grade transceiver built for harsh environments, supporting a wide operating temperature range from -40°C up to 85°C. It will remain completely stable in your outdoor enclosures. By admin on 2025-06-02
Q: Just confirming, does this require single mode or multimode fiber? And what connector interface does it use? By J***k on 2025-05-29

A: This transceiver requires Single Mode Fiber (SMF) and features a standard Duplex LC connector interface. It is designed to support transmission distances up to 10km over a 1310nm wavelength. By admin on 2025-05-29

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M***s

Greece

Verified Purchase

5 .0

2026-05-23

TX/RX power levels look excellent. Very reliable.

179 Helpful vote Comments

B***r

Russian Federation

Verified Purchase

5 .0

2026-05-03

SFF-8472 DOM works like a charm.

94 Helpful vote Comments

J***z

Ethiopia

Verified Purchase

5 .0

2026-04-20

Upgraded our campus network with these 1310nm optics. Perfect Netgear compatibility and stable 1G speeds.

178 Helpful vote Comments

S***n

Germany

Verified Purchase

5 .0

2026-04-19

Perfect MSA compliant 1G transceiver for the price.

145 Helpful vote Comments

S***z

Denmark

Verified Purchase

5 .0

2026-02-08

Used this for a base station backhaul link. The 10km distance claim holds up perfectly.

148 Helpful vote Comments

L***s

Denmark

Verified Purchase

5 .0

2026-02-08

We deployed a batch of 50 in our data center. H3C and Arista switches recognized them instantly.

73 Helpful vote Comments

S***g

Belgium

Verified Purchase

5 .0

2025-12-23

Sourced these for a manufacturing client needing wide-temp optical links (-40 to 85°C). Plugged into Alcatel-Lucent industrial switches, link came up instantly. The 1310nm FP laser performance is remarkably stable under high thermal loads.

119 Helpful vote Comments

L***z

Ukraine

Verified Purchase

5 .0

2025-12-21

Awesome for long runs. Getting exactly -6dBm TX over an 8km fiber link without issues.

200 Helpful vote Comments

R***n

Portugal

Verified Purchase

5 .0

2025-11-19

Excellent IEEE 802.3ah-2004 compliance. Used in industrial automation switches, they never drop connection.

121 Helpful vote Comments

N***r

Pakistan

Verified Purchase

5 .0

2025-10-30

Really cost-effective 1G industrial SFP. DOM monitoring shows stable temps despite harsh factory conditions.

70 Helpful vote Comments

D***n

Spain

Verified Purchase

5 .0

2025-10-28

Nice single mode 1G optic, highly recommended!

168 Helpful vote Comments

T***z

Republic of Korea

Verified Purchase

5 .0

2025-10-07

The -40 to 85°C rating is legit. Survives our scorching outdoor enclosure summers with ease. ☀️

57 Helpful vote Comments

A***s

Switzerland

Verified Purchase

5 .0

2025-09-03

Great OEM alternative! I ran a bit error rate test for 48 hours on an Extreme Networks fabric using this 10km SMF module. Zero CRC errors, robust 1.25Gbps throughput, and proper SFF-8472 DOM support.

146 Helpful vote Comments

J***z

Greece

Verified Purchase

5 .0

2025-08-05

Great duplex LC SMF module, zero packet loss.

184 Helpful vote Comments

S***s

Philippines

Verified Purchase

5 .0

2025-07-26

Flawless 1.25Gbps link on Juniper switches!

134 Helpful vote Comments

C***r

Finland

Verified Purchase

5 .0

2025-06-12

Solid 1310nm SFP for my home NAS!

179 Helpful vote Comments

B***s

Indonesia

Verified Purchase

5 .0

2025-05-31

Deployed these industrial SFPs in unconditioned NEMA enclosures for a municipal traffic network. Withstanding -30°C winters flawlessly. The -23dBm receiver sensitivity easily handles our 9km splice-heavy single mode fiber plant.

162 Helpful vote Comments

D***e

Ukraine

Verified Purchase

5 .0

2025-05-22

Works perfectly at -40°C in cell tower. ❄️

196 Helpful vote Comments

D***n

Switzerland

Verified Purchase

5 .0

2025-01-24

Tested these 1G SFP 1310nm transceivers across Cisco Catalyst and Fortinet firewalls. DDM reports are highly accurate, and the duplex LC interface feels mechanically solid. Perfect for our edge nodes.

53 Helpful vote Comments

E***g

Argentina

Verified Purchase

5 .0

2024-12-30

Good industrial SFP, deployed in harsh environments.

67 Helpful vote Comments

S***z

Belgium

Verified Purchase

4 .0