What laser safety classification does this product carry?

The LS-SM3101-15C utilizes a high-quality 1310nm DFB laser that fully satisfies all Class I Laser Safety requirements.

Is this specific model suitable for unconditioned outdoor cabinets in extreme environments?

The LS-SM3101-15C is commercial grade (0 to 70°C). For unconditioned outdoor environments, we recommend our industrial wide-temperature version (-40 to 85°C).

What type of fiber patch cable is required for this optical transceiver?

You will need a Duplex LC single-mode fiber (SMF) patch cord, standard 9/125μm specification.

What is the exact optical power budget for this 15km single-mode SFP module?

The TX power ranges from -14 to -8dBm, and the receiver sensitivity goes down to -32dBm, giving you a robust optical budget of at least 18dB.

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FS SFP-100eLX-31 Compatible LINK-PP 155M SFP 1310nm 15km Duplex LC DOM SMF Optical Transceiver Module

Name: FS SFP-100eLX-31 Compatible LINK-PP 155M SFP 1310nm 15km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 212927
Price: 5.934 USD
Availability: InStock
Rating: 4.9 (15 reviews)

# 212927

Product: FS SFP-100eLX-31 Compatible LINK-PP 155M SFP 1310nm 15km Duplex LC DOM SMF Optical Transceiver Module
SKU: 212927
P/N: LS-SM3101-15C
Price: $ 6.9
Stock: 161 in Stock
Sold: 858
Product URL: https://www.l-p.com/products/493876.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

15 Reviews

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Manufacture: LINK-PP

P/N: LS-SM3101-15C

Compatible:: LINK-PP; Allied Telesis; Brocade; Cisco Linksys; FS; H3C

Compatible P/N:: SFP-100LX-31 | 10km; SFP-100eLX-31 | 15km; SFP-100ELX-31 | 20km

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FS SFP-100eLX-31 Compatible LINK-PP 155M SFP Specifications

SFP-100eLX-31 is a specialized 155M SFP single-mode optical transceiver module that pairs a 1310nm DFB laser transmitter with a highly sensitive PIN photodiode to deliver reliable, deterministic data links over single-mode fiber distances up to 15km within a standard 0°C to 70°C operating window.

FS Part Number	SFP-100eLX-31	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1310nm	Max Cable Distance	15km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-14 to -8dBm	RX Power	-32 to -6dBm
Receiver Sensitivity	-32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	GR-468, MSA Compliant

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Q: What laser safety classification does this product carry? By C***r on 2026-01-14

A: The LS-SM3101-15C utilizes a high-quality 1310nm DFB laser that fully satisfies all Class I Laser Safety requirements. By admin on 2026-01-15
Q: Is this specific model suitable for unconditioned outdoor cabinets in extreme environments? By A***s on 2025-12-22

A: The LS-SM3101-15C is commercial grade (0 to 70°C). For unconditioned outdoor environments, we recommend our industrial wide-temperature version (-40 to 85°C). By admin on 2025-12-23
Q: What type of fiber patch cable is required for this optical transceiver? By Z***y on 2025-09-02

A: You will need a Duplex LC single-mode fiber (SMF) patch cord, standard 9/125μm specification. By admin on 2025-09-03
Q: What is the exact optical power budget for this 15km single-mode SFP module? By B***s on 2025-05-08

A: The TX power ranges from -14 to -8dBm, and the receiver sensitivity goes down to -32dBm, giving you a robust optical budget of at least 18dB. By admin on 2025-05-09

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Z***d

Hungary

Verified Purchase

5 .0

2026-01-14

Exactly what we needed for our enterprise fiber patch panels. Zero CRC errors after a week of stress testing.

34 Helpful vote Comments

C***s

United States

Verified Purchase

5 .0

2026-01-05

Perfect for basestation backhaul. We deploy these LS-SM3101-15C units in our outdoor telecom enclosures across Ohio. Even in the summer heat, the commercial temperature range holds up well. Stable 155Mbps throughput all day long.

73 Helpful vote Comments

R***z

Indonesia

Verified Purchase

5 .0

2025-12-03

No multi-vendor transceiver module compatibility blocks on our switches. Smooth sailing.

21 Helpful vote Comments

G***s

Turkey

Verified Purchase

5 .0

2025-11-29

We operate a widespread wireless ISP network across several rural counties, relying heavily on base station backhaul links that utilize 155Mbps Fast Ethernet channels for legacy out-of-band management. I deployed these LINK-PP 155M SFP optical transceivers across an 11.8km singlemode fiber (SMF) run passing through multiple outdoor splice enclosures. Using an OTDR to check the link budget, these 1310nm optics showed excellent tolerance for attenuation caused by aging fiber patches. The accurate DOM data is a massive bonus for proactive remote troubleshooting before a hard outage occurs.

104 Helpful vote Comments

C***n

The Republic of Serbia

Verified Purchase

5 .0

2025-11-24

Using these 155M SFP optical transceivers inside our climate-controlled main distribution frames. Running 24/7 with zero frame loss.

109 Helpful vote Comments

D***d

Bulgaria

Verified Purchase

5 .0

2025-10-06

As an network operations engineer, I strictly monitor transceiver Rx/Tx power levels. This 155M 1310nm transceiver reports extremely accurate real-time metrics via DOM to our SNMP console. Makes proactive maintenance incredibly easy!

113 Helpful vote Comments

S***t

Ukraine

Verified Purchase

5 .0

2025-09-02

Excellent DOM diagnostics. Real-time DDM/DOM monitoring via our aggregation switches is flawless. I can track the TX/RX power over our 15km link without extra testing tools. Perfect!

148 Helpful vote Comments

C***e

Portugal

Verified Purchase

5 .0

2025-08-27

Outstanding 155Mbps SFP modules. Hot-swappable, low heat generation, and real-time DOM telemetry that actually works. Ideal choice for any network administrator managing mixed-vendor legacy infrastructures. (^_−)

142 Helpful vote Comments

T***z

Romania

Verified Purchase

4 .0

2025-08-19

Good commercial-grade 1310nm 15km SFP optical transceivers. Missed our strict installation window by 24 hours due to regional customs delays, but the product performance makes up for it.

35 Helpful vote Comments

R***s

Russian Federation

Verified Purchase

5 .0

2025-07-14

Saves our IT budget big time. Needed cheap 1310nm single-mode SFP modules for our legacy SDH network links. LINK-PP nailed it. 100% stable.

62 Helpful vote Comments

H***x

Slovakia

Verified Purchase

5 .0

2025-06-27

We required a bulk upgrade for a municipal traffic monitoring network using an extensive single-mode fiber loop connecting field IP cameras back to a command center. Distances ranged from 4km to 13.5km, making the 15km rating of these LS-SM3101-15C modules ideal for our link budgets. Under full 155M line-rate traffic loading during our QA protocol, packet latency remained ultra-low and deterministic with zero jitter. The Duplex LC optical sub-assembly features tight alignment, ensuring minimum insertion loss, while the 0 to 70°C commercial temperature range handles the semi-conditioned roadside cabinets perfectly. DDM diagnostics integrated seamlessly with our central PRTG monitor, proving that LINK-PP 155M SFP delivers top-tier reliability for large-scale infrastructure rollouts.

128 Helpful vote Comments

E***l

Belgium

Verified Purchase

5 .0

2025-06-03

Reliable fiber optics transceivers. Got a batch of 100 for our campus fiber networking project. The duplex LC connectors click in perfectly. DOM telemetry is spot on. Very solid build.

117 Helpful vote Comments

V***d

Czech Republic

Verified Purchase

5 .0

2025-05-08

We ordered a batch of these 155M single-mode SFP modules for a regional base station backhaul setup. The duplex LC interface provides a tight, clickable fit. Signal attenuation over our 12km SMF runs is well within the budget.

55 Helpful vote Comments

N***n

Croatia

Verified Purchase

5 .0

2025-04-09

Excellent bulk pricing structure for our ongoing fiber-to-the-building deployments. Will buy more.

16 Helpful vote Comments

M***z

Canada

Verified Purchase

5 .0