Our outdoor network cabinets get extremely hot in summer and freezing in winter. The standard 0-70°C isn't enough. Do you have an industrial-grade version?

We certainly do. While the LS-SC31551G-40C is a commercial-grade module (0 to 70°C), we offer the exact same specs in a rugged industrial wide-temperature version (-40 to 85°C). You can seamlessly use the LS-SC31551G-40I model for extreme outdoor deployments!

We use a mix of Cisco, Juniper, and Aruba gear. Do these LINK-PP LS-SC31551G-40C modules require special firmware for multi-vendor interoperability?

No special firmware is needed! These gigabit Ethernet transceivers are MSA compliant and heavily tested for seamless interoperability. They work plug-and-play across Cisco, Juniper, Aruba, and most major OEM switches right out of the box.

Most of our patch panels use LC connectors, but this is a simplex SC module. Can we use a hybrid patch cable, or do we need to swap patch panels?

You definitely don't need to swap out your patch panels! You can simply use a standard SC-to-LC simplex single-mode patch cable. This allows you to easily bridge the connection between the module's SC interface and your existing LC fiber infrastructure.

We are planning a massive data center upgrade. Do you offer bulk purchase discounts if we order 500+ units of this 1G BiDi SFP?

Absolutely. We fully support enterprise procurement with tiered pricing. For an order of 500+ units, please reach out to our sales team directly, and we’ll provide a custom quote with significant volume discounts to fit your project budget.

For our government contracts, we need strict adherence to industry standards. Does this DOM SMF optical transceiver meet strict MSA specifications?

Yes, it strictly complies with both the SFP Multi-Source Agreement (MSA) and SFF-8472 standards for Digital Optical Monitoring (DOM). It undergoes rigorous quality control to ensure full regulatory and industry compliance for enterprise and telecom environments.

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LINK-PP LS-SC31551G-40C 1G SFP BiDi 1310nm-TX/1550nm-RX 40km Simplex SC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-SC31551G-40C 1G SFP BiDi 1310nm-TX/1550nm-RX 40km Simplex SC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 202194
Price: 17.63 USD
Availability: InStock
Rating: 5 (24 reviews)

# 202194

Product: LINK-PP LS-SC31551G-40C 1G SFP BiDi 1310nm-TX/1550nm-RX 40km Simplex SC DOM SMF Optical Transceiver Module
SKU: 202194
P/N: LS-SC31551G-40C
Price: $ 20.5
Stock: 110 in Stock
Sold: 2.2K
Product URL: https://www.l-p.com/products/491673.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

24 Reviews

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Manufacture: LINK-PP

P/N: LS-SC31551G-40C

Compatible:: LINK-PP

Compatible P/N:: LS-SC31551G-03C | 3km; LS-SC31551G-03I | 3km; LS-SC55311G-03C | 3km; LS-SC55311G-03I | 3km; LS-SC31491G-10C | 10km; LS-SC31551G-10C | 10km; LS-SC31551G-10I | 10km; LS-SC49311G-10C | 10km; LS-SC55311G-10C | 10km; LS-SC55311G-10I | 10km; LS-SC31491G-20C | 20km; LS-SC31551G-20C | 20km; LS-SC31551G-20I | 20km; LS-SC49311G-20C | 20km; LS-SC55311G-20C | 20km; LS-SC55311G-20I | 20km; LS-SC31551G-40C | 40km; LS-SC31551G-40I | 40km; LS-SC55311G-40C | 40km; LS-SC55311G-40I | 40km

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LINK-PP LS-SC31551G-40C 1G BiDi SFP Specifications

The LINK-PP LS-SC31551G-40C is a high-performance Gigabit Ethernet transceiver engineered for single-mode fiber applications. Operating seamlessly at a 1.25Gbps data rate, this commercial-grade optical transceiver ensures robust networking. Built with advanced WDM technology, this high-quality 1G BiDi SFP delivers exceptional network reliability and bandwidth efficiency for demanding enterprise environments.

LINK-PP Part Number	LS-SC31551G-40C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1310nm-TX/1550nm-RX	Max Cable Distance	40km
Connector	Simplex SC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	-24dBm	Receiver Overload	-3dBm
DOM Support	Yes	Operating Temperature Range	0 to 70°C

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Q: Our outdoor network cabinets get extremely hot in summer and freezing in winter. The standard 0-70°C isn't enough. Do you have an industrial-grade version? By K***z on 2026-06-06

A: We certainly do. While the LS-SC31551G-40C is a commercial-grade module (0 to 70°C), we offer the exact same specs in a rugged industrial wide-temperature version (-40 to 85°C). You can seamlessly use the LS-SC31551G-40I model for extreme outdoor deployments! By admin on 2026-06-06
Q: We use a mix of Cisco, Juniper, and Aruba gear. Do these LINK-PP LS-SC31551G-40C modules require special firmware for multi-vendor interoperability? By C***z on 2026-04-10

A: No special firmware is needed! These gigabit Ethernet transceivers are MSA compliant and heavily tested for seamless interoperability. They work plug-and-play across Cisco, Juniper, Aruba, and most major OEM switches right out of the box. By admin on 2026-04-10
Q: Most of our patch panels use LC connectors, but this is a simplex SC module. Can we use a hybrid patch cable, or do we need to swap patch panels? By N***n on 2026-01-27

A: You definitely don't need to swap out your patch panels! You can simply use a standard SC-to-LC simplex single-mode patch cable. This allows you to easily bridge the connection between the module's SC interface and your existing LC fiber infrastructure. By admin on 2026-01-28
Q: We are planning a massive data center upgrade. Do you offer bulk purchase discounts if we order 500+ units of this 1G BiDi SFP? By A***s on 2025-11-10

A: Absolutely. We fully support enterprise procurement with tiered pricing. For an order of 500+ units, please reach out to our sales team directly, and we’ll provide a custom quote with significant volume discounts to fit your project budget. By admin on 2025-11-10
Q: For our government contracts, we need strict adherence to industry standards. Does this DOM SMF optical transceiver meet strict MSA specifications? By C***l on 2025-10-04

A: Yes, it strictly complies with both the SFP Multi-Source Agreement (MSA) and SFF-8472 standards for Digital Optical Monitoring (DOM). It undergoes rigorous quality control to ensure full regulatory and industry compliance for enterprise and telecom environments. By admin on 2025-10-04

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M***r

Spain

Verified Purchase

5 .0

2026-07-16

Excellent 1G SFP BiDi, zero link drops!

40 Helpful vote Comments

T***n

United States

Verified Purchase

5 .0

2026-06-11

Plug and play! Totally solved our backhaul issue.

76 Helpful vote Comments

D***l

Canada

Verified Purchase

5 .0

2026-06-07

Deployed these LINK-PP LS-SC31551G-40C modules for campus networking over SMF. The 40km reach is solid, and DOM support makes tracking TX/RX power via our Cisco switches incredibly easy.

88 Helpful vote Comments

K***l

Norway

Verified Purchase

5 .0

2026-05-28

Best 1G DOM SMF transceiver for the price.

131 Helpful vote Comments

M***z

Ireland

Verified Purchase

5 .0

2026-05-25

Authentic LINK-PP LS-SC31551G-40C. Rock solid 1.25Gbps data rate for our enterprise fiber ring.

176 Helpful vote Comments

M***n

Chile

Verified Purchase

5 .0

2026-05-19

Flawless 1.25Gbps performance right out of the box.

91 Helpful vote Comments

J***n

France

Verified Purchase

5 .0

2026-04-21

Fantastic gigabit SFP. Replaced failing OEM modules in our outdoor enclosures without any issues.

109 Helpful vote Comments

S***z

Thailand

Verified Purchase

4 .0

2026-03-30

Packaging was slightly dented upon arrival, but the 1G SFP BiDi module works flawlessly.

9 Helpful vote Comments

J***s

Spain

Verified Purchase

5 .0

2026-03-19

Used this 1G BiDi SFP to bridge a long gap for my home 10G NAS backup node. A single simplex SC fiber strand completely cleared up conduit space. Total lifesaver!

48 Helpful vote Comments

D***n

Malaysia

Verified Purchase

5 .0

2026-03-11

Awesome DOM features for real-time monitoring! We easily tracked voltage and temperature remotely.

178 Helpful vote Comments

T***n

Venezuela

Verified Purchase

5 .0

2025-12-10

Great DOM SMF optical transceiver module. Perfect OEM compatibility with our Aruba switches!

60 Helpful vote Comments

M***g

Brazil

Verified Purchase

5 .0

2025-11-29

Reliable 1310nm-TX/1550nm-RX optic. Perfect paired with the reverse module for our building-to-building link.

190 Helpful vote Comments

D***t

Panama

Verified Purchase

5 .0

2025-11-15

Works great in our campus fiber network.

28 Helpful vote Comments

M***l

Costa Rica

Verified Purchase

5 .0

2025-08-07

Solid 40km simplex SC transceiver module.

30 Helpful vote Comments

J***n

United Kingdom

Verified Purchase

5 .0

2025-07-29

Perfect match for multi-brand switch environments. ✅

130 Helpful vote Comments

A***n

Austria

Verified Purchase

5 .0

2025-07-16

WDM technology cuts our fiber costs in half. The 40km distance is fully validated here.

158 Helpful vote Comments

M***n

Belgium

Verified Purchase

5 .0

2025-06-22

Fast shipping, the WDM technology works flawlessly.

86 Helpful vote Comments

E***s

Philippines

Verified Purchase

5 .0

2025-06-01

Good price for a DFB laser-based transceiver. Signal sensitivity at -24dBm is absolutely spot on!

127 Helpful vote Comments

M***a

Ireland

Verified Purchase

5 .0

2025-05-27

Great build quality, simplex SC snaps in perfectly.

191 Helpful vote Comments

E***a

Brazil

Verified Purchase

5 .0

2025-04-05

DOM works perfectly on Mikrotik. Highly recommended!

61 Helpful vote Comments

J***z

Chile

Verified Purchase

5 .0

2025-03-28

Stable TX power, very reliable DFB laser!

62 Helpful vote Comments

J***l

Denmark

Verified Purchase

5 .0

2025-03-24

The simplex SC connector feels premium. No TX/RX drops during our intensive stress testing. ⚡

182 Helpful vote Comments

D***n

Chile

Verified Purchase

5 .0

2025-03-19

Tested the 1310nm-TX/1550nm-RX config for base station backhaul. WDM technology saved us from laying dual-fiber cables. Reliable 1.25Gbps throughput even inside our non-climate-controlled outdoor cabinets.

184 Helpful vote Comments

A***s

Netherlands

Verified Purchase

5 .0

2025-01-01

Used a batch of these gigabit Ethernet transceivers for data center bulk deployment. Zero compatibility issues across Juniper and Ubiquiti gear. The DFB laser output is extremely stable!

187 Helpful vote Comments