Hey, we run a mix of Juniper and Arista switches in our core network. Will this 1.25G SFP module work natively without throwing unapproved transceiver errors?

Absolutely! This module is strictly SFF-8472 MSA compliant and fully compatible with major OEM brands like Juniper, Arista, Cisco, and Mikrotik. It’s true plug-and-play, so your equipment will recognize it instantly without any "unsupported transceiver" warnings.

We need to install these in outdoor telecom cabinets where winters get brutal. Does this module actually hold up to sub-zero temperatures?

Yes, this is a genuine industrial-grade optical transceiver. It is purpose-built to operate reliably in harsh outdoor and non-climate-controlled environments, supporting an extreme temperature range from -40°C to +85°C (-40°F to 185°F) with zero signal degradation.

Just to confirm before ordering, what kind of fiber patch cables do I need to connect this 80km link?

You will need Single-Mode Fiber (SMF) patch cables terminated with Duplex LC connectors. Since the module transmits at a 1550nm center wavelength, standard 9/125µm SMF is perfectly optimized for your 80km long-haul transmission.

Does this transceiver support real-time monitoring? Our network engineers need to track optical power and temp remotely.

Yes, it features built-in Digital Optical Monitoring (DOM / DDM) fully compliant with IEEE 802.3ah and SFF-8472 protocols. Your datacenter operations team can seamlessly monitor real-time metrics like Tx/Rx power, internal temperature, and laser bias right through your switch's management interface.

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LINK-PP LS-SM551G-80I 1.25G SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-SM551G-80I 1.25G SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 181767
Price: 13.588 USD
Availability: InStock
Rating: 5 (50 reviews)

Product: LINK-PP LS-SM551G-80I 1.25G SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 181767
P/N: LS-SM551G-80I
Price: $ 15.8
Stock: 3100 in Stock
Sold: 1.9K
Product URL: https://www.l-p.com/products/476868.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

50 Reviews

4 Questions

1.9K Sold

$ 15.8

Free shipping. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

$ 15.8

100

$ 15.01

1000

$ 14.536

3000

$ 14.062

6000

$ 13.588

Manufacture: LINK-PP P/N: LS-SM551G-80I SKU: 181767

Compatible:: Cisco; LINK-PP; Adtran; Alcatel-Lucent; Arista; Avaya; Brocade; Calix; Ciena; Dell; Extreme; FS; Fortinet; Generic; H3C; IBM; Intel; Juniper; Mikrotik; 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

Shipping:

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to United States via FedEx

Estimated delivery time : 3 - 10 days.

5-Year Warranty 30-Day Returns 30-Day Exchange

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LINK-PP LS-SM551G-80I 1.25G SFP Specifications

The LINK-PP LS-SM551G-80I is a high-performance industrial SFP transceiver module designed for 1.25Gbps Gigabit Ethernet and Fiber Channel long-haul backbone networks. Operating at a 1550nm wavelength over single-mode fiber, it features a duplex LC interface, supports up to 80km transmission, and includes integrated digital diagnostic monitoring for optimized network management.

LINK-PP Part Number	LS-SM551G-80I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm	Max Cable Distance	80km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	0 to +5dBm	RX Power	-26 to -1dBm
Receiver Sensitivity	-26dBm	DOM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004

Key Features of LINK-PP LS-SM551G-80I 1.25G SFP

This optical transceiver offers exceptional reliability with its industrial-grade wide temperature tolerance, operating flawlessly from -40°C to +85°C. Its integrated DFB laser provides high dispersion tolerance, combined with an advanced optical receiver to ensure robust signal integrity and stable data transmission across long-distance networks.

LINK-PP LS-SM551G-80I 1.25G SFP Optical Module

Engineered as a hot-pluggable Small Form-factor Pluggable transceiver, this module strictly complies with the SFP MSA agreement and IEEE 802.3ah specifications, delivering a cost-effective solution for high-speed fiber-optic communication infrastructures.

LS-SM551G-80I: 1.25G Connectivity for Control System Networks

Tailored for automation control systems and industrial networking, this module provides seamless, continuous 1.25G fiber connectivity, guaranteeing real-time, low-latency transmission for critical data and control signals in harsh operating environments.

LS-SM551G-80I Module with 1550nm Wavelength

Utilizing a 1550nm center wavelength, the module leverages the lowest attenuation characteristics of single-mode fiber. Combined with advanced laser technology, it suppresses chromatic dispersion to maintain optimal signal quality over extended link distances.

LS-SM551G-80I Module Supporting 80km Transmission

Delivering an extensive reach of up to 80 kilometers, this SFP transceiver is perfectly suited for regional backbone architectures, remote monitoring systems, and long-range link extensions without requiring expensive intermediate repeater equipment.

LS-SM551G-80I Module with Duplex LC Interface

Equipped with a standardized duplex LC optical connector, the module offers a compact form factor, precise alignment, and easy push-pull installation, supporting high-density port configurations while significantly minimizing connection loss.

LS-SM551G-80I Module with DOM for Real-Time Monitoring

Featuring built-in Digital Optical Monitoring compliant with SFF-8472, the module enables network administrators to perform real-time tracking of critical operating metrics, including internal temperature, supply voltage, laser bias, and optical power.

LINK-PP LS-SM551G-80I 1.25G SFP Certification

This LINK-PP transceiver complies with major international regulatory standards, ensuring full RoHS environmental compliance and meeting Class 1 laser safety standards for safe network operations.

LS-SM551G-80I Quality Testing Program

Every single shipped module undergoes an exhaustive quality assurance testing process, including full-temperature aging and thorough optical parameter validation, ensuring flawless field performance and zero-defect deployment.

LS-SM551G-80I Quality Certifications

Manufactured in state-of-the-art facilities certified to ISO9001 quality and ISO14001 environmental management systems, this transceiver guarantees consistent manufacturing quality and high long-term operational reliability.

LS-SM551G-80I Certified for Reliable Host-Device Compatibility

The module undergoes rigorous interoperability matrix testing to ensure seamless compatibility and immediate plug-and-play functionality across a wide range of major enterprise and industrial host equipment.

Rigorous Testing Ensures Reliable SFP Performance

Our multi-stage technical testing process comprehensively validates each transceiver's hardware performance under challenging conditions to guarantee ultimate system stability.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Measures center wavelength and side-mode suppression ratio to guarantee precise long-haul optical performance.

Eye Pattern Test

Evaluates optical transmitter signal quality, ensuring high extinction ratios and low waveform jitter.

Bit Error Rate Test

Conducts full-load traffic testing to confirm error-free data transmission without packet drop issues.

Temperature Test

Validates stable optical characteristics during thermal cycling from -40°C up to +85°C.

Product Shipping for LINK-PP LS-SM551G-80I 1.25G SFP

We utilize optimized warehouse workflows and robust transit solutions to ensure your optical modules arrive safely and on schedule.

Anti-Static Protective Packaging

Individual anti-static ESD bags protect sensitive components from electrical discharge.

Shock-Resistant Transport Protection

Custom cushioned blisters and heavy-duty outer boxes absorb severe transport impacts.

Fast Order Processing and Dispatch

Large stock levels ensure rapid verification and immediate dispatch of standard orders.

Global Logistics and International Delivery

Partnered with premier international couriers to guarantee fast, worldwide door-to-door delivery.

LINK-PP LS-SM551G-80I 1.25G SFP Usage Demonstration

For deployment, align the module with the host SFP slot and slide it in firmly. Connect the duplex LC single-mode fiber patch cord. For short-distance testing, install an optical attenuator to prevent receiver damage.

LS-SM551G-80I Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LS-SM551G-80I modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP LS-SM551G-80I 1.25G SFP After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15-day no-reason return and refund

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free repair services for manufacturing defects throughout the warranty period

Warranty exclusions and conditions apply

LINK-PP LS-SM551G-80I 1.25G SFP FAQ

Find quick answers to frequently asked technical questions regarding the LINK-PP LS-SM551G-80I industrial SFP transceiver module.

01. What is the operating temperature range of this SFP module?

It operates at an industrial-grade temperature range from -40°C to +85°C.

02. What is the maximum transmission distance supported by this module?

It supports long-haul single-mode fiber transmission up to 80 kilometers.

03. What wavelength and transmitter type does the LS-SM551G-80I use?

It features a 1550nm center wavelength with a DFB laser transmitter.

04. Does this transceiver module support real-time digital optical monitoring?

Yes, it includes built-in DOM compliant with SFF-8472 standards.

Model Comparison Table

	Current Model LS-SM551G-80I	LS-MM311G-02AI	LS-MM851G-02I	LS-MM311G-02AC	LS-MM851G-02C

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps
Wavelength	1550nm	1310nm	850nm	1310nm	850nm
Connector	Duplex LC	Duplex LC	Duplex LC	Duplex LC	Duplex LC
Cable Distance (Max)	80km	2km	2km	2km	2km
Cable Type	SMF	MMF	MMF	MMF	MMF
TX Power	0 to +5dBm	-12 to -3dBm	-9 to 0dBm	-12 to -3dBm	-9 to 0dBm
Receiver Sensitivity	-26dBm	-30dBm	-18dBm	-30dBm	-18dBm
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	0 to 70°C	0 to 70°C
Form Factor	SFP	SFP	SFP	SFP	SFP
Transmitter Type	DFB	FP	VSCEL	FP	VSCEL
Receiver Type	PIN	PIN	PIN	PIN	PIN
DOM Support	Yes		Yes	Yes	Yes
Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004	SFF-8472 MSA IEEE 802.3	IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant	SFF-8472 MSA IEEE 802.3	IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant

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Q: Hey, we run a mix of Juniper and Arista switches in our core network. Will this 1.25G SFP module work natively without throwing unapproved transceiver errors? By N***g on 2026-04-09

A: Absolutely! This module is strictly SFF-8472 MSA compliant and fully compatible with major OEM brands like Juniper, Arista, Cisco, and Mikrotik. It’s true plug-and-play, so your equipment will recognize it instantly without any "unsupported transceiver" warnings. By admin on 2026-04-09
Q: We need to install these in outdoor telecom cabinets where winters get brutal. Does this module actually hold up to sub-zero temperatures? By D***l on 2026-03-08

A: Yes, this is a genuine industrial-grade optical transceiver. It is purpose-built to operate reliably in harsh outdoor and non-climate-controlled environments, supporting an extreme temperature range from -40°C to +85°C (-40°F to 185°F) with zero signal degradation. By admin on 2026-03-08
Q: Just to confirm before ordering, what kind of fiber patch cables do I need to connect this 80km link? By A***r on 2025-10-19

A: You will need Single-Mode Fiber (SMF) patch cables terminated with Duplex LC connectors. Since the module transmits at a 1550nm center wavelength, standard 9/125µm SMF is perfectly optimized for your 80km long-haul transmission. By admin on 2025-10-19
Q: Does this transceiver support real-time monitoring? Our network engineers need to track optical power and temp remotely. By S***s on 2025-07-20

A: Yes, it features built-in Digital Optical Monitoring (DOM / DDM) fully compliant with IEEE 802.3ah and SFF-8472 protocols. Your datacenter operations team can seamlessly monitor real-time metrics like Tx/Rx power, internal temperature, and laser bias right through your switch's management interface. By admin on 2025-07-20

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J***s

United Kingdom

Verified Purchase

5 .0

2026-05-26

No issues batch deploying these MSA compliant 1.25G SFPs in our main datacenter.

172 Helpful vote Comments

L***n

United Kingdom

Verified Purchase

5 .0

2026-05-01

Works natively with Dell and Extreme switches. Good price for a long-haul backbone solution.

81 Helpful vote Comments

M***s

Peru

Verified Purchase

5 .0

2026-03-23

Solid optical transceiver for 80km range. Tx power is stable during continuous network load.

119 Helpful vote Comments

C***z

Germany

Verified Purchase

5 .0

2026-03-19

Excellent industrial transceiver for extreme temps!

144 Helpful vote Comments

M***n

Spain

Verified Purchase

5 .0

2026-03-02

Industrial grade wide temp -40 to 85C is exactly what our outdoor cabinets needed. ❄️

92 Helpful vote Comments

R***z

Belgium

Verified Purchase

5 .0

2026-02-16

Cost-effective Gigabit Ethernet upgrade for enterprise!

242 Helpful vote Comments

C***r

Dominican Republic

Verified Purchase

5 .0

2026-02-13

No packet loss on a 75km run!

217 Helpful vote Comments

J***n

Canada

Verified Purchase

5 .0

2026-02-11

Perfect SMF transceiver for remote site connectivity.

189 Helpful vote Comments

M***r

Republic of Korea

Verified Purchase

5 .0

2026-01-18

We ran compatibility tests across Juniper and Arista gear for our campus fiber network. The duplex LC connectors seated perfectly, achieving a solid 80km transmission with zero packet loss. Will bulk order.

99 Helpful vote Comments

D***n

Portugal

Verified Purchase

5 .0

2025-12-13

Using these to connect remote monitoring systems over SMF. The dispersion tolerance of the DFB laser at 80km is legit. Flawless 1.25Gbps performance even in our non-climate-controlled warehouse edge switches.

51 Helpful vote Comments

R***z

Ukraine

Verified Purchase

5 .0

2025-09-15

Perfect 1G SFP 1550nm transceivers for our NAS setup. Highly recommend for home labs!

167 Helpful vote Comments

M***n

United States

Verified Purchase

5 .0

2025-09-10

Upgraded our regional backbone architecture with this single-mode module. Tx/Rx power levels are perfectly within IEEE 802.3ah specs. Great DOM support for real-time monitoring in our enterprise automation control systems.

114 Helpful vote Comments

T***s

Chile

Verified Purchase

5 .0

2025-09-01

Fast shipping and excellent SFF-8472 support. Network engineers will love the real-time diagnostics. ⚙️

84 Helpful vote Comments

S***n

Portugal

Verified Purchase

5 .0

2025-08-30

Reliable 1.25Gbps speeds for our campus network.

184 Helpful vote Comments

S***s

Pakistan

Verified Purchase

5 .0

2025-07-11

Deployed these 1550nm 1.25G transceivers for a cell tower backhaul link. The DDM monitoring is incredibly accurate, and they survived -30°C in our outdoor cabinets without dropping packets. Outstanding industrial performance!

233 Helpful vote Comments

E***z

Switzerland

Verified Purchase

4 .0

2025-05-17

Works perfect with our Cisco switches. Delivery delayed by a day due to customs.

163 Helpful vote Comments

R***t

Sweden

Verified Purchase

5 .0

2025-03-01

True plug and play with Cisco gear.

260 Helpful vote Comments

D***h

Italy

Verified Purchase

4 .0

2025-01-25

Solid industrial SFP module for 80km link, but the shipping box was slightly crushed.

161 Helpful vote Comments

M***l

United States

Verified Purchase

5 .0

2025-01-19

DOM features work perfectly as described.

222 Helpful vote Comments

D***n

Taiwan, Province of China

Verified Purchase

5 .0

2025-01-07

Awesome 80km SFP module for long links!

77 Helpful vote Comments

M***r

Belgium

Verified Purchase

5 .0

2025-01-04

Great duplex LC single-mode fiber modules. Used them for a 60km remote site link.

211 Helpful vote Comments

D***l

Denmark

Verified Purchase

5 .0

2024-12-23

1550nm wavelength stays stable under heavy loads.

103 Helpful vote Comments

W***s

Ukraine

Verified Purchase

5 .0

2024-11-22

High-quality duplex LC connectors, very durable.

244 Helpful vote Comments

M***n

Macao

Verified Purchase

5 .0

2024-10-27

Flawless OEM compatibility! Recognized instantly on our Mikrotik routers with full DOM stats.

192 Helpful vote Comments

B***n

Belarus

Verified Purchase

5 .0

2024-08-03

Items correct and Fast shipping.

16 Helpful vote Comments

R***m

Singapore

Verified Purchase

5 .0

2024-07-29

Great provider! Prompt service and good pricing

9 Helpful vote Comments

L***s

Italy

Verified Purchase

5 .0

2024-05-20

Quality products, well packed. Fast shipping and processing times.

66 Helpful vote Comments

M***n

Hong Kong

Verified Purchase

5 .0

2024-05-04

Excelent delivery. Fast answer. One of the best.

49 Helpful vote Comments

T***a

Austria

Verified Purchase

5 .0

2024-04-09

I'm really happy with all aspects of my 10/25/40G Transceiver Modules purchase. I'll definitely use l-p.com for future purchases. Thanks so much!

11 Helpful vote Comments

K***n

United States

Verified Purchase

5 .0

2024-04-06

Great job gentleman, quick shipment, thanks again.

11 Helpful vote Comments

K***y

Poland

Verified Purchase

5 .0

2024-03-25

The price is very attractive. The customer service is very nice.

55 Helpful vote Comments

D***N

Spain

Verified Purchase

5 .0

2024-03-17

Great service and quick same day delivery. I'd definitely recommend l-p.com

72 Helpful vote Comments

G***y

Russian Federation

Verified Purchase

5 .0

2023-12-30

The customer service was great and responded quickly (my communication was by email). Many payment options. Easy process. Quick customization and shipping.

127 Helpful vote Comments

B***e

France

Verified Purchase

5 .0

2023-12-22

Just what I ordered, good job!

71 Helpful vote Comments

E***g

Singapore

Verified Purchase

5 .0

2023-12-19

Packaged very well. Arrived on time. No issues. Great purchase. Completely satisfied.

65 Helpful vote Comments

C***z

United States

Verified Purchase

5 .0

2023-12-15

l-p.com is a great resource for a small growing business. Customer service was exceptional and products worked great at prices that were significantly better than others.

39 Helpful vote Comments

D***n

United States

Verified Purchase

5 .0

2023-12-04

Just recently made a purchase. The staff were prompt and efficient.

66 Helpful vote Comments

D***r

Hungary

Verified Purchase

5 .0

2023-11-03

I rated this 5 stars because the price was good, the performance was good and I am very pleased overall with the product I received.

40 Helpful vote Comments

R***t

New Zealand

Verified Purchase

5 .0

2023-10-31

I can honestly say it's one of the best and most beneficial products I have bought !! brilliant product, delivered earlier than originally stated and work excellent

84 Helpful vote Comments

M***a

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2023-10-28

Great company with high quality. I would gladly purchase from l-p.com again for the right 10/25/40G Transceiver Modules.

121 Helpful vote Comments

Verified Purchase

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{"pid":497931,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226211,"cid":752,"pid":497931,"sku":"226211","psvid1":332015,"psvid2":332016,"psvid3":0,"psvid4":0,"left_num":620,"price":"25.000","strike_price":"0.000","innercode":"","addtime":"2026-09-08 01:14:16","uptime":"2026-09-08 01:14:16","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"25","subtotal":25}]}
Meraki

MA-SFP-1GB-LX10 | 10km

Meraki MA-SFP-1GB-LX10 Compatible LINK-PP 1G SFP 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

31 Reviews
|
831 Sold

$ 12.5 ~~$ 0.00~~

{"pid":497849,"minimum_ordered_quantity":1,"skulist":[{"pskuid":225757,"cid":752,"pid":497849,"sku":"225757","psvid1":331111,"psvid2":331112,"psvid3":0,"psvid4":0,"left_num":2370,"price":"12.500","strike_price":"0.000","innercode":"","addtime":"2026-09-04 00:58:24","uptime":"2026-09-04 00:58:25","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"12.5","subtotal":12.5}]}
Meraki

MA-SFP-1GB-SX | 550m

Meraki MA-SFP-1GB-SX Compatible LINK-PP 1G SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module

25 Reviews
|
1.8K Sold

$ 6.99 ~~$ 0.00~~

{"pid":497848,"minimum_ordered_quantity":1,"skulist":[{"pskuid":225754,"cid":752,"pid":497848,"sku":"225754","psvid1":331105,"psvid2":331106,"psvid3":0,"psvid4":0,"left_num":394,"price":"6.990","strike_price":"0.000","innercode":"","addtime":"2026-09-04 00:49:31","uptime":"2026-09-04 00:49:31","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"6.99","subtotal":6.99}]}
HW

eSFP-GE-SX-MM850 | 550m

HW eSFP-GE-SX-MM850 Compatible LINK-PP 1G SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module (Industrial)

17 Reviews
|
1.3K Sold

$ 6 ~~$ 0.00~~

{"pid":497462,"minimum_ordered_quantity":1,"skulist":[{"pskuid":224028,"cid":752,"pid":497462,"sku":"224028","psvid1":327664,"psvid2":327665,"psvid3":0,"psvid4":0,"left_num":1049,"price":"6.000","strike_price":"0.000","innercode":"","addtime":"2026-08-19 01:43:11","uptime":"2026-08-19 01:43:11","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"6","subtotal":6}]}
Moxa

SFP-1GLHLC-T | 40km

Moxa SFP-1GLHLC-T Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

35 Reviews
|
610 Sold

$ 12 ~~$ 0.00~~

{"pid":497461,"minimum_ordered_quantity":1,"skulist":[{"pskuid":224006,"cid":752,"pid":497461,"sku":"224006","psvid1":327620,"psvid2":327621,"psvid3":0,"psvid4":0,"left_num":778,"price":"12.000","strike_price":"0.000","innercode":"","addtime":"2026-08-19 01:27:53","uptime":"2026-08-19 01:32:29","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"12","subtotal":12}]}
Calix

SFP-GEB-T-IL | 100m

Calix SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.6K Sold

$ 28 ~~$ 0.00~~

{"pid":497118,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222623,"cid":752,"pid":497118,"sku":"222623","psvid1":324864,"psvid2":324865,"psvid3":0,"psvid4":0,"left_num":643,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:07","uptime":"2026-08-13 01:02:08","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}
Adtran

SFP-GEB-T-IL | 100m

Adtran SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.7K Sold

$ 28 ~~$ 0.00~~

{"pid":497117,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222618,"cid":752,"pid":497117,"sku":"222618","psvid1":324854,"psvid2":324855,"psvid3":0,"psvid4":0,"left_num":640,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:00","uptime":"2026-08-13 01:02:00","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}
Alcatel-Lucent

SFP-GEB-T-IL | 100m

Alcatel-Lucent SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.2K Sold

$ 28 ~~$ 0.00~~

{"pid":497116,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222619,"cid":752,"pid":497116,"sku":"222619","psvid1":324856,"psvid2":324857,"psvid3":0,"psvid4":0,"left_num":631,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:01","uptime":"2026-08-13 01:02:01","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}
Avaya

SFP-GEB-T-IL | 100m

Avaya SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.2K Sold

$ 28 ~~$ 0.00~~

{"pid":497115,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222621,"cid":752,"pid":497115,"sku":"222621","psvid1":324860,"psvid2":324861,"psvid3":0,"psvid4":0,"left_num":642,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:04","uptime":"2026-08-13 01:02:04","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}
Fortinet

SFP-GEB-T-IL | 100m

Fortinet SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.2K Sold

$ 28 ~~$ 0.00~~

{"pid":497114,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222628,"cid":752,"pid":497114,"sku":"222628","psvid1":324874,"psvid2":324875,"psvid3":0,"psvid4":0,"left_num":614,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:15","uptime":"2026-08-13 01:02:15","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}
Ciena

SFP-GEB-T-IL | 100m

Ciena SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Industrial Transceiver Module

1.4K Sold

$ 28 ~~$ 0.00~~

{"pid":497113,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222624,"cid":752,"pid":497113,"sku":"222624","psvid1":324866,"psvid2":324867,"psvid3":0,"psvid4":0,"left_num":643,"price":"28.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 01:02:09","uptime":"2026-08-13 01:02:09","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"28","subtotal":28}]}

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LINK-PP LS-SM551G-80I 1.25G SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Product summary

Product Details

LINK-PP LS-SM551G-80I 1.25G SFP Specifications

Key Features of LINK-PP LS-SM551G-80I 1.25G SFP

LINK-PP LS-SM551G-80I 1.25G SFP Optical Module

LS-SM551G-80I: 1.25G Connectivity for Control System Networks

LS-SM551G-80I Module with 1550nm Wavelength

LS-SM551G-80I Module Supporting 80km Transmission

LS-SM551G-80I Module with Duplex LC Interface

LS-SM551G-80I Module with DOM for Real-Time Monitoring

LINK-PP LS-SM551G-80I 1.25G SFP Certification

LS-SM551G-80I Quality Testing Program

LS-SM551G-80I Quality Certifications

LS-SM551G-80I Certified for Reliable Host-Device Compatibility

Rigorous Testing Ensures Reliable SFP Performance

Optical Spectrum Test

Eye Pattern Test

Bit Error Rate Test

Temperature Test

Product Shipping for LINK-PP LS-SM551G-80I 1.25G SFP

Anti-Static Protective Packaging

Shock-Resistant Transport Protection

Fast Order Processing and Dispatch

Global Logistics and International Delivery

LINK-PP LS-SM551G-80I 1.25G SFP Usage Demonstration

LS-SM551G-80I Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-SM551G-80I 1.25G SFP After-Sales Assurance

LINK-PP LS-SM551G-80I 1.25G SFP FAQ

Model Comparison Table

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LINK-PP LS-SM551G-80I 1.25G SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

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