Is this module fully compliant with the SFF-8472 protocol? Our IT admin needs to ensure the digital optical monitoring (DOM) functions correctly on our dashboard.

You're good to go! It’s 100% SFF-8472 compliant, so your IT team can natively pull all real-time DOM/DDM telemetry—like rx/tx optical power, voltage, and temperature—straight into your existing network management systems without any patching.

Hey guys, will this 1.25G module work nicely with our existing Cisco Catalyst and some Juniper switches in the same rack?

Yes, absolutely! This SFP module is fully SFF-8472 MSA compliant. We’ve extensively tested it to work seamlessly across mixed environments containing Cisco, Juniper, Arista, and other major switches without throwing any third-party optic warnings.

Can I use multi-mode fiber with this module, or does it strictly require single-mode fiber with an LC adapter?

You strictly need Single-Mode Fiber (SMF) with a Duplex LC connector for this module. Since it utilizes a powerful 1550nm DFB laser to push data up to 160km, multimode fiber simply can't handle the transmission physics for this ultra-long-haul setup.

Breadcrumb: Home; Products; Optic Transceivers | SFP Modules; 1/2/4G Transceiver Modules; 1G SFP; 181776

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LINK-PP LS-SM551G-A6C 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-SM551G-A6C 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 181776
Price: 33.97 USD
Availability: InStock
Rating: 5 (41 reviews)

Product: LINK-PP LS-SM551G-A6C 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module
SKU: 181776
P/N: LS-SM551G-A6C
Price: $ 39.5
Stock: 3100 in Stock
Sold: 900
Product URL: https://www.l-p.com/products/476876.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

41 Reviews

3 Questions

900 Sold

$ 39.5

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

Qty (pcs) :

Unit Price :

$ 39.5

100

$ 37.525

1000

$ 36.34

3000

$ 35.155

6000

$ 33.97

Manufacture: LINK-PP P/N: LS-SM551G-A6C SKU: 181776

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Arista; Brocade; Ciena; Dell; Extreme; FS; Fortinet; Generic; H3C; IBM; Intel; Juniper; 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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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-A6C 1.25G SFP Specifications

The LINK-PP LS-SM551G-A6C is a high-performance Small Form-factor Pluggable transceiver specifically designed for Gigabit Ethernet applications. Operating at a data rate of 1.25Gbps, this commercial-grade module features a 1550nm DFB transmitter paired with a highly sensitive APD receiver, enabling reliable ultra-long-haul optical data transmission up to 160km over single-mode fiber infrastructure.

LINK-PP Part Number	LS-SM551G-A6C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm	Max Cable Distance	160km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	APD
TX Power	0 to +5dBm	RX Power	-30 to -1dBm
Receiver Sensitivity	-32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004

Key Features of LINK-PP LS-SM551G-A6C 1.25G SFP

This advanced optical transceiver stands out for its exceptional 160km reach capability and robust built-in Digital Optical Monitoring functionality. It offers hot-pluggable efficiency, a standard duplex LC connector interface, full compliance with SFP MSA specifications, and outstanding low power consumption, making it perfect for critical long-distance networks.

LINK-PP LS-SM551G-A6C 1.25G SFP Optical Module

Engineered for maximum operational efficiency, this SFP module provides premium gigabit connectivity solutions for enterprise networks. It seamlessly balances long-range transmission performance with exceptional signal integrity, ensuring completely uninterrupted data flow across demanding environments.

LS-SM551G-A6C: 1.25G Connectivity for Regional Backbones

This transceiver serves as an ideal solution for interconnecting regional backbones and metropolitan area networks. It delivers continuous 1.25G bandwidth across vast geographic distances, ensuring secure and highly stable communication between core systems.

LS-SM551G-A6C Module with 1550nm Wavelength

Utilizing the optimized 1550nm optical wavelength window, this module significantly minimizes fiber attenuation over extended distances. The integrated DFB laser generates a highly stable, precise beam, guaranteeing excellent signal transmission quality through single-mode fiber links.

LS-SM551G-A6C Module Supporting 160km Transmission

With an extraordinary transmission reach of 160km, this SFP transceiver eliminates the need for expensive intermediate repeater stations. It provides a highly cost-effective and dependable point-to-point fiber bridging solution for ultra-long-distance network architectures.

LS-SM551G-A6C Module with Duplex LC Interface

Equipped with an industry-standard duplex LC interface, this module allows for straightforward, secure patch cable connection. The precise optical housing design guarantees minimal insertion loss and optimal coupling alignment for reliable fiber network infrastructure.

LS-SM551G-A6C Module with DOM for Real-Time Monitoring

The advanced Digital Optical Monitoring system provides administrators with real-time tracking of critical operational parameters. This includes monitoring voltage, operating temperature, and optical powers, allowing proactive maintenance and preventing unexpected system downtime.

LINK-PP LS-SM551G-A6C 1.25G SFP Certification

Manufactured under strict quality guidelines, this optical transceiver holds major international industry certifications. These standards validate its excellent construction quality, absolute electrical safety, environmental compliance, and long-term operational reliability.

LS-SM551G-A6C Quality Testing Program

Every single module undergoes a rigorous multi-stage quality testing protocol before leaving our facility. This comprehensive program ensures perfect optical performance, physical integrity, and stable operation under continuous gigabit workloads.

LS-SM551G-A6C Quality Certifications

This high-quality SFP transceiver is fully compliant with leading international standards, including CE, FCC, and RoHS regulations. These rigorous certifications officially guarantee eco-friendly manufacturing, low electromagnetic interference, and overall safety.

LS-SM551G-A6C Certified for Reliable Host-Device Compatibility

Certified for broad compatibility, this module seamlessly integrates with host devices from major brands. It guarantees flawless plug-and-play operation, accurate port recognition, and full software synchronization across diverse hardware platforms.

Rigorous Testing Ensures Reliable SFP Performance

Comprehensive laboratory testing processes ensure that each transceiver delivers premium performance, extreme data accuracy, and reliable longevity within commercial networks.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

This test analyzes the 1550nm central wavelength and spectral width for precise transmission stability.

Eye Pattern Test

Evaluates high-speed transmitter signal quality to ensure complete clarity and minimal waveform distortion.

Bit Error Rate Test

Verifies complete data packet integrity during long-range transport, guaranteeing zero data loss.

Temperature Test

Validates reliable optical operations across the full commercial temperature span of 0°C to 70°C.

Product Shipping for LINK-PP LS-SM551G-A6C 1.25G SFP

Our streamlined distribution network guarantees that your valuable optical transceivers arrive safely, quickly, and completely intact for immediate network installation.

Anti-Static Protective Packaging

Enclosed in specialized ESD bags to block harmful electrostatic discharges.

Shock-Resistant Transport Protection

Cushioned with premium padding to survive severe vibrations during transit.

Fast Order Processing and Dispatch

Efficient warehouse handling guarantees rapid dispatch within twenty-four hours.

Global Logistics and International Delivery

Shipped globally via premier express couriers for fast tracking.

LINK-PP LS-SM551G-A6C 1.25G SFP Usage Demonstration

This practical demonstration showcases how smoothly the transceiver slides into a live switch port. It covers basic fiber cable connection, verification of the hardware latch mechanism, and a brief look at real-time DOM telemetry within the management software.

LS-SM551G-A6C 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-A6C 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-A6C 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

Model Comparison Table

	Current Model LS-SM551G-A6C	LS-MM311G-02AC	LS-MM851G-02C	LS-MM311G-02AI	LS-MM851G-02I

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)	160km	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	-32dBm	-30dBm	-18dBm	-30dBm	-18dBm
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	-40 to 85°C	-40 to 85°C
Form Factor	SFP	SFP	SFP	SFP	SFP
Transmitter Type	DFB	FP	VSCEL	FP	VSCEL
Receiver Type	APD	PIN	PIN	PIN	PIN
DOM Support	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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Questions & Answers
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Q: Is this module fully compliant with the SFF-8472 protocol? Our IT admin needs to ensure the digital optical monitoring (DOM) functions correctly on our dashboard. By D***e on 2026-04-10

A: You're good to go! It’s 100% SFF-8472 compliant, so your IT team can natively pull all real-time DOM/DDM telemetry—like rx/tx optical power, voltage, and temperature—straight into your existing network management systems without any patching. By admin on 2026-04-10
Q: Hey guys, will this 1.25G module work nicely with our existing Cisco Catalyst and some Juniper switches in the same rack? By A***g on 2025-05-09

A: Yes, absolutely! This SFP module is fully SFF-8472 MSA compliant. We’ve extensively tested it to work seamlessly across mixed environments containing Cisco, Juniper, Arista, and other major switches without throwing any third-party optic warnings. By admin on 2025-05-09
Q: Can I use multi-mode fiber with this module, or does it strictly require single-mode fiber with an LC adapter? By S***n on 2025-01-25

A: You strictly need Single-Mode Fiber (SMF) with a Duplex LC connector for this module. Since it utilizes a powerful 1550nm DFB laser to push data up to 160km, multimode fiber simply can't handle the transmission physics for this ultra-long-haul setup. By admin on 2025-01-25

Customer Reviews
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C***n

Ukraine

Verified Purchase

5 .0

2026-04-20

Excellent 1.25G SFP 160km transceiver module!

92 Helpful vote Comments

C***s

Mexico

Verified Purchase

5 .0

2026-04-03

Fast link on our Brocade gear. ⚡

207 Helpful vote Comments

D***s

Switzerland

Verified Purchase

5 .0

2026-03-31

Clean Duplex LC connection, zero issues.

152 Helpful vote Comments

B***t

Argentina

Verified Purchase

5 .0

2026-03-21

We did multi-brand switch compatibility tests linking Juniper and Arista gear. This 1.25G SFP transceiver synced immediately without MSA protocol errors. Excellent for our London data center bulk deployment.

211 Helpful vote Comments

K***n

Spain

Verified Purchase

5 .0

2026-01-07

Upgraded our enterprise NAS networking with this Gigabit SFP module. The DOM optical monitoring perfectly integrates with our dashboard, maintaining zero packet loss over the long-haul 1550nm fiber link.

32 Helpful vote Comments

E***t

Mexico

Verified Purchase

5 .0

2025-12-28

Solid 1.25Gbps fiber interface for our Dell switches in the Toronto server room.

106 Helpful vote Comments

J***n

Mexico

Verified Purchase

5 .0

2025-12-22

Great SMF optical transceiver for datacenters.

148 Helpful vote Comments

M***n

Belgium

Verified Purchase

5 .0

2025-12-15

Reliable 160km reach capability. Just what we needed for the rural broadband project!

205 Helpful vote Comments

C***z

Venezuela

Verified Purchase

5 .0

2025-11-05

Very stable 1.25G transceiver. The DFB transmitter handles our heavy database replication easily.

162 Helpful vote Comments

K***z

Malaysia

Verified Purchase

5 .0

2025-08-09

Plug and play on Extreme switches. ✌️

181 Helpful vote Comments

J***g

Ecuador

Verified Purchase

5 .0

2025-07-01

Used this for a regional base station backhaul over 120km single-mode fiber. The DFB laser holds strong optical power, and 0-70°C operating temperature is stable for our indoor cabinets.

207 Helpful vote Comments

R***z

Macao

Verified Purchase

5 .0

2025-06-07

Cost-effective Cisco compatible LC transceiver.

33 Helpful vote Comments

R***e

France

Verified Purchase

5 .0

2025-05-24

1550nm signal is rock solid here.

117 Helpful vote Comments

R***a

Philippines

Verified Purchase

5 .0

2025-05-23

Perfect drop-in replacement. DOM works natively with our H3C and Netgear core switches.

118 Helpful vote Comments

D***n

Dominican Republic

Verified Purchase

5 .0

2025-04-14

Deployed these 1550nm SMF modules across our Texas campus fiber network. The APD receiver sensitivity is exactly -32dBm as stated. DOM monitoring helps our ops team track temps easily!

57 Helpful vote Comments

L***a

Denmark

Verified Purchase

5 .0

2025-03-08

This 1550nm optical module hit the 150km mark easily in our field test. O_o

95 Helpful vote Comments

M***l

Belgium

Verified Purchase

5 .0

2025-03-07

DOM works perfectly in our router. :D

51 Helpful vote Comments

P***n

Germany

Verified Purchase

5 .0

2025-01-15

Works flawlessly with my home Gigabit NAS setup using standard Duplex LC cables.

74 Helpful vote Comments

C***s

Belgium

Verified Purchase

4 .0

2025-01-14

Great Cisco compatible LC transceiver, though the bulk packaging was a bit flimsy for me. -_-

190 Helpful vote Comments

M***a

Portugal

Verified Purchase

5 .0

2024-12-21

No compatibility warnings on our Cisco catalyst. Best 1.25G SFP module for enterprise. ✨

85 Helpful vote Comments

E***z

Philippines

Verified Purchase

5 .0

2024-10-12

SFF-8472 compliance is spot on. Good Gigabit Ethernet module for long distance bridging.

82 Helpful vote Comments

J***r

Brazil

Verified Purchase

5 .0

2024-06-20

Received on-time and completely working product as expected.

91 Helpful vote Comments

J***r

Iran, Islamic Republic of

Verified Purchase

5 .0

2024-05-21

This order was shipped very quickly and arrived in excellent order without any issues.

54 Helpful vote Comments

S***i

France

Verified Purchase

5 .0

2024-05-17

Good experience--products were shipped right away--exactly what we needed.

78 Helpful vote Comments

D***s

Singapore

Verified Purchase

5 .0

2024-04-30

I found the 100 Base-T 10/25/40G Transceiver Modules I needed quickly, at one-third the price being asked at my local electronics retail store.

127 Helpful vote Comments

S***n

Hungary

Verified Purchase

5 .0

2024-04-26

This is my go-to site for ordering high quality Sfp cage, especially customized ones. They always have the best prices and a great selection.

107 Helpful vote Comments

S***a

New Zealand

Verified Purchase

5 .0

2024-03-21

l-p.com has great prices, the seller was very friendly and knowledgeable. I would do business anywhere else.

126 Helpful vote Comments

N***e

Bangladesh

Verified Purchase

5 .0

2024-02-28

I purchased these 10/25/40G Transceiver Modules because they were less expensive than I found in other places, and order came Fast and quick. Thank You

20 Helpful vote Comments

S***n

United States

Verified Purchase

5 .0

2024-02-13

The communication about the order was wonderful.

68 Helpful vote Comments

S***n

Japan

Verified Purchase

5 .0

2024-02-08

The Optical Transceiver Modules we received has exceeded our expectation. So far I am very pleased with the company.

69 Helpful vote Comments

Q***e

Lithuania

Verified Purchase

5 .0

2024-01-28

The shipping is Fast. I received the products within 10 days, amazing speed! The products were well packaged and worked fine during the past weeks. Glad to find LINK-PP, such a great website. Will definitly come back.

69 Helpful vote Comments

R***m

Belarus

Verified Purchase

5 .0

2023-12-28

Been buying here a long time. Always come here for the best deal of 10/25/40G Transceiver Modules.

113 Helpful vote Comments

S***l

Italy

Verified Purchase

5 .0

2023-12-26

Really Fast service, customer service contacted our office after order was placed to verify correct product was order, then called again to confirm that ethernet port functioning properly.

39 Helpful vote Comments

R***h

United States

Verified Purchase

5 .0

2023-11-07

Good seller. Got it Fast. Would recommend to others.

59 Helpful vote Comments

J***n

United States

Verified Purchase

5 .0

2023-10-22

Great products and excellent service. Thanks Link-pp

38 Helpful vote Comments

D***s

Indonesia

Verified Purchase

5 .0

2023-10-06

Fast delivery. Nice quality product...

65 Helpful vote Comments

K***e

United States

Verified Purchase

5 .0

2023-10-02

My product arrived in record time and was in perfect working condition.

78 Helpful vote Comments

J***e

Netherlands

Verified Purchase

5 .0

2023-08-09

Satisfied, and product/shipment were as expected...thanks.

65 Helpful vote Comments

C***n

Hong Kong

Verified Purchase

5 .0

2023-06-23

Good pricing and Fast shipping. Very good website and easy to find products I was looking for.

82 Helpful vote Comments

A***r

Sweden

Verified Purchase

5 .0

2023-06-18

I have no problem with this company. They are good people and gave a lot of help to me during the purchase.

45 Helpful vote Comments

Verified Purchase

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Cisco GLC-T-RGD Compatible LINK-PP 1000BASE-T SFP Copper 100m RJ-45 Transceiver Module (Industrial)

17 Reviews
|
2.7K Sold

$ 20.5 ~~$ 0.00~~

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Fortinet

FN-TRAN-GC | 100m

Fortinet FN-TRAN-GC Compatible LINK-PP 1000BASE-T SFP Copper 100m RJ-45 Transceiver Module

21 Reviews
|
4.3K Sold

$ 20 ~~$ 0.00~~

{"pid":497992,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226300,"cid":752,"pid":497992,"sku":"226300","psvid1":332191,"psvid2":332192,"psvid3":0,"psvid4":0,"left_num":3105,"price":"20.000","strike_price":"0.000","innercode":"","addtime":"2026-09-10 01:31:21","uptime":"2026-09-10 01:31:21","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":"20","subtotal":20}]}
Moxa

SFP-1GLHLC | 40km

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

25 Reviews
|
1.4K Sold

$ 11 ~~$ 0.00~~

{"pid":497964,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226252,"cid":752,"pid":497964,"sku":"226252","psvid1":332095,"psvid2":332096,"psvid3":0,"psvid4":0,"left_num":902,"price":"11.000","strike_price":"0.000","innercode":"","addtime":"2026-09-09 03:17:27","uptime":"2026-09-09 03:17:27","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":"11","subtotal":11}]}
Juniper

SP7041-M1-JN | 100m

Juniper SP7041-M1-JN Compatible LINK-PP 1000BASE-T SFP Copper 100m RJ-45 Transceiver Module (Industrial)

38 Reviews
|
7.2K Sold

$ 20.5 ~~$ 0.00~~

{"pid":497962,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226249,"cid":752,"pid":497962,"sku":"226249","psvid1":332089,"psvid2":332090,"psvid3":0,"psvid4":0,"left_num":3389,"price":"20.500","strike_price":"0.000","innercode":"","addtime":"2026-09-09 03:06:06","uptime":"2026-09-09 03:06:06","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":"20.5","subtotal":20.5}]}
Zyxel

SFP-SX-D | 550m

Zyxel SFP-SX-D Compatible LINK-PP 1G SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module

29 Reviews
|
1.6K Sold

$ 6.99 ~~$ 0.00~~

{"pid":497956,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226242,"cid":752,"pid":497956,"sku":"226242","psvid1":332075,"psvid2":332076,"psvid3":0,"psvid4":0,"left_num":304,"price":"6.990","strike_price":"0.000","innercode":"","addtime":"2026-09-09 01:45:07","uptime":"2026-09-09 01:45:08","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":"6.99","subtotal":6.99}]}
Finisar

FCLF-8521-3 | 100m

Finisar FCLF-8521-3 Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ45 Transceiver Module (Industrial)

15 Reviews
|
4.5K Sold

$ 20.5 ~~$ 0.00~~

{"pid":497952,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226236,"cid":752,"pid":497952,"sku":"226236","psvid1":332065,"psvid2":332066,"psvid3":0,"psvid4":0,"left_num":208,"price":"20.500","strike_price":"0.000","innercode":"","addtime":"2026-09-09 00:15:41","uptime":"2026-09-09 00:15:41","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":"20.5","subtotal":20.5}]}
Juniper

SFP-1GE-FE-E-T | 100m

Juniper SFP-1GE-FE-E-T Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Transceiver Module

12 Reviews
|
4.8K Sold

$ 25 ~~$ 0.00~~

{"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}]}

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LINK-PP LS-SM551G-A6C 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module

Product summary

Product Details

LINK-PP LS-SM551G-A6C 1.25G SFP Specifications

Key Features of LINK-PP LS-SM551G-A6C 1.25G SFP

LINK-PP LS-SM551G-A6C 1.25G SFP Optical Module

LS-SM551G-A6C: 1.25G Connectivity for Regional Backbones

LS-SM551G-A6C Module with 1550nm Wavelength

LS-SM551G-A6C Module Supporting 160km Transmission

LS-SM551G-A6C Module with Duplex LC Interface

LS-SM551G-A6C Module with DOM for Real-Time Monitoring

LINK-PP LS-SM551G-A6C 1.25G SFP Certification

LS-SM551G-A6C Quality Testing Program

LS-SM551G-A6C Quality Certifications

LS-SM551G-A6C 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-A6C 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-A6C 1.25G SFP Usage Demonstration

LS-SM551G-A6C Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-SM551G-A6C 1.25G SFP After-Sales Assurance

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LINK-PP LS-SM551G-A6C 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module

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