Hello, will this 1G BiDi SFP work smoothly with Cisco and Juniper edge switches? We need seamless interoperability for a multi-brand setup.

Yes! It is fully MSA compliant and extensively tested for OEM compatibility across major brands like Cisco, Juniper, and Arista, ensuring flawless multi-brand switch interoperability for your network.

does this require single-mode fiber, and do I need to pair it with a specific module on the other end?

Spot on! It requires Single-Mode Fiber (SMF) adapted to a Simplex SC interface. Because it transmits at 1310nm and receives at 1550nm, you must pair it with a complementary 1550nm-TX/1310nm-RX transceiver on the other side.

We are planning a massive campus fiber network upgrade. Do you offer bulk purchase discounts for these Simplex SC transceivers?

Absolutely. We provide tiered volume discounts specifically for enterprise procurement and large-scale server room bulk deployments. Just reach out to our sales team with your exact quantity for the best rates!

Is this 3km SMF SFP module fully compliant with IEEE 802.3ah and RoHS standards? We have strict industry compliance requirements.

Definitely. It fully meets IEEE 802.3z and 802.3ah gigabit standards and is 100% RoHS compliant, ticking all the necessary boxes for global industry regulations and safe environmental practices.

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LINK-PP LS-SC31551G-03I 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-SC31551G-03I 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 202189
Price: 9.03 USD
Availability: InStock
Rating: 5 (20 reviews)

Product: LINK-PP LS-SC31551G-03I 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module (Industrial)
SKU: 202189
P/N: LS-SC31551G-03I
Price: $ 10.5
Stock: 50 in Stock
Sold: 950
Product URL: https://www.l-p.com/products/491668.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

20 Reviews

4 Questions

950 Sold

$ 10.5

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

Qty (pcs) :

Unit Price :

$ 10.5

100

$ 9.975

1000

$ 9.66

3000

$ 9.345

6000

$ 9.03

Manufacture: LINK-PP P/N: LS-SC31551G-03I SKU: 202189

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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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-SC31551G-03I 1G BiDi SFP Specifications

The LINK-PP LS-SC31551G-03I is a robust 1G BiDi SFP transceiver designed for industrial fiber optic module networks. It delivers reliable Gigabit Ethernet single-mode connectivity across harsh environments. Operating efficiently at extreme temperatures, this hot-pluggable optical solution guarantees seamless data transmission for modern telecommunication and enterprise networking applications demanding high stability.

LINK-PP Part Number	LS-SC31551G-03I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1310nm-TX/1550nm-RX	Max Cable Distance	3km
Connector	Simplex SC	Media	SMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	-20dBm	Receiver Overload	-3dBm
DOM Support	Yes	Operating Temperature Range	-40 to 85°C

Key Features of LINK-PP LS-SC31551G-03I 1G BiDi SFP

Engineered for advanced WDM optical networking, this device utilizes single-fiber bidirectional technology to double your cable bandwidth capacity. As an MSA compliant component equipped with precise FP lasers and PIN detectors, it ensures exceptional link performance while significantly reducing infrastructure deployment costs.

LINK-PP LS-SC31551G-03I 1G BiDi SFP Optical Module

This premium 1000BASE-BX optical transceiver acts as a reliable hot-swappable module for continuous network upgrades. Its compact form factor integrates effortlessly into standard networking equipment, providing unparalleled optical efficiency and sustained gigabit data rates without interruption.

LS-SC31551G-03I: 1G Connectivity for Base Station Fronthaul

Perfectly optimized for telecom base station connectivity, this device establishes a highly stable 5G fronthaul optical link. It effortlessly handles intensive backhaul traffic, ensuring minimal latency and robust wireless network synchronization in demanding cellular infrastructure setups.

LS-SC31551G-03I Module with 1310nm-TX and 1550nm-RX Wavelength

Utilizing advanced wavelength division multiplexing, the unit operates efficiently with a 1310nm transmission and 1550nm reception configuration. This precise 1310nm/1550nm WDM setup must pair with a complementary receiver, maximizing fiber utilization without signal interference.

LS-SC31551G-03I Module Supporting 3km Transmission

Designed specifically for short-haul fiber connectivity, this powerful component easily maintains signal integrity across a maximum distance of three kilometers. The reliable 3km reach SFP capability makes it an ideal choice for campus networks and localized metropolitan deployments.

LS-SC31551G-03I Module with Simplex SC Interface

Featuring a high-precision simplex SC connector, the unit guarantees secure and low-insertion-loss physical connections. This standardized single-mode SC port ensures quick, hassle-free patching, offering excellent mechanical durability and stable optical alignment for prolonged network operations.

LS-SC31551G-03I Module with DOM for Real-Time Monitoring

Integrated with comprehensive Digital Optical Monitoring technology, administrators can access critical DDM diagnostic capabilities instantly. This allows continuous tracking of laser temperature, optical power, and voltage parameters, predicting potential faults and drastically reducing network downtime.

LINK-PP LS-SC31551G-03I 1G SFP Certification

These certified optical components guarantee exceptional reliability and global industry standard compliance, ensuring your network infrastructure remains fully secure, environmentally friendly, and legally protected worldwide.

LS-SC31551G-03I Quality Testing Program

Through rigorous factory testing and advanced optical transceiver quality control, every unit undergoes strict inspection to verify supreme data transmission accuracy and long-term hardware durability.

LS-SC31551G-03I Quality Certifications

Meeting stringent regulatory demands, this CE FCC UKCA UL approved product is also a REACH compliant SFP, verifying its safety, electromagnetic compatibility, and sustainable manufacturing practices.

LS-SC31551G-03I Certified for Reliable Host-Device Compatibility

Programmed strictly to the MSA standard EEPROM framework, it provides seamless multi-vendor switch compatibility, allowing flawless integration into various industrial routers and enterprise network switches effortlessly.

Rigorous Testing Ensures Reliable SFP Performance

Comprehensive laboratory evaluations and strict optical network stability verification processes guarantee that each module continuously delivers exceptional gigabit performance under demanding operational conditions.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Precision equipment verifies exact laser wavelength accuracy to ensure optimal fiber optic transmission.

Eye Pattern Test

Thorough signal integrity analysis confirms clean data pulses and superior optical signal quality.

Bit Error Rate Test

Extensive continuous transmission checks guarantee zero packet loss and flawless data link reliability.

Temperature Test

Modules endure severe industrial grade thermal stress from minus forty to eighty-five degrees.

Product Shipping for LINK-PP LS-SC31551G-03I 1G SFP

We utilize secure fiber module shipping protocols to ensure your industrial transceivers arrive in pristine condition, ready for immediate network deployment and activation.

Anti-Static Protective Packaging

Enclosed in premium ESD safe bags to prevent electronic component damage.

Shock-Resistant Transport Protection

Secured within sturdy custom transit trays to absorb impact during shipping.

Fast Order Processing and Dispatch

Dedicated teams ensure rapid warehouse fulfillment for extremely quick dispatch times.

Global Logistics and International Delivery

Partnering with top couriers for reliable worldwide telecom distribution and tracking.

LINK-PP LS-SC31551G-03I 1G SFP Usage Demonstration

Experience effortless plug and play installation with this highly adaptable transceiver. During standard fiber optic patching setups, simply insert the unit into any compatible port to immediately establish a high-speed, stable bidirectional communication link without complex configurations.

LS-SC31551G-03I 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-SC31551G-03I 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-SC31551G-03I 1G 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-SC31551G-03I	LS-SC31551G-40I	LS-SC31551G-20I	LS-SC31551G-10I	LS-SC31551G-03C	LS-SC55311G-03I

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps
Wavelength	1310nm-TX/1550nm-RX	1310nm-TX/1550nm-RX	1310nm-TX/1550nm-RX	1310nm-TX/1550nm-RX	1310nm-TX/1550nm-RX	1550nm-TX/1310nm-RX
Connector	Simplex SC	Simplex SC	Simplex SC	Simplex SC	Simplex SC	Simplex SC
Cable Distance (Max)	3km	40km	20km	10km	3km	3km
Cable Type	SMF	SMF	SMF	SMF	SMF	SMF
TX Power	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm
Receiver Sensitivity	-20dBm	-24dBm	-23dBm	-23dBm	-20dBm	-23dBm
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	0 to 70°C	-40 to 85°C
Form Factor	SFP	SFP	SFP	SFP	SFP	SFP
Transmitter Type	FP	DFB	FP	FP	FP	FP
Receiver Type	PIN	PIN	PIN	PIN	PIN	PIN
Receiver Overload	-3dBm	-3dBm	-3dBm	-3dBm	-3dBm	-3dBm
DOM Support	Yes	Yes	Yes	Yes	Yes	Yes

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Questions & Answers
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Q: Hello, will this 1G BiDi SFP work smoothly with Cisco and Juniper edge switches? We need seamless interoperability for a multi-brand setup. By J***n on 2026-05-16

A: Yes! It is fully MSA compliant and extensively tested for OEM compatibility across major brands like Cisco, Juniper, and Arista, ensuring flawless multi-brand switch interoperability for your network. By admin on 2026-05-16
Q: does this require single-mode fiber, and do I need to pair it with a specific module on the other end? By J***z on 2026-04-07

A: Spot on! It requires Single-Mode Fiber (SMF) adapted to a Simplex SC interface. Because it transmits at 1310nm and receives at 1550nm, you must pair it with a complementary 1550nm-TX/1310nm-RX transceiver on the other side. By admin on 2026-04-07
Q: We are planning a massive campus fiber network upgrade. Do you offer bulk purchase discounts for these Simplex SC transceivers? By J***n on 2026-03-29

A: Absolutely. We provide tiered volume discounts specifically for enterprise procurement and large-scale server room bulk deployments. Just reach out to our sales team with your exact quantity for the best rates! By admin on 2026-03-29
Q: Is this 3km SMF SFP module fully compliant with IEEE 802.3ah and RoHS standards? We have strict industry compliance requirements. By M***r on 2025-11-05

A: Definitely. It fully meets IEEE 802.3z and 802.3ah gigabit standards and is 100% RoHS compliant, ticking all the necessary boxes for global industry regulations and safe environmental practices. By admin on 2025-11-05

Customer Reviews
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K***a

Poland

Verified Purchase

5 .0

2026-07-05

Accurate DOM readings on this 1310nm-TX SFP.

113 Helpful vote Comments

L***e

Ireland

Verified Purchase

5 .0

2026-06-06

Top-tier industrial SFP for harsh environments!

89 Helpful vote Comments

E***l

Ecuador

Verified Purchase

5 .0

2026-05-23

Solid rugged networking SFP. No dropouts at all.

55 Helpful vote Comments

L***s

Mexico

Verified Purchase

5 .0

2026-05-20

Reliable industrial 1G SFP. Works flawlessly in our unventilated outdoor enclosures under heavy load.

196 Helpful vote Comments

T***g

Italy

Verified Purchase

5 .0

2026-02-06

Solid 1G BiDi transceiver. The 1310nm/1550nm pair works perfectly for our factory floor automation.

177 Helpful vote Comments

N***s

Costa Rica

Verified Purchase

5 .0

2025-12-31

Great value for bulk deployment! Seamless compatibility across different switch brands in the rack.

112 Helpful vote Comments

L***e

Dominican Republic

Verified Purchase

4 .0

2025-12-28

hipping took an extra day. Otherwise, this Simplex SC optical transceiver is perfectly solid.

26 Helpful vote Comments

P***a

Chile

Verified Purchase

5 .0

2025-12-22

Simplex SC module works right out the box.

125 Helpful vote Comments

A***s

Switzerland

Verified Purchase

5 .0

2025-12-19

Awesome simplex SC fiber SFP! Plug and play with our existing campus network switches. (^_−)−☆

144 Helpful vote Comments

J***z

Norway

Verified Purchase

5 .0

2025-12-14

Perfect 3km SMF SFP module. Highly recommend!

97 Helpful vote Comments

J***t

Germany

Verified Purchase

5 .0

2025-12-11

DOM support is totally accurate. Great 3km SMF SFP for our telecom backhaul links.

105 Helpful vote Comments

J***k

Venezuela

Verified Purchase

5 .0

2025-11-25

Bulk deployed these 1000BASE-BX transceivers across our server room. The single-mode bidirectional transmission is rock solid. Incredible cost-to-performance ratio for long-term enterprise networking. Zero packet loss over 3km runs.

59 Helpful vote Comments

S***l

Panama

Verified Purchase

5 .0

2025-11-03

Deployed these 1310nm-TX/1550nm-RX modules in our outdoor cabinets (-40 to 85°C). The DOM readings are incredibly stable. Flawless multi-brand switch compatibility test for our campus fiber network. Highly recommended!

28 Helpful vote Comments

C***h

France

Verified Purchase

5 .0

2025-10-07

Great single-mode bidirectional SFP. Easy plug and play.

148 Helpful vote Comments

C***s

Norway

Verified Purchase

5 .0

2025-10-06

Perfect Cisco compatible 1000BASE-BX module. Industrial temp rating is legit for outdoor deployment. ❄️

177 Helpful vote Comments

S***s

Peru

Verified Purchase

5 .0

2025-01-05

Flawless OEM compatible transceiver for server rooms.

185 Helpful vote Comments

S***a

Mexico

Verified Purchase

5 .0

2024-12-23

Superb single-mode SC port module. Clean optical alignment and low insertion loss every time.

136 Helpful vote Comments

P***n

Taiwan, Province of China

Verified Purchase

5 .0

2024-12-22

Outstanding 1G BiDi SFP for outdoor use!

57 Helpful vote Comments

L***z

Singapore

Verified Purchase

5 .0

2024-12-14

Needed a rugged networking SFP for a 5G base station fronthaul. This 3km SMF SFP module handles extreme temps effortlessly. DDM/DOM features make remote monitoring a breeze for our team.

34 Helpful vote Comments

C***s

Sweden

Verified Purchase

5 .0

2024-12-06

Using these 1G BiDi SFP modules for a home 10G NAS fallback link. Great OEM compatibility with my setup. The simplex SC interface saved fiber strands. Absolute game changer!

122 Helpful vote Comments

Verified Purchase

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{"pid":491675,"minimum_ordered_quantity":1,"skulist":[{"pskuid":202196,"cid":752,"pid":491675,"sku":"202196","psvid1":282605,"psvid2":282606,"psvid3":0,"psvid4":0,"left_num":220,"price":"9.500","strike_price":"0.000","innercode":"","addtime":"2025-11-18 10:00:01","uptime":"2025-11-18 23:00:01","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":"9.5","subtotal":9.5}]}
LINK-PP

LS-SC31491G-20C | 20km

LINK-PP LS-SC31491G-20C 1G SFP BiDi 1310nm-TX/1490nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module

51 Reviews
|
790 Sold

$ 8.5 ~~$ 0.00~~

{"pid":489587,"minimum_ordered_quantity":1,"skulist":[{"pskuid":199260,"cid":752,"pid":489587,"sku":"199260","psvid1":280399,"psvid2":280400,"psvid3":0,"psvid4":0,"left_num":310,"price":"8.500","strike_price":"0.000","innercode":"","addtime":"2025-06-30 13:49:27","uptime":"2025-07-01 02:49:27","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":"8.5","subtotal":8.5}]}
LINK-PP

LS-SC49311G-20C | 20km

LINK-PP LS-SC49311G-20C 1G SFP BiDi 1490nm-TX/1310nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module

45 Reviews
|
920 Sold

$ 8.5 ~~$ 0.00~~

{"pid":489586,"minimum_ordered_quantity":1,"skulist":[{"pskuid":199259,"cid":752,"pid":489586,"sku":"199259","psvid1":280397,"psvid2":280398,"psvid3":0,"psvid4":0,"left_num":180,"price":"8.500","strike_price":"0.000","innercode":"","addtime":"2025-06-30 13:39:06","uptime":"2025-07-01 02:39:06","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":"8.5","subtotal":8.5}]}
LINK-PP

LS-SC49311G-10C | 10km

LINK-PP LS-SC49311G-10C 1G SFP BiDi 1490nm-TX/1310nm-RX 10km Simplex SC DOM SMF Optical Transceiver Module

23 Reviews
|
710 Sold

$ 8.2 ~~$ 0.00~~

{"pid":493477,"minimum_ordered_quantity":1,"skulist":[{"pskuid":204037,"cid":752,"pid":493477,"sku":"204037","psvid1":286205,"psvid2":286206,"psvid3":0,"psvid4":0,"left_num":190,"price":"8.200","strike_price":"0.000","innercode":"","addtime":"2026-06-02 22:55:49","uptime":"2026-06-02 22:55:49","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":"8.2","subtotal":8.2}]}
LINK-PP

LS-SC31491G-10C | 10km

LINK-PP LS-SC31491G-10C 1G SFP BiDi 1310nm-TX/1490nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module

22 Reviews
|
710 Sold

$ 8.2 ~~$ 0.00~~

{"pid":493476,"minimum_ordered_quantity":1,"skulist":[{"pskuid":204036,"cid":752,"pid":493476,"sku":"204036","psvid1":286203,"psvid2":286204,"psvid3":0,"psvid4":0,"left_num":190,"price":"8.200","strike_price":"0.000","innercode":"","addtime":"2026-06-02 22:48:04","uptime":"2026-06-02 22:48:04","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":"8.2","subtotal":8.2}]}
Ubiquiti

UACC-OM-SM-1G-S | 3km

Ubiquiti UACC-OM-SM-1G-S Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex LC DOM SMF Optical Transceiver Module

15 Reviews
|
1.9K Sold

$ 6.5 ~~$ 0.00~~

{"pid":496401,"minimum_ordered_quantity":1,"skulist":[{"pskuid":220167,"cid":752,"pid":496401,"sku":"220167","psvid1":319962,"psvid2":319963,"psvid3":0,"psvid4":0,"left_num":975,"price":"6.500","strike_price":"0.000","innercode":"","addtime":"2026-07-31 23:15:12","uptime":"2026-07-31 23:15:12","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":"6.5","subtotal":6.5}]}

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LINK-PP LS-SC31551G-03I 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module (Industrial)

Product summary

Product Details

LINK-PP LS-SC31551G-03I 1G BiDi SFP Specifications

Key Features of LINK-PP LS-SC31551G-03I 1G BiDi SFP

LINK-PP LS-SC31551G-03I 1G BiDi SFP Optical Module

LS-SC31551G-03I: 1G Connectivity for Base Station Fronthaul

LS-SC31551G-03I Module with 1310nm-TX and 1550nm-RX Wavelength

LS-SC31551G-03I Module Supporting 3km Transmission

LS-SC31551G-03I Module with Simplex SC Interface

LS-SC31551G-03I Module with DOM for Real-Time Monitoring

LINK-PP LS-SC31551G-03I 1G SFP Certification

LS-SC31551G-03I Quality Testing Program

LS-SC31551G-03I Quality Certifications

LS-SC31551G-03I 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-SC31551G-03I 1G SFP

Anti-Static Protective Packaging

Shock-Resistant Transport Protection

Fast Order Processing and Dispatch

Global Logistics and International Delivery

LINK-PP LS-SC31551G-03I 1G SFP Usage Demonstration

LS-SC31551G-03I Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-SC31551G-03I 1G SFP After-Sales Assurance

Model Comparison Table

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LINK-PP LS-SC31551G-03I 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module (Industrial)

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