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extreme qsfp-lr4-40g-i compatible link-pp 40g qsfp+ lr4 1310nm 10km dom duplex lc smf optical transceiver module (industrial)
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Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)

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Product summary

Product
Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ LR4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module (Industrial)
SKU
219553
P/N
LQ-CW40-LR4I
Price
SGD 193.04
Stock
1132 in Stock
Sold
737
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: $10 Coupon for Orders , Code: linkpp2610
29 Reviews
5 Questions
737 Sold
S$ 152 0% OFF )
Free shipping. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
SGD 193.04
100
SGD 183.388
1000
SGD 177.597
3000
SGD 171.806
6000
SGD 166.015
Manufacture: LINK-PP P/N: LQ-CW40-LR4I SKU: 219553
Shipping:
Free Shipping
to Singapore via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ Specifications

The Extreme QSFP-LR4-40G-I Compatible LINK-PP industrial transceiver delivers outstanding 40GBASE-LR4 Ethernet connectivity. Engineered specifically for harsh environments, this robust 40G QSFP+ optical module operates flawlessly between extreme temperatures of minus forty and eighty-five degrees Celsius. With advanced DFB lasers, it enables reliable single-mode fiber networking up to 10km, meeting demanding enterprise communication requirements.

Extreme Part NumberQSFP-LR4-40G-IVendor NameLINK-PP
Form Factor QSFP+ Max Data Rate 40Gbps
Wavelength 1271nm, 1291nm, 1311nm, 1331nm Max Cable Distance 10km
Connector Duplex LC Media SMF
Transmitter Type DFB Receiver Type

PIN

Power Consumption ≤3.3W Protocols OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant
Host FEC Supported Operating Temperature Range

-40°C to +85°C

Key Features of Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+

This rugged networking component provides highly exceptional bandwidth expansion for industrial ethernet deployments. Featuring uncooled DFB laser and high-sensitivity PIN photodiode, the quad small form-factor pluggable plus transceiver consistently ensures minimal signal degradation, lower power consumption, and uninterrupted long-haul data transmission capabilities.

Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ Optical Module

Functioning as a high-performance 40 Gigabit optical transceiver, this device supports remarkable 41.25 Gbps aggregate data rates. It seamlessly upgrades data center interconnects and core routing infrastructures with superior industrial-grade networking reliability and steadfast operational stability.

QSFP-LR4-40G-I: 40G Connectivity for Railway Systems

Perfectly designed for intelligent transportation, this hardened optical module guarantees continuous 40G broadband connectivity across vibration-heavy railway systems. Its wide temperature tolerance secures critical trackside communication, empowering automated train control and remote rail monitoring networks effectively.

QSFP-LR4-40G-I Module with CWDM4 Technology for Fiber Efficiency

Integrating advanced coarse wavelength division multiplexing technology, this CWDM4 transceiver transmits four distinct optical signals over one fiber pair. This innovative multiplexing significantly maximizes existing dark fiber infrastructure, optimizing network bandwidth while dramatically reducing cabling costs.

QSFP-LR4-40G-I Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength

Operating across the standardized CWDM grid, the module utilizes precise 1271nm, 1291nm, 1311nm, and 1331nm wavelengths. These strictly calibrated optical lanes ensure minimal crosstalk and exceptional signal integrity for high-speed telecommunication across diverse wide area networks.

QSFP-LR4-40G-I Module Supporting 10km Transmission

Engineered for long-reach applications, this robust long-haul transceiver seamlessly supports distances reaching up to 10km. It perfectly utilizes OS2 single-mode optical fiber, bridging distant campus networks and remote industrial sites without requiring additional signal amplification.

QSFP-LR4-40G-I Module with Duplex LC Interface

Featuring a standard dual LC receptacle, the module ensures effortless integration with conventional patch cords. This duplex LC interface provides secure, low-insertion-loss optical connections, facilitating rapid deployment and straightforward maintenance within dense fiber optic distribution frames.

QSFP-LR4-40G-I Module with DOM for Real-Time Monitoring

Equipped with comprehensive digital optical monitoring capabilities, network administrators can easily access real-time diagnostic data. This DOM functionality accurately tracks operational temperature, laser bias current, voltage, and optical power, preventing unexpected downtime through proactive system maintenance.


Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ Certification

Demonstrating outstanding manufacturing excellence, this industrial networking hardware successfully meets stringent global regulatory standards, delivering verifiable safety and uncompromised environmental compliance for enterprise network deployments.

Optical Transceivers Testing

Every single datacom transceiver undergoes an exhaustive quality assurance program. Our systematic laboratory evaluations guarantee flawless optical performance, ensuring unmatched hardware resilience before any market distribution.

QSFP-LR4-40G-I Quality Certifications

This premium communication module holds prestigious CE, FCC, UKCA, UL, and REACH certifications. Furthermore, full RoHS compliance verifies its environmentally responsible construction and superior electrical safety.

QSFP-LR4-40G-I Certified for Reliable Host-Device Compatibility

Thoroughly verified for extensive multi-vendor interoperability, the device offers plug-and-play functionality. It achieves flawless compatibility across major enterprise routers and ethernet switches without triggering frustrating vendor lock-in errors.


Rigorous Testing Ensures Reliable QSFP+ Performance

Through uncompromising laboratory assessments, we validate every critical metric. These comprehensive inspection protocols guarantee the ultimate reliability of our fiber optic communication equipment.

Optical

Optical Spectrum Test

Highly precise spectrum analyzers rigorously confirm accurate center wavelengths and optimal signal stability.

Optical

Eye Pattern Test

Advanced oscilloscopes inspect transmitter eye diagrams to guarantee excellent jitter performance and clarity.

Optical

Bit Error Rate Test

Continuous data traffic simulations ensure absolute transmission accuracy and zero packet loss incidents.

Optical

Temperature Test

Environmental chambers validate continuous module functionality across extreme freezing and scorching industrial conditions.


Product Shipping for Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+

We implement professional supply chain management processes to ensure your high-speed networking components arrive safely, securely, and completely ready for immediate infrastructure deployment.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Premium electrostatic discharge bags prevent critical damage to sensitive microelectronic components.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Customized foam padding absorbs severe vibrations during complex logistical transit routes.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Streamlined warehouse operations guarantee expedited fulfillment and rapid outgoing parcel shipments.

Global Logistics and International Delivery

Global Logistics and International Delivery

Strategic carrier partnerships enable prompt and reliable worldwide courier delivery services.

Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ Usage Demonstration

Experience seamless network integration by simply inserting this hot-swappable module into any compatible core switch. Its straightforward installation instantly establishes a resilient forty-gigabit optical link, immediately elevating industrial communication infrastructures with minimal physical setup or technical configuration.

QSFP-LR4-40G-I 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

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable QSFP-LR4-40G-I modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility Verification Support

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

Deployment & Installation Assistance

Deployment & Installation Assistance

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

Long-Term Technical Assurance

Long-Term Technical Assurance

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

Extreme QSFP-LR4-40G-I Compatible LINK-PP 40G QSFP+ After-Sales Assurance

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

15 days

15-day no-reason return and refund

Free maintenance or replacement

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

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

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S***s
Viet Nam
Verified Purchase
4 .0
2026-05-01
The 40G QSFP+ LR4 works perfectly, but the outer box was slightly crushed upon arrival.
J***e
Panama
Verified Purchase
5 .0
2026-04-13
Fast shipping and the 40G optical module performs exactly as the datasheet promised! (ノ◕ヮ◕)ノ
C***n
Viet Nam
Verified Purchase
5 .0
2026-03-03
Perfect for harsh environments. This industrial transceiver handles extreme heat without dropping links.
B***t
Russian Federation
Verified Purchase
5 .0
2026-02-14
Juniper switches accepted this 40Gbps transceiver without any warnings. Great DOM features too!
J***s
Viet Nam
Verified Purchase
5 .0
2026-01-15
Excellent 40G QSFP+ LR4 module, zero errors!
S***n
Finland
Verified Purchase
5 .0
2026-01-05
Works flawlessly with my Cisco gear.
R***z
Mexico
Verified Purchase
5 .0
2025-10-01
Batch deployed these industrial 40G QSFP+ LR4 transceivers for our base station backhaul. Flawless 10km SMF links. The DDM output is highly accurate across extreme outdoor cabinet temps (-40°C). Highly recommended for telecom!
L***n
Canada
Verified Purchase
5 .0
2025-09-11
Rock solid industrial transceiver for outdoor cabinets.
M***e
Brazil
Verified Purchase
5 .0
2025-08-14
Fully compliant MSA 40G optical module.
E***s
Spain
Verified Purchase
5 .0
2025-05-28
Solid 40GBASE-LR4 performance for our 10km base station backhaul. Will buy more soon.
S***l
Indonesia
Verified Purchase
5 .0
2025-04-25
Installed in a Dell switch for our NAS array. Superb 10km single-mode fiber link.
P***e
Viet Nam
Verified Purchase
5 .0
2025-04-17
DDM monitoring is accurate and super helpful.
M***l
Austria
Verified Purchase
5 .0
2025-04-05
Great value for 40Gbps single-mode networking!
R***n
France
Verified Purchase
5 .0
2025-01-29
Link-pp is very professional and strive to meet my needs at any time!
M***l
Turkey
Verified Purchase
5 .0
2025-01-18
The item works well with our systems and was easy to order and Fast delivery as promised.
M***r
Russian Federation
Verified Purchase
5 .0
2025-01-10
Tested this 40G QSFP+ single-mode fiber transceiver for a demanding data center interconnect. The DFB laser handles 1271-1331nm wavelengths perfectly over OS2. Zero packet loss over 8km, great OEM compatibility! (ง •_•)ง
V***d
Italy
Verified Purchase
5 .0
2024-05-14
Track is tracked. Excellent Optical Transceiver Modules for such a price, cope with their task
M***i
Morocco
Verified Purchase
5 .0
2024-03-04
Link-PP always has excellent prices. I've never had to deal with their service center because I haven't needed to.
W***s
United States
Verified Purchase
5 .0
2024-01-17
Great price, great product. I will be back! Thanks!
M***i
United States
Verified Purchase
5 .0
2023-12-09
Very happy with the speed of delivery, unlike others, and accuracy of order. Will buy from them again.
I***i
United States
Verified Purchase
5 .0
2023-11-27
The 10/25/40G Transceiver Modules is really what I needed.Will come back to buy more.
C***n
Canada
Verified Purchase
5 .0
2023-10-09
Works as advertised and as expected.
S***y
Japan
Verified Purchase
5 .0
2023-08-27
The price is reasonable. I always save money when I shop with l-p.com.
D***e
Brazil
Verified Purchase
5 .0
2023-07-20
The most reliable and the best value for money on 10/25/40G Transceiver Modules.
S***z
Japan
Verified Purchase
5 .0
2023-06-08
so easy to filter and make a decision
L***a
Iran, Islamic Republic of
Verified Purchase
5 .0
2023-05-28
Good products and prices. Poor communication. Email status is slow/delayed.
M***n
Hong Kong
Verified Purchase
5 .0
2023-05-05
I feel your customer service is more reliable than other online shops.
K***i
Japan
Verified Purchase
5 .0
2023-03-23
Very surprised with the Fast shipping. Great shopping experience with LINK-PP!
Y***p
France
Verified Purchase
5 .0
2023-03-06
Very good for the price and durable enough for home use.
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