The QSFP+ module is designed for use in 40GBASE Ethernet throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 and OTU3 C4S1-2D1 standard. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. With these features, this easy to install, hot swappable transceiver is suitable to be used in various applications, such as data centers, high-performance computing networks, enterprise core and distribution layer applications.
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/20220709102625pajknu.jpg)
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![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about 介绍视频.](https://resource.fs.com/images/4ArwLeoPurjmGPZr.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/20220709102625pajknu.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/20220709102628445avw.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/20220709102653ihonen.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/202207091026353bdmgd.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/202302271020551zi3zj.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/20220709102655sr7zqp.jpg)
![MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about QSFP-LR4-40G.](https://resource.fs.com/mall/mainImg/60x60/20220805161101snwofb.jpg)
MikroTik Q+31DLC10D Compatible QSFP+ 40GBASE-LR4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module
#75299
#75299
US$309.00
FS P/N: QSFP-LR4-40GFS P/N: QSFP-LR4-40G
250 Solds
577 Reviews
11 Questions
Transceiver Models:
1136 in U.S. Warehouse, Get it by 11 Sep, 2024
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Deliver to New York, 10010
Free Shipping via UPS Ground®
5-Year Warranty
30-Day Returns
30-Day Exchange
MikroTik Q+31DLC10D Compatible 40GBASE-LR4 QSFP+ Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
Specifications
MikroTik Compatible
QSFP-40GE-LR4
Vendor Name
FS
Form Factor
QSFP+
Max Data Rate
44.6Gbps (4x 11.2Gbps)
Wavelength
1310nm
Max Cable Distance
10km
Connector
Duplex LC
Media
SMF
Transimitter Type
DFB CWDM
Receiver Type
PIN
TX Power
-7~2.3dBm
Receiver Sensitivity
<-11dBm
Power Budget
4dB
Receiver Overload
2.3dBm
Power Consumption
≤3.5W
Core Size
9um
Extinction Ratio
>3.5dB
Modulation
NRZ
Host FEC
Supported
Bit Error Ratio (BER)
1E-12
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant
Quality Testing Program
Quality Testing Program
![](https://resource.fs.com/mall/ckfinder/ftp_images/product/20220902172543_802.jpg)
Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Features
40G Connectivity for Data Center
Featured with low-power, high-density and high-speed, the QSFP+ transceiver offers a popular way to help you quickly ramp up to 40G transmission.
Leading Performance and Quality for 40G
Built-in Semtech Chip, the QSFP+ 40G transceiver offers high-speed, and low-power in 40G links. Equipped with individually designed BOX packaging.
Inphi Semtech Chip
Stable Transmission
≤ 3.5W
Low Power Consumption
BOX Packaging
Great Airtightness
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.
![](https://resource.fs.com/mall/fs_scene_images/20230626115738jm44hb.jpeg)
Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
Eye Pattern Test
Mask Margin >20%
Bit Error Rate Test
BER 1E-12
Temperature Test
0~70°C
Enable Seamless Connectivity for Your Network
Reconfiguring the transceiver to work with different brands, FS BOX offers flexibility in stock costs.
Center Wavelength | 1310nm | 1310nm | 1310nm | 1310nm |
Connector | Duplex LC | MTP/MPO-12 Male | Duplex LC | Duplex LC |
Cable Distance (Max.) | 10km | 10km | 40km | 80km |
Cable Type | SMF | SMF | SMF | SMF |
Transmitter Type | DFB CWDM | 4x DFB | DFB CWDM | EML |
Packaging Technology | BOX | BOX | BOX | BOX |
Chip | Semtech | MAXIM | Semtech | Semtech |
Power Consumption | ≤3.5W | ≤2.5W | ≤3.5W | ≤4.5W |
Protocols | OTN OTU3, 40G Ethernet, Fiber Channel, SATA/SAS3, MSA Compliant | 40G Ethernet, MSA Compliant | OTN OTU3, 40G Ethernet, SATA/SAS3, MSA Compliant | QSFP+ MSA, IEEE 802.3ba Compliant |
Application | Data Center 40GBASE Ethernet | Data Center 40GBASE Ethernet 40G to 4x10G Breakout | Data Center 40GBASE Ethernet | Data Center 40GBASE Ethernet |
Videos
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Questions & Answers
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Customer Reviews
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D***n
United States
September 06, 2022
Worked perfectly
Verified Purchase
Helpful 1
Comment 0M***r
United States
August 01, 2022
I purchased transceivers from FS previously. I can give you the feedback now. They are good and comparable with the original. FS is also recommended by service providers. FS has a good name.
Verified Purchase
Helpful 0
Comment 0M***y
United States
July 26, 2022
The modules arrived quickly and worked perfectly in pre-deployment testing. The deployment should be finished by the end of this week and I foresee no issues.
Verified Purchase
Helpful 0
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