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This picture is about QSFP-IR4-40G.
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Cisco WSP-Q40GLR4L Compatible 40GBASE-LR4L QSFP+ 1310nm 2km DOM Duplex LC SMF Optical Transceiver Module

#36172
#36172

Semtech DFB BOX ≤3.5W Duplex LC SMF

US$289.00
FS P/N: QSFP-IR4-40G
FS P/N: QSFP-IR4-40G
3.1K Sold
168 Reviews
12 Questions
330 In U.S. Warehouse, Get It By Dec 12, 2023
75 In Global Warehouse, Get It By Dec 18, 2023
See more warehouse availability
Deliver to New York, 10010
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5-Year Warranty
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Cisco WSP-Q40GLR4L Compatible 40GBASE-LR4L QSFP+ Optical Transceiver Module (SMF, 1310nm, 2km, LC, DOM)

The QSFP+ module is designed for use in 40GBASE Ethernet throughput up to 2km 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 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.

Specifications
Cisco Compatible
WSP-Q40GLR4L
Vendor Name
FS
Form Factor
QSFP+
Max Data Rate
41.2Gbps (4x 10.3Gbps)
Wavelength
1310nm
Max Cable Distance
2km
Connector
Duplex LC
Media
SMF
Transimitter Type
DFB CWDM
Receiver Type
PIN
TX Power
-7~2.3dBm
Receiver Sensitivity
<-11.5dBm
Powerbudget
4.5dB
Receiver Overload
2.3dBm
Power Consumption
≤3.5W
Extinction Ratio
>3.5dB
Host FEC
Supported
Bit Error Ratio (BER)
1E-12
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
40G Ethernet, Fibre Channel, SATA/SAS3, MSA Compliant

Quality Testing Program

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
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.

Connectivity Solutions

See more
40G Connectivity with Direct Connect Cabling
View products
40G Connectivity with NIC
View products
Leaf-spine Connections
View products
40G Structured Cabling Connections
View products

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.
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.
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

Videos

Specifications

Cisco WSP-Q40GLR4L Compatible 40GBASE-LR4L QSFP+ Optical Transceiver Module (SMF, 1310nm, 2km, LC, DOM)

The QSFP+ module is designed for use in 40GBASE Ethernet throughput up to 2km 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 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.

Specifications
Cisco Compatible
WSP-Q40GLR4L
Vendor Name
FS
Form Factor
QSFP+
Max Data Rate
41.2Gbps (4x 10.3Gbps)
Wavelength
1310nm
Max Cable Distance
2km
Connector
Duplex LC
Media
SMF
Transimitter Type
DFB CWDM
Receiver Type
PIN
TX Power
-7~2.3dBm
Receiver Sensitivity
<-11.5dBm
Powerbudget
4.5dB
Receiver Overload
2.3dBm
Power Consumption
≤3.5W
Extinction Ratio
>3.5dB
Host FEC
Supported
Bit Error Ratio (BER)
1E-12
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
40G Ethernet, Fibre Channel, SATA/SAS3, MSA Compliant

Quality Testing Program

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
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.
Connectivity Solutions
See more
40G Connectivity with Direct Connect Cabling
View products
40G Connectivity with NIC
View products
Leaf-spine Connections
View products
40G Structured Cabling Connections
View products
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.
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.
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
Videos

Questions & Answers

All (12)Meraki Series (2)Product Recommendation (2)Cable Type (1)Cisco Series (1)Connectors (1)FS S5850-32S2Q (1)Lead Time (1)Transmission Distance (1)Warranty (1)

Customer Reviews

4.8

A***a

United States

August 14, 2023
5.0
Works as expected.
Verified Purchase
Helpful 0
Comment 0

D***a

Canada

May 28, 2023
5.0
I have received the package and put some of the optical transceivers to use. The 40G and 100G modules are working as expected and we don’t have any issues at the moment. We are very happy with the quality of your product.
Verified Purchase
Helpful 4
Comment 0

S***r

United States

August 01, 2022
5.0
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 0
See all reviews

Resources

US$289.00

330 In U.S. Warehouse
75 In Global Warehouse