The Cisco SFP-25G-LR-S compatible SFP28 transceiver provides 25GBase-LR throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via an LC duplex connector. Featuring low power consumption, high speed, this 25G transceiver is ideal for 25G Ethernet, telecom, and data center. Besides, it offers interoperability, laying a foundation for the next-generation network upgrade. Each SFP28 transceiver module is individually tested in targeted switch, it is fully compliant with the SFP28 MSA, CPRI and eCPRI standard.
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/20240905110403lsogac.jpg)
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![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/images/GXEVXystdCbDkuEk.jpg)
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/60x60/20240905110403lsogac.jpg)
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/60x60/20240905110439kch80d.jpg)
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/60x60/20221007104245jsrdtt.jpg)
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/60x60/20240905110458y2g8ar.jpg)
![Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-25GLR-31.](https://resource.fs.com/mall/mainImg/60x60/20221007104245c13e53.jpg)
Cisco SFP-25G-LR-S Compatible SFP28 25GBASE-LR 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module
Hot #70382
Hot #70382
70,21 € (Incl. VAT)
FS P/N: SFP-25GLR-31
32.9K Sold
40 Reviews
24 Questions
Transceiver Models:
2939 in DE Warehouse, Get it by 11 Sep, 2024
1621 in Global Warehouse, Get it by 9 Sep, 2024
660 in Transit, Get it by 9 Sep, 2024
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Deliver to Berlin, 10082
Free Shipping via TNT Express® on orders over 79,00 €
Free Product Trial
5-Year Warranty
30-Day Returns
30-Day Exchange
Cisco SFP-25G-LR-S Compatible 25GBASE-LR SFP28 DOM Optical Transceiver Module for Data Center and Telecom (SMF, 1310nm, 10km, LC, DOM)
Specifications
Cisco Compatible
SFP-25G-LR-S
Vendor Name
FS
Form Factor
SFP28
Max Data Rate
25.78Gbps
Wavelength
1310nm
Max Cable Distance
10km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB 1310nm
Receiver Type
PIN
TX Power
-4~2dBm
Receiver Sensitivity
<-12dBm
Power Budget
8dB
Receiver Overload
2dBm
Power Consumption
<1.2W
Extinction Ratio
3.5dB
CDR
TX and RX
FEC Function
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
MSA Compliant, CPRI, eCPRI
Core Size
G.652
Packaging Technology
BOX Packaging
DOM
Supported
Warranty
5 Years
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.
Connectivity Solutions
![](https://resource.fs.com/mall/fs_scene_images/20230812111703ftbbzl.jpg)
![](https://resource.fs.com/mall/mainImg/180x180/20230515094322evbumn.jpg)
S5850-24B4C, 24-Port Ethernet L3 Switch, 24 x 25Gb SFP28, with 4 x 100Gb QSFP28, Support MPLS&MLAG
4.458,93 €
See more
Features
Upgrade Your Network One Site at a Time
Upgrade just one site to 100G gear, and still connect it to the existing 25G sites.
Connect New 100G Sites to Legacy 25G Sites
Full Utilize Your 100G Port Bandwidth
Re-use 25G Optics in New 100G Ports
25G Connectivity for Data Center
Featured with low-power, high-density and high-speed, the SFP28 transceiver offers a popular way to help you quickly ramp up to 25G transmission.
Leading Performance and Quality for 25G
Built-in Macom Chip, the SFP28 25G transceiver offers high-speed, and low-power in 25G links. Equipped with individually designed BOX packaging.
Macom Chip
Stable Transmission
≤1W
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/202307061010095oz00l.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 | 850nm | 1310nm | 850nm | 1310nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max.) | 100m@OM4/70m@OM3 | 10km | 400m@OM4/300m@OM3 | 30km | 40km |
Media | MMF | SMF | MMF | SMF | SML |
Transmitter Type | VCSEL | DFB | VCSEL | DML | EML |
Packaging Technology | COB Packaging | BOX Packaging | COB Packaging | BOX Packaging | BOX Packaging |
Chip | Macom | Macom | Macom | Maxim | Maxim |
Application | 25G Ethernet/ Telecom/ Data Center | 25G Ethernet/ Telecom/ Data Center | 25G Ethernet/ Telecom/ Data Center | 25G Ethernet/ Telecom/ Data Center | 25G Ethernet/ Telecom/ Data Center |
Videos
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Questions & Answers
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All (24)Unanswered Question (1)Compatibility (2)Matched Attenuator (2)Product Comparison (2)TX Power (2)4x25G Breakout (1)Application Environment (1)Broadcom Series (1)Chelsio Series (1)Compatible Brand (1)Dual Rate (1)FEC (1)FS Box (1)Nexus Series (1)Receiver Sensitivity (1)
Customer Reviews
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C***n
Japan
September 05, 2023
FS's after-sales service is always responsive and satisfies me.
Verified Purchase
Helpful 0
Comment 0O***t
United States
August 14, 2023
When I didn't know how to use it properly, FS's technical support provided me with timely assistance and solutions. It has been a great shopping experience.
Verified Purchase
Helpful 0
Comment 0A***n
Ukraine
August 11, 2023
I really appreciate your help and the high-quality products FS provides.
Verified Purchase
Helpful 13
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