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Cisco Compatible SFP28-25GBASE-LR Optical Transceiver Module
SFP28-25GB-LR
The SFP28-25GB-LR optical transceiver is designed for 25GbE single mode fiber networks and supports transmission distances up to 10km over OS2 fiber.Featuring a duplex LC interface and 1310nm DFB laser technology, it provides reliable connectivity for enterprise networks, campus backbones, and data center interconnect applications.As a cost-effective 25GBASE-LR solution, it offers broad compatibility with mainstream networking platforms and stable long-distance optical transmission.
Product Highlights
*25GBASE-LR optical transceiver
*Supports OS2 single mode fiber
*Up to 10km transmission distance
*1310nm DFB laser technology
*Duplex LC optical interface
*Digital Diagnostic Monitoring (DDM)
*Hot-pluggable SFP28 form factor
*Compatible with major 25G network platforms
Product Highlights
*25GBASE-LR optical transceiver
*Supports OS2 single mode fiber
*Up to 10km transmission distance
*1310nm DFB laser technology
*Duplex LC optical interface
*Digital Diagnostic Monitoring (DDM)
*Hot-pluggable SFP28 form factor
*Compatible with major 25G network platforms
Quantity:
Cisco SFP-25G-LR Compatible 25GBASE-LR SFP28 Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)
The SFP28-25GB-LR module is widely deployed in enterprise and campus networks where longer transmission distances are required than multimode fiber can provide.
Compared with short-reach SR modules, the LR version supports extended connectivity over single mode fiber, making it suitable for building-to-building links, aggregation networks, and remote equipment connections.
Its support for 25GbE bandwidth enables network operators to expand infrastructure capacity while maintaining efficient and scalable optical connectivity.
Compared with short-reach SR modules, the LR version supports extended connectivity over single mode fiber, making it suitable for building-to-building links, aggregation networks, and remote equipment connections.
Its support for 25GbE bandwidth enables network operators to expand infrastructure capacity while maintaining efficient and scalable optical connectivity.
Product Details
Part Number：SFP28-25GB-LR
Description：25GBASE-LR SFP28 optical transceiver, 1310nm, duplex LC, 10km, DDM
Compatible with：Cisco, H3C, Huawei, HP and other mainstream platforms
Data Rate | Module Type | Distance | Wavelength | Interface | Temperature | DDM |
25Gb/s | SFP28 | 10KM | 1310nm | LC | 0~70℃ | Yes |
Specifications
| Cisco Compatible | SFP28-25G-LR | Vendor Name | Firstoptic |
| 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 | Minimum Receiver Power | <-12dBm |
| Power Budget | 8dB | Receiver Overload | 2dBm |
| Power Consumption | ≤1.2W | Extinction Ratio | 3.5dB |
| CDR (Clock and Data Recovery) | TX & RX | Inbuilt FEC | Yes |
| Commercial Temperature Range | 0 to 70℃ (32 to 158°F) | Protocols | MSA Compliant, CPRI, eCPRI |
| DDM/DOM | Supported | Warranty | 3 Years ⓘ |
| Core Size | G.652 | Packaging Technology | BOX Packagin |
Certification system
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.
Application Scenarios
Campus Network Connectivity
The SFP28-25GB-LR optical transceiver enables reliable 25GbE connectivity between network switches over OS2 single mode fiber.
Supporting transmission distances up to 10km, it is suitable for campus networks, enterprise infrastructure, and building-to-building network connections where longer reach optical links are required.
Enterprise Server Connectivity
The SFP28-25GB-LR optical transceiver enables reliable 25GbE connectivity between enterprise servers and network switches over OS2 single mode fiber.
When deployed with compatible 25G NICs and SFP28 switch ports, it supports transmission distances up to 10km, making it suitable for enterprise networks, cloud infrastructure, and remote server connectivity.
Features
Before delivery, every optical transceiver undergoes comprehensive performance verification, compatibility validation, and quality control testing.
Each module is tested to ensure stable signal transmission, interoperability with mainstream networking platforms, and reliable operation under demanding deployment conditions.
Each module is tested to ensure stable signal transmission, interoperability with mainstream networking platforms, and reliable operation under demanding deployment conditions.
Test Equipment
Compatible Test
QC TestHigh Compatibility for all Brands
Fully tested for interoperability with leading networking platforms, ensuring seamless deployment across data center, enterprise, and telecom environments.
FAQ Section
Q1: What is an SFP28 25GB LR optical transceiver?
The SFP28 25GB LR optical transceiver is a 25GBASE-LR module designed for single mode fiber networks with transmission distances up to 10km.
Q2: What fiber is required for a 25GBASE-LR module?
The module requires OS2 single mode fiber and duplex LC connectors.
Q3: What is the maximum transmission distance of SFP28-25GB-LR?
The module supports up to 10km transmission over OS2 single mode fiber.
Q4: Where is a 25G single mode transceiver commonly used?
Typical applications include campus networks, enterprise backbones, telecom access networks, and data center interconnect environments.
Q5: What is the difference between 25GBASE-SR and 25GBASE-LR?
25GBASE-SR is designed for multimode fiber and short-reach applications, while 25GBASE-LR supports up to 10km transmission over single mode fiber for longer-distance network deployments.
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