| Product Type | SFP28 Transceiver Module |
| Form Factor | Plug-in module |
| Connectivity Technology | Wired |
| Weight | Approximately 20 g |
| Power Consumption | ≤1 W (typical) |
| Manufacturer Part Number | SFP-25G-SL= |
| Product Name | Cisco 25GBASE-SR SFP28 Transceiver Module, 25GbE, Plug-In, LC MMF |
| Family | Networking |
Cisco 25GBASE-SR SFP28 Transceiver Module, 25GbE, Plug-In, LC MMF

Key Benefits
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- High-speed 25GbE performance ensures scalable bandwidth for data centers and enterprise networks.
- Standards compliance and TAA qualification make it suitable for regulated or government environments.
- Plug-in form factor and certified interoperability enable quick deployment and integration.
Product Overview
The Cisco 25GBASE-SR SFP SL Module is a high-performance SFP28 transceiver for short-reach 25GbE applications over LC multi-mode fiber, delivering up to 25 Gbps over 98 feet with an 850 nm wavelength. Designed in a plug-in form factor, it ensures efficient deployment and scalability. Certified by IEEE 802.3by/cc and compliant with RoHS, SFF-8472 Rev. 12, and other standards, it is constructed for operational reliability in data centers and enterprise networks. The module operates between 32°F and 158°F, is TAA-compliant, and includes a 5-year limited warranty.
Specifications
Product Overview
Wireless Features
| Wireless Technology |
Compliance & Origin
| Country of Origin | China / Malaysia / Taiwan |
| TAA Compliant | Yes |
| Compliant Standards | IEEE 802.3by, IEEE 802.3cc, SFF-8472 Rev. 12, SFF-8402 Rev. 1.0, RoHS, IEC 60825-1, Laser Class 1, UL E116441, 21 CFR 1040, ELV |
| RoHS Compliant | Yes |
| Laser Classification | Class 1 |
| Regulatory Standards | IEC-60825, FDA 21 CFR 1040.10 and 1040.11 |
Advanced Security Features
| Digital Diagnostic Monitoring (DDM) | Yes (SFF-8472 compliant) |
| Security Features | Hardware-based signal integrity and diagnostics |
Interfaces
| Interface | SFP28 |
| Port Type | LC duplex connector (multi-mode) |
| Port Count | 1 x Ethernet 25GBase-SL |
| Data Transfer Rate | 25 Gbps |
| Wavelength | 850 nm |
| Max Transmission Distance | 30 meters (98 ft) on OM3 MMF |
| Cable Type Supported | Multi-mode fiber (OM3 / OM4) |
| Data Link Protocol | 25 Gigabit Ethernet |
Physical & Environmental
| Minimum Operating Temperature | 32 °F (0 °C) |
| Maximum Operating Temperature | 158 °F (70 °C) |
| Relative Humidity (Operating) | 10% – 85% (non-condensing) |
| Storage Temperature | -40 °F to 185 °F (-40 °C to 85 °C) |
| Dimensions | 8.5 mm x 13.4 mm x 56.5 mm |
Cloud Management & Licensing
| Cloud Management | Not applicable |
| Subscription Licensing Required | No |
Warranty & Support
| Manufacturer Warranty | 5-year limited hardware warranty |
| Support Type | Return to factory |
| Service Availability | 5 years |