SFP-25G-SR-S
25GBASE-SR SFP28 Module for MMF
The Cisco SFP-25G-SR-S is a hot-swappable 25GBASE-SR SFP28 transceiver module with up to 70m reach on OM3 or 100m reach on OM4 multimode fiber. It provides 25Gbps connectivity over duplex LC connectors with low power 1.2W max power consumption.
SFP-25G-SR-S Overview
The Cisco SFP-25G-SR-S is a 25GBASE-SR SFP28 transceiver module designed for high-density 25Gbps optical interconnects in data centers and high performance computing networks.
This 25G SFP+ module provides 25Gbps connectivity over multimode fiber for distances up to 70 meters on OM3 fiber cables or up to 100 meters on OM4 fiber cables. The module supports links over standard 50um multimode fiber terminated with dual LC connectors.
The Cisco SFP-25G-SR-S module has a compact SFP28 form factor, low power consumption of 1.2W max, and commercial operating temperature range. It is compatible with multiple Cisco switches and routers supporting 25G SFP28 ports. The module requires RS-FEC on host switch ports for link operation.
Quick Specifications
| Attribute | Value |
|---|---|
| Connector Type | Dual LC/PC |
| Cable | 50um OM3/OM4 MMF |
| Wavelength | 850nm |
| Reach | Up to 70m (OM3), 100m (OM4) |
| Signaling Rate | 25.78 Gbps |
| FEC Requirement | RS-FEC |
| Max Power Consumption | 1.2W |
| Operating Temperature | 0°C to 70°C |
| Dimensions | W: 18.35 x D: 9.5 x H: 56.5 mm |
SFP-25G-SR-S Features and Benefits
- 25GBASE-SR compliant optics for multimode fiber connectivity
- Designed for high density 25G switch and router interconnects
- SFP28 industry standard form factor for compact footprint
- Low transmit and receive power to protect near end optics
- Link lengths up to 70 meters on OM3 or 100 meters on OM4 fiber
- Dual LC connector interface for reliable fiber termination
- Fiber Channel over Ethernet (FCoE) support
- Low 1.2W max power consumption
Compatible Products
| Platform | Minimum Software Version | Line Cards Supported |
|---|---|---|
| Cisco Nexus 9000 series switches | 7.x NX-OS | N9K-X9436PQ, N9K-X9564PX line cards |
| Cisco Catalyst 9400 Series Switches | IOS XE Amsterdam 17.3.x | C9400-LC-48UX line card |
Full Specifications
| Specification | Value |
|---|---|
| Nominal Bit Rate | 25.78 Gbps |
| Cable Specification | 50μm OM3/4 MMF |
| Modal Bandwidth | OM3: 2000 MHz-km OM4: 4700 MHz-km |
| Connectors | Dual LC/PC |
| Wavelength | 850nm |
| Launch Power Min/Max | -8.4dBm / +2.4dBm |
| Receive Power Sensitivity | -10.3dBm |
| Link Reach | 70m on OM3 100m on OM4 |
| Dimensions | 56.5 x 18.35 x 9.5 mm |
| Diag. Monitoring | Yes |
| Dom. Compliance | SFF-8472 |
| MSA Compliance | SFF-8432 |
| IEC/EN 60825 Compliance | Yes |
| RoHS Compliance | Yes |
SFP-25G-SR-S Licensing
No licensing required. Once purchased, the module can be used with Cisco products supporting its form factor and port capability.
Warranty Information
Cisco optics and cables come with a 5-year standard warranty included. For full warranty terms and replacement options, refer to your Cisco account representative.
Installation and Configuration
The Cisco SFP-25G-SR-S module is hot-swappable, which allows installation or replacement without system power disruption. Ensure the switch ports and module have cleaned fiber cable connections. Use only approved multimode OM3/4 fiber for connections.
Port speeds up to 25Gbps are auto-negotiated and no switch level configuration changes are required to enable the 25G support. Host interfaces should be configured with RS-FEC for link operation at 25Gbps speed.
Brand
Cisco Systems
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