Cisco SFP-10G-SR-S
10GBASE-SR SFP Module, Enterprise-Class, Original Cisco
Product Highlights
Scaling your 10 Gigabit Ethernet infrastructure shouldn't mean overpaying for protocol support you'll never use. The Cisco SFP-10G-SR-S is an enterprise-class, S-Class 10GBASE-SR SFP+ transceiver module purpose-built for Ethernet-only deployments over multimode fiber.
Operating at 850nm, this original Cisco module supports link lengths of up to 300 meters on OM3 fiber and 400 meters on OM4/OM5 fiber, making it an ideal fit for intra-building backbone runs, data center top-of-rack connections, and campus access-layer uplinks. It also reaches 26 meters on legacy FDDI-grade MMF for brownfield environments.
The SFP-10G-SR-S includes Digital Optical Monitoring (DOM) for real-time visibility into transmit and receive power levels, temperature, bias current, and supply voltage — giving network teams the diagnostic data they need to troubleshoot proactively. With a power draw of only 1W and a commercial operating temperature range of 0°C to 70°C, this module delivers reliable performance in standard enterprise environments while keeping energy costs low.
As a Cisco S-Class optic, the SFP-10G-SR-S is scoped for Ethernet operation and carries a lower price point than the standard SFP-10G-SR, making it the smart choice when Fibre Channel or OTN protocol support is not required. It is recognized natively by supported Cisco platforms via the Cisco quality Identification (ID) feature — no workarounds needed.
Features & Benefits
10 Gigabit Short-Reach Connectivity
The SFP-10G-SR-S delivers 10 Gbps Ethernet over multimode fiber at 850nm. It supports reach of up to 300m on OM3 and 400m on OM4/OM5 fiber, covering the vast majority of intra-building and data center interconnect distances without the cost of single-mode optics.
S-Class Enterprise Optimization
Cisco's S-Class designation scopes this module to Ethernet-only operation at a lower price point than the standard SFP-10G-SR. If your deployment is pure Ethernet — no Fibre Channel, no OTN — the SR-S delivers identical optical performance at a reduced cost, making it ideal for large-scale enterprise rollouts.
Digital Optical Monitoring (DOM)
Built-in DOM per SFF-8472 provides real-time telemetry on transmit power, receive power, laser bias current, supply voltage, and module temperature. This enables proactive fault detection and simplifies troubleshooting, reducing mean time to repair across your fiber plant.
Hot-Swappable SFP+ Form Factor
The compact SFP+ form factor allows hot-swap installation and replacement without powering down the host device. This supports a pay-as-you-populate deployment model, protecting your investment and simplifying technology migrations as bandwidth demands grow.
Cisco Quality Identification
As an original Cisco transceiver, the SFP-10G-SR-S is programmed with Cisco quality ID, enabling supported Cisco platforms to automatically recognize and validate the module. This ensures full compatibility and eliminates the need for unsupported-transceiver CLI workarounds.
Deployment Scenarios
Enterprise Campus Access & Distribution Uplinks
Deploy the SFP-10G-SR-S in Catalyst access and distribution switches to provide 10G uplinks between wiring closets and the campus core. With up to 400m reach on OM4 fiber, it covers typical inter-floor and inter-building distances within a campus environment at an optimized cost.
Data Center Top-of-Rack Interconnects
Use the SFP-10G-SR-S for server-to-switch and switch-to-switch 10G links within the data center. The short-reach 850nm optics are perfectly matched to the OM3/OM4 multimode fiber commonly deployed in structured cabling environments, delivering high bandwidth with minimal power consumption.
High-Density Switch Stack Uplinks
Populate SFP+ uplink ports on Catalyst 9200, 9300, or 3850 series stacks with the SFP-10G-SR-S to build resilient, high-bandwidth connections to aggregation or core layers. The S-Class pricing makes it cost-effective to equip every stack member with redundant 10G uplinks.
General
Optical
Distance
Physical
Environmental
Compliance
Compatibility Notes
The SFP-10G-SR-S is an S-Class module supported on a wide range of Cisco platforms. Commonly compatible platforms include:
- Catalyst Series: 2960-S, 2960-X, 3560-X, 3650, 3750-X, 3850, 4500-X, 9200, 9200L, 9300, 9300L, 9400 (C9400-LC-24XS), 9500
- Nexus Series: 3048, 3132Q, 3132Q-X, 3172PQ, 31108PC-V, 31128PQ
- Catalyst 8000 Series: 8300, 8500L
Important: The SFP-10G-SR-S does not support FCoE. For Fibre Channel or OTN requirements, use the standard SFP-10G-SR or the multirate SFP-10G-SR-X instead.
Always verify your specific platform and IOS/IOS-XE/NX-OS version against the Cisco 10 Gigabit Ethernet Transceiver Modules Compatibility Matrix before ordering.
Downloads & Resources
Frequently Asked Questions
| Part Number | Product | Key Difference |
|---|---|---|
| SFP-10G-SR | Cisco 10GBASE-SR SFP+ (Standard) | Standard-class module supporting Ethernet plus Fibre Channel and OTN protocols; higher price point than the S-Class SR-S. |
| SFP-10G-SR-X | Cisco 10GBASE-SR SFP+ (Extended Temp) | Multirate module (10GBASE-SR/SW, OTU2/OTU2e) with extended operating temperature range for harsh environments. |
| SFP-10G-LR-S | Cisco 10GBASE-LR SFP+ (S-Class) | S-Class long-reach module operating at 1310nm over single-mode fiber for up to 10 km — choose when distances exceed MMF limits. |
| FET-10G | Cisco Fabric Extender Transceiver | Optically identical 850nm 10G module but coded exclusively for Nexus 2000/5000/7000 Fabric Extender links. |
