Overview
The Cisco SFP-10G-SR SFP+ transceiver module is a high-speed optical networking solution designed for 10 Gigabit Ethernet short-reach communication over multimode fiber (MMF). Operating at a wavelength of 850nm VCSEL, it provides stable and efficient transmission up to 300 meters on OM3 fiber and 400 meters on OM4 fiber.
This module is widely deployed in modern data centers, enterprise networks, cloud computing environments, and high-performance server interconnect systems, where low latency and high bandwidth are critical.
Key Features
- Supports 10GBASE-SR 10Gbps Ethernet
- Transmission distance: 300m (OM3), 400m (OM4)
- 850nm VCSEL laser technology
- LC duplex optical interface
- Hot-swappable SFP+ form factor
- Low power consumption (~1W)
- Digital Diagnostic Monitoring (DDM/DOM) support
- Fully compliant with IEEE 802.3ae standard
- MSA compliant design for broad compatibility
Technical Specifications
| Parameter | Specification |
|---|
| Product Name | SFP-10G-SR |
| Form Factor | SFP+ |
| Data Rate | 10Gbps |
| Standard | 10GBASE-SR |
| Wavelength | 850nm |
| Fiber Type | Multimode Fiber (MMF) |
| Maximum Distance | 300m (OM3), 400m (OM4) |
| Connector | LC Duplex |
| Laser Type | VCSEL |
| Power Consumption | ~1.0W |
| Monitoring | DOM/DDM Supported |
| Operating Temperature | 0°C to 70°C |
Applications
The Cisco SFP-10G-SR module is ideal for:
- Data center spine-leaf architecture
- Enterprise core and aggregation networks
- Server-to-switch connectivity
- Cloud infrastructure and virtualization platforms
- Storage Area Networks (SAN)
- High-speed Ethernet switching environments
Compatibility
This SFP+ module is compatible with a wide range of Cisco networking devices, including:
- Cisco Catalyst series (2960-X, 3850, 4500, 9300, 9500)
- Cisco Nexus series switches
- Cisco ASR routers
- Any MSA-compliant SFP+ 10G port
⚠️ Some Cisco devices may require vendor-coded optics depending on firmware restrictions.
SFP-10G-SR vs Other Optical Solutions
SFP-10G-SR vs SFP-10G-LR
- SR: 850nm, MMF, up to 300–400m
- LR: 1310nm, SMF, up to 10km
- SR is ideal for short-distance data center connections
SFP-10G-SR vs 10G DAC Cable
- DAC: cost-effective but limited reach and flexibility
- SR: scalable structured cabling with fiber infrastructure
SFP-10G-SR vs SFP-10G-LRM
- SR: optimized for OM3/OM4 fiber
- LRM: legacy support, less common in modern deployments
Advantages
- High reliability for enterprise-grade networks
- Low latency compared to copper solutions
- Energy-efficient optical transmission
- Easy integration into existing fiber infrastructure
- Scalable for future 10G upgrades
- Stable performance in high-density environments
Quality Assurance
All modules are:
- 100% tested before shipment
- Fully compliant with IEEE networking standards
- Verified for optical performance stability
- Interoperability tested across major switch platforms
- Backed by strict quality control procedures
Warranty & Support
- Lifetime warranty (recommended aftermarket standard)
- Technical support for compatibility and installation
- Fast replacement service for defective units
- Multi-vendor interoperability assistance
FAQ
What is SFP-10G-SR used for?
It is used for 10Gbps short-range fiber connections in data centers and enterprise networks.
How far can SFP-10G-SR transmit?
It supports up to 300 meters on OM3 fiber and 400 meters on OM4 fiber.
Is SFP-10G-SR compatible with Cisco switches?
Yes, it is compatible with most Cisco SFP+ ports, though some devices may require Cisco-coded optics.
What fiber type is required?
It uses multimode fiber (MMF) with LC duplex connectors.
What is the difference between SR and LR modules?
SR is for short-range MMF (up to 400m), while LR is for long-range single-mode fiber (up to 10km).
Can I use SFP-10G-SR instead of DAC cables?
Yes, SR modules provide more flexible and scalable fiber deployment compared to DAC cables.
Does this module support DDM/DOM?
Yes, it supports real-time digital diagnostics for optical performance monitoring.


