Cisco SFP-10G-SR-X Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco 10GBASE-SR Extended Temperature SFP+ Multimode Optical Transceiver Module with Digital Optical Monitoring Support
SKU:SFP-10G-SR-X
Naming Breakdown
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SFP+: Enhanced Small Form-Factor Pluggable Plus hot-swappable transceiver form factor
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10G: 10 Gigabit Ethernet line rate
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SR: Short Reach; 850 nm VCSEL multimode fiber operation
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X: Extended temperature grade (-5°C ~ +85°C)
Core Product Positioning
The Cisco SFP-10G-SR-X is a hot‑swappable extended-temperature multirate SFP+ transceiver compliant with IEEE 802.3ae 10GBASE-SR. It supports 10GBASE-SR, 10GBASE-SW and OTU2/OTU2e data rates, delivering wire-speed 10-Gigabit Ethernet transmission over multimode fiber. Designed for environments without strict temperature control, the extended temperature specification suits equipment cabinets with marginal thermal conditions. Integrated DOM/DDM enables real-time optical parameter monitoring. This module supports FCoE for unified data and storage networking.
2. Hardware & Software Compatibility
Supported Host Platforms
Cisco Catalyst 3650, 3850, 4500-X, 6500, 6800, 9200, 9300 Series; Nexus 2000, 3000, 5000, 9000 Series Switches; ASR 1000, ASR 900 Series Routers; UCS Fabric Interconnects; MDS 9000 Storage Switches and Firepower appliances equipped with SFP+ ports.
Supported IOS / IOS XE / NX-OS Versions
All mainstream Cisco operating system releases supporting SFP+ MSA specification and SFF‑8472 DOM diagnostic functions.
Supported Fiber Type
Multimode Fiber (MMF) only (OM1, OM2, OM3, OM4); incompatible with single-mode fiber.
Unsupported Platforms
SFP-only Gigabit slots without SFP+ capability, QSFP ports without adapter, legacy GBIC interfaces.
3. Physical & Optical Performance Specifications
Form Factor
Hot‑swappable SFP+, compliant with SFF‑8431, SFF‑8432 & SFF‑8472 (DOM support)
Optical Interface
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Transmitter: 850 nm VCSEL Laser
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Connector: Duplex LC
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Data Rate: 9.95 Gbps ~ 10.5 Gbps (Multirate: 10GBASE-SR, 10GBASE-SW, OTU2/OTU2e)
Maximum Transmission Reach
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OM1 (62.5μm FDDI-grade MMF): Up to 26 m
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OM2 (50μm MMF): Up to 82 m
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OM3 laser-optimized MMF: Up to 300 m
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OM4 laser-optimized MMF: Up to 400 m
Optical Power Budget
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Transmit Optical Power: -6.5 dBm ~ -1 dBm
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Receiver Sensitivity: Minimum -12.4 dBm
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Maximum Allowable Received Power: 0.5 dBm
Digital Diagnostics
DOM / DDM (Digital Diagnostic Monitoring) Supported
Monitors module internal temperature, supply voltage, laser bias current, transmit optical power and receive optical power.
Environmental Operating Parameters (Extended Temperature Grade)
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Operating Temperature:-5°C ~ +85°C (23°F ~ 185°F)
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Storage Temperature: -40°C ~ +85°C (-40°F ~ 185°F)
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Relative Humidity: 5% – 95%, non‑condensing
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Maximum operating altitude: 3,000 meters
Typical Power Consumption
4. Supported Functional Capabilities
Ethernet Transport
Wire-speed 10 Gigabit Ethernet full-duplex transmission, 64b/66b line coding
Layer 2 Protocol Support
802.1Q VLAN trunking, 802.3x pause frame flow control, LACP, STP/RSTP/MSTP, EtherChannel link aggregation
Additional Supported Protocols
10GBASE-SW, OTU2/OTU2e, Fibre Channel over Ethernet (FCoE)
Interface Diagnostics
Link status detection, error counters, DOM real-time optical telemetry, local loopback testing
High Availability
OIR online insertion and removal on supported chassis; link redundancy via spanning tree or port channels
Operations & Management
IOS / NX-OS CLI, SSH, SNMP v2c/v3, Syslog logging, DOM optical parameter polling
5. Typical Deployment Scenarios
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Data center top-of-rack (ToR) and end-of-row (EoR short-range switch interconnections
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Rack-to-rack, intra-cabinet 10G fiber links in poorly ventilated equipment rooms
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Enterprise campus building interconnections within 400 meters
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Converged storage networking with FCoE deployments
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Server virtualization uplinks to aggregation switches
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Spare replacement transceiver for Cisco enterprise and data center switching/routing platforms
6. Regulatory & Compliance Certifications
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Safety Standards: UL 60950‑1, IEC/EN 60950‑1, CSA C22.2 No.60950‑1
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EMC Compliance: CE Mark, FCC Part 15 Class A, ICES‑003 Class A
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Laser Safety: Class 1 Laser Product per IEC 60825‑1
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Industry Standards: IEEE 802.3ae, SFP+ MSA SFF‑8431, SFF‑8472
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Environmental: RoHS compliant, WEEE directive compliant
7. Standard Factory Package Contents
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Cisco SFP-10G-SR-X 10GBASE‑SR Extended Temperature SFP+ Optical Transceiver
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Hardware installation guide
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Safety and regulatory documentation
Note: Duplex LC multimode fiber patch cables are sold separately.
End-of-Sale Status
Cisco SFP-10G-SR-X remains active and available for new orders.
Model Comparison Reference
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SFP-10G-SR: Commercial grade, 0°C ~ +70°C
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SFP-10G-SR-S: S-Class variant, commercial temperature, no FCoE support
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SFP-10G-SR-X: Extended temperature grade, -5°C ~ +85°C, multirate with FCoE support
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SFP-10G-SR-I: Industrial grade, -40°C ~ +85°C
UNSPSC Classification Code
43222618 – Cisco SFP-10G-SR-X 10GBASE-SR extended-temperature multimode SFP+ transceiver with DOM, hot‑swappable multirate 10 Gigabit optical module for Cisco enterprise and data center switches and routers.
Hardware Warranty
Original Cisco units carry Cisco limited hardware warranty; refurbished units follow reseller warranty terms.
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