Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco SFP-10G-LR-X is a high-performance 10GBASE-LR SFP+ optical transceiver module designed for long-reach single-mode fiber (SMF) deployments. Operating at a wavelength of 1310nm with a reach of up to 10km, this transceiver delivers reliable, low-latency 10 Gigabit Ethernet connectivity for enterprise data centers, campus backbones, and service provider networks.
This unit is offered in Refurbished condition — fully tested, inspected, and restored to factory specifications by WhaleyComm's certified technical team. Every component is verified for signal integrity, optical power levels, and full Cisco compatibility before it ships. You get enterprise-grade performance at a fraction of the new cost.
Technical Specifications
Manufacturer Part Number (MPN)
SFP-10G-LR-X
Data Rate
10 Gbps (10GBASE-LR)
Max Reach
Up to 10km over Single-Mode Fiber (SMF)
Compatibility
Cisco switches, routers, and line cards supporting SFP+ 10G slots
Ideal Use Cases
Ideal Use Cases
Enterprise data center interconnects
Ideal Use Cases
Campus and building backbone fiber runs
Ideal Use Cases
Service provider edge and aggregation layers
Ideal Use Cases
Network upgrades and infrastructure expansions
Ideal Use Cases
Lab, test, and development environments
What's Included
✔ Cisco SFP-10G-LR-X Refurbished Optical Transceiver (1x)
✔ Protective dust caps installed
✔ WhaleyComm ISO 9001-certified inspection certificate
✔ WhaleyComm Lifetime Warranty
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. No time limits, no expiration, no hidden conditions. Backed by 25 years and 5,000+ satisfied customers.
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Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
Platform Compatibility
✓
Cisco Switches: Catalyst 3750X, 3850, 4500, 6500, 6800, 9300, 9400, 9500 and Nexus 3000, 5000, 7000, 9000 Series with matching optical slots
✓
Cisco Routers: ASR 1000, ISR 4000 Series
Note Verify compatibility with target IOS/NX-OS release before deployment
