Description
The Cisco QSFP-4X10G-LR-S= is a high-performance 40 Gigabit QSFP optical transceiver designed for long-reach connectivity over single-mode fiber (SMF). Supporting link distances of up to 10 kilometers, this module is ideal for data centers, enterprise core networks, and service provider environments requiring reliable high-bandwidth uplinks.
This transceiver enables both native 40G connectivity and breakout operation into 4x10GBASE-LR interfaces, providing flexible deployment options. Featuring an MPO/MTP connector, hot-swappable design, and Cisco-tested interoperability, it delivers dependable performance with low power consumption.
| Specification | Details |
|---|---|
| Brand | Cisco |
| SKU | QSFP-4X10G-LR-S= |
| Product Type | QSFP Optical Transceiver Module |
| Form Factor | QSFP (Quad Small Form-Factor Pluggable) |
| Standard Supported | 4x10GBASE-LR |
| Connector Type | MPO/MTP Multifiber Female |
| Fiber Type | Single-Mode Fiber (SMF), G.652 |
| Maximum Distance Supported | Up to 10 km |
| Wavelength | 1310 nm |
| Breakout Support | Yes – Supports 4x10G mode |
| Application | Data Center, Enterprise Core, Service Provider Networks |
| Hot-Swappable | Yes |
| Power Consumption | Approx. 3.5 W |
| Operating Temperature Range | 0°C to 70°C |
| Compatibility | Cisco QSFP-enabled switches and routers |
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
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