Description
The AddOn Cisco® QSFP-4X10G-LR-S-25 compatible QSFP+ transceiver delivers reliable 40GBase-PLR4 connectivity up to 25km over single-mode fiber (SMF) using a 1310nm wavelength and MPO connector. Designed for access and enterprise networks, this hot-swappable module ensures seamless integration and identical performance to OEM hardware. It supports Digital Optical Monitoring (DOM) for real-time diagnostics, features robust ESD protection, and complies with SFF-8436 and TAA standards. RoHS compliant and lead-free, this transceiver offers high reliability, low EMI, and is backed by AddOn’s industry-leading testing and lifetime warranty.
| Specification | Details |
|---|---|
| Compatible OEM | Cisco® |
| Part Number | QSFP-4X10G-LR-S-25-AO |
| Form Factor | QSFP+ |
| Data Rate | 40GBase-PLR4 |
| Wavelength | 1310nm |
| Maximum Distance | 25km |
| Connector Type | MPO |
| Fiber Type | Single-Mode Fiber (SMF) |
| Digital Diagnostics (DOM) | Supported |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Compliance Standards | SFF-8436, TAA, RoHS |
| Hot Swappable | Yes |
| ESD Protection | Excellent |
| EMI Performance | Low EMI Metal Housing |
| Launch Optical Power (per lane) | -3 to +1.5 dBm |
| Receiver Sensitivity (OMA) | -12.6 dBm |
| Extinction Ratio | ≥ 3.5 dB |
| Power Dissipation | 3.5 W |
| Supply Voltage | 3.135V – 3.465V |
| Applications | Access & Enterprise Networks |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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
A decade of delivery — trusted by 275+ clients across industries
