Description
The AddOn Cisco® QSFP-100G-LR4-S-4WDM-20-I compatible QSFP28 transceiver delivers reliable 100GBase-4WDM-20 throughput for data networking and optical applications. Supporting distances up to 20km over single-mode fiber (SMF), it operates on wavelengths between 1295nm and 1309nm through an LC connector.
Engineered for demanding environments, this transceiver functions in extended industrial temperature ranges (-40°C to 85°C) and features Digital Optical Monitoring (DOM) for real-time performance tracking. Built to meet or exceed OEM standards, it guarantees 100% compatibility with Cisco equipment.
Hot-swappable, TAA compliant, and backed by a limited lifetime warranty, this AddOn module ensures seamless integration, high reliability, and long-term investment protection.
| Category | Details |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | QSFP100GLR44DM20I-AO |
| Product Type | QSFP28 Transceiver |
| Application/Usage | Data Networking, Optical Network |
| Connector Type | LC |
| Ethernet Technology | 100 Gigabit Ethernet |
| Network Technology | 100GBase-4WDM-20 |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Wavelength Range | 1295 nm – 1309 nm |
| Maximum Distance Supported | 20 km |
| Maximum Data Transfer Rate | 100 Gbit/s |
| Features | Digital Optical Monitoring (DOM), Hot-swappable |
| Operating Temperature | -40°C to 85°C (-40°F to 185°F) |
| Form Factor | QSFP28, Hot-swappable |
| Dimensions (H x W x D) | 0.4" x 0.8" x 4.9" |
| Weight | ~0.20 lb |
| Compliance | TAA Compliant, RoHS, WEEE, MSA Standard |
| Packaged Quantity | 1 |
| Warranty | Limited Lifetime |
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
