Description
The AddOn Cisco® QSFP-100G-2DW31-S Compatible 100GBase-DWDM PAM4 QSFP28 Transceiver is a high-performance optical module designed for demanding metro, enterprise, and access network environments. Operating on the C-Band ITU-T Channel DW31 at a wavelength of 1552.52nm, it delivers reliable 100G throughput up to 80km over single-mode fiber (SMF) when used with EDFA and DCM. This hot-swappable, easy-to-install module supports digital optical monitoring (DOM) for real-time performance insights and is engineered to be fully interoperable with Cisco® systems. It complies with SFF-8665, offers superior ESD protection, and meets TAA, RoHS, and major regulatory standards — all backed by AddOn’s industry-leading quality assurance and limited lifetime warranty.
| Specification | Details |
|---|---|
| SKU | QSFP-100G-2DW31-S-AO |
| Compatibility | Cisco® QSFP-100G-2DW31-S |
| Form Factor | QSFP28 |
| Data Rate | 100GBase-DWDM PAM4 |
| Wavelength / Channel | 1552.52 nm (C-Band ITU Channel DW31, 100 GHz spacing) |
| Transmission Distance | Up to 80 km (with EDFA/DCM) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | Duplex LC |
| Digital Optical Monitoring (DOM) | Supported |
| Operating Temperature | 20 °C to 70 °C (Commercial) |
| Optical Transmit Power (per lane) | -11 dBm to -8 dBm |
| Receiver Sensitivity | -3 dBm to -2 dBm |
| Power Supply Voltage | 3.135 V – 3.465 V |
| Power Dissipation | ≤ 5 W |
| Extinction Ratio | ≥ 6 dB |
| Side-Mode Suppression Ratio (SMSR) | ≥ 30 dB |
| Regulatory Compliance | TAA, RoHS 2.0, FCC Part 15 Subpart B, EN55022:2010, FDA 21CFR, EN60950-1, IEC 60825-1/2 |
| Hot Pluggable | Yes |
| Applications | 100G Ethernet, Metro, Access, Enterprise Networks |
| Warranty | Limited Lifetime Warranty |
Payment & Security
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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
A decade of delivery — trusted by 275+ clients across industries
