Description
The AddOn Arista Networks® Compatible TAA 100GBase-BX LR1 PAM4 QSFP28 Transceiver (SKU: Q28-100GP4-BXD3129-20-AR-AO) delivers high-performance 100Gbps connectivity over single-mode fiber (SMF) up to 20km using a bidirectional LC connector. Operating on a 1311nm transmit and 1291nm receive wavelength, this hot-swappable transceiver is fully compliant with QSFP28 MSA and SFF-8636 Rev 2.10a standards. Designed for data center and 100G Ethernet applications, it supports a 4x25G electrical interface compliant with OIF CEI-28G-VSR, ensuring reliable, high-speed performance.
Each unit is uniquely serialized, programmed, and rigorously tested for seamless integration and full interoperability with Arista Networks® systems. Digital Optical Monitoring (DOM) provides real-time insight into key operating parameters, while its TAA compliance ensures suitability for government and enterprise deployments. With a single 3.3V power supply, commercial-temperature operation, and RoHS-compliant construction, this transceiver combines performance, reliability, and sustainability — backed by AddOn’s limited lifetime warranty.
| Specification | Description |
|---|---|
| Compatible OEM | Arista Networks® |
| Part Number | Q28-100GP4-BXD3129-20-AR-AO |
| Form Factor | QSFP28 |
| Data Rate | 100Gbps |
| Transmission Distance | Up to 20km |
| Wavelength (Tx/Rx) | 1311nm / 1291nm |
| Connector Type | LC Duplex (BiDi) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Modulation Format | PAM4 |
| Electrical Interface | 4x25G OIF CEI-28G-VSR |
| Power Supply Voltage | 3.3V |
| Power Dissipation | ≤ 4.5W |
| Operating Temperature | 0°C to 70°C |
| Digital Optical Monitoring (DOM) | Supported |
| Hot Swappable | Yes |
| Compliance | QSFP28 MSA, SFF-8636 Rev 2.10a, RoHS, TAA |
| Applications | Data Center, 100G Ethernet |
| 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.
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