• Silver-colored arista qdd-800g-2plr4 sfp plus transceiver modules with blue handles and metallic connectors for 10km single-mode use
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Arista

Arista QDD-800G-2PLR4 | 800G QSFP-DD Transceiver, Single-Mode, 10km, 2x MPO-12

QDD-800G-2PLR4

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Description

The Arista QDD-800G-2PLR4 is an 800 Gigabit QSFP-DD optical transceiver designed for high-performance data center and enterprise applications. Supporting 8x 100GBASE-LR or 2x 800G-PLR4 operation, it delivers up to 10km transmission over parallel single-mode fiber via dual MPO-12 APC connectors. This module features 8x 106.25Gbps PAM4 modulation, digital diagnostics monitoring, and broad compatibility with Arista 800G switching platforms.

Features

800GBASE Ethernet support with 8x 106.25Gbps PAM4 electrical lanes
- Dual MPO-12 APC parallel fiber connectors for high-density installations
- 10km reach over parallel single-mode fiber
- Supports 8x 100GBASE-LR or 2x 800G-PLR4 breakout configurations
- Hot-pluggable QSFP-DD form factor for easy deployment
- Digital Diagnostics Monitoring (DDM/DOM) for real-time performance monitoring
- Low latency optical transmission for latency-sensitive applications
- CMIS interface for advanced module management and configuration
- Compatible with 400G platforms when configured for 4x 200G breakout
- 1310nm wavelength operation optimized for single-mode fiber
- MSA compliant design ensures multi-vendor interoperability
- Commercial temperature range operation (0°C to 70°C)
- Forward Error Correction (FEC) support for enhanced signal integrity

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Form Factor: QSFP-DD (Double Density)
- Data Rate: 800 Gigabit Ethernet (8x 100Gbps)
- Wavelength: 1310nm
- Maximum Distance: 10km over parallel single-mode fiber (SMF)
- Connector Type: Dual MPO-12 APC
- Modulation: 8x 106.25Gbps PAM4 (Pulse Amplitude Modulation 4-level)
- Operating Temperature: Commercial (0°C to 70°C)
- Power Consumption: 16W typical
- DOM/DDM: Digital Optical Monitoring supported
- Standards Compliance: MSA (Multi-Source Agreement), QSFP-DD MSA, IEEE 802.3ck
- Interface: CMIS (Common Management Interface Specification)
- Interoperability: Optical interoperability with 8x 100GBASE-LR and 2x 400G-PLR4

FAQs

Q: What is the difference between 800G-2PLR4 and 800G-2FR4 transceivers?
A: The QDD-800G-2PLR4 supports up to 10km transmission over parallel single-mode fiber using dual MPO-12 connectors, while the 800G-2FR4 supports up to 2km over duplex SMF using dual duplex LC connectors. The 2PLR4 is ideal for longer-reach data center interconnects.

Q: Can I use this transceiver in a 400G port?
A: Yes, 800G QSFP-DD transceivers can be used in 400G QSFP-DD ports with breakout configurations, supporting 4x 200G services. However, ensure your 400G platform can handle the higher power consumption (16W) of 800G modules.

Q: Is the QDD-800G-2PLR4 backward compatible with 100G or 400G optics?
A: The module supports optical interoperability with 8x 100GBASE-LR connections and 2x 400G-PLR4 configurations, allowing flexible deployment in mixed-speed environments when used with appropriate breakout cables or switch configurations.

Q: What platforms support this transceiver?
A: This transceiver is designed for Arista 800G switching platforms with QSFP-DD ports. Refer to Arista's Transceiver and Cable Guide for a complete list of compatible switches and routers that support 800G QSFP-DD modules.

Q: Does this module include digital diagnostics?
A: Yes, the QDD-800G-2PLR4 includes DDM/DOM (Digital Diagnostics Monitoring/Digital Optical Monitoring) support, providing real-time monitoring of parameters including temperature, voltage, laser bias current, transmit and receive optical power.

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