• Silver arista qdd-200g-2lr43 200g qsfp-dd transceiver modules with blue handles and metallic connectors for 10km smf use
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Arista

Arista QDD-200G-2LR43 | 200G QSFP-DD Transceiver, 2x100G-LR4, 10km SMF, Dual CS

QDD-200G-2LR43

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Description

The Arista QDD-200G-2LR43 is a hot-pluggable QSFP-DD optical transceiver designed for high-speed 200 Gigabit Ethernet applications in data center and enterprise networks. Featuring 2x 100GBASE-LR4 architecture with dual CS optical connectors, this module enables flexible 200G connectivity or 2x 100G breakout over single-mode fiber up to 10km. Ideal for spine-leaf architectures, data center interconnect, and bandwidth-intensive applications requiring long-reach optical performance.

Features

2x 100GBASE-LR4 architecture supporting 200G aggregate or 2x 100G breakout
- CWDM optical technology using four wavelengths (1295nm-1309nm) per 100G link
- Up to 10km transmission distance over standard single-mode fiber
- Dual CS optical connectors for flexible fiber connectivity
- Hot-pluggable QSFP-DD form factor with industry-standard MSA compliance
- Digital Optical Monitoring (DOM) for real-time module diagnostics
- Commercial temperature range operation (0°C to 70°C)
- Low power consumption design optimized for high-density deployments
- Forward Error Correction (FEC) support performed on host platform
- Optical interoperability with IEEE 100GBASE-LR4 standard modules
- Enables 100G-to-200G infrastructure upgrades without fiber plant changes
- Compatible with Arista QSFP-DD platforms when configured for 2x 100G operation
- High-reliability design for mission-critical data center applications
- Supports point-to-point single-mode fiber links up to 10km

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 (Quad Small Form-factor Pluggable Double Density)
- Data Rate: 200 Gbps aggregate (2x 100G)
- Optical Interface: 2x 100GBASE-LR4
- Connector Type: 2x CS (duplex single-mode fiber)
- Wavelength: 1295nm to 1309nm CWDM (Coarse Wavelength Division Multiplexing)
- Fiber Type: Single-Mode Fiber (SMF)
- Maximum Link Distance: Up to 10 km over SMF
- Port Configuration: Requires QSFP-DD port configured as 2x 100G
- Operating Temperature: 0°C to 70°C (commercial temperature range)
- Power Consumption: <6W (typical for QSFP-DD optics)
- Digital Optical Monitoring (DOM): Supported
- Compliance: IEEE 802.3, MSA QSFP-DD specifications
- Hot-Pluggable: Yes

FAQs

Q: Can this transceiver operate at 100G speeds?
A: Yes, the QDD-200G-2LR43 supports 2x 100GBASE-LR4 breakout when the QSFP-DD port is configured for 2x 100G operation, providing two independent 100G links over separate fiber pairs.

Q: What type of fiber cabling is required?
A: This module requires two duplex CS single-mode fiber patch cables (four fiber strands total). Each CS connector supports one 100GBASE-LR4 link using CWDM technology over single-mode fiber.

Q: Is this transceiver compatible with other vendor equipment?
A: While specifically designed for Arista platforms, the QDD-200G-2LR43 follows MSA QSFP-DD and IEEE 100GBASE-LR4 standards, enabling optical interoperability with compliant third-party 100G-LR4 modules at the 100G breakout level. Verify platform compatibility before deployment.

Q: What are typical applications for this transceiver?
A: Common use cases include data center spine-leaf interconnects requiring 10km reach, campus network aggregation links, data center interconnect (DCI) applications, and bandwidth upgrades from 100G to 200G infrastructure over existing single-mode fiber plants.

Q: Does this module support hot-swapping?
A: Yes, the QDD-200G-2LR43 is hot-pluggable, allowing installation and removal without powering down the host system. The module includes Digital Optical Monitoring for real-time diagnostics of optical power, temperature, voltage, and other performance parameters.

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