• Silver-colored arista qdd-200g-2lr43 qsfp-dd transceiver modules with blue handles and metallic connectors for 200g lr4 use
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Arista

Arista QDD-200G-2LR43 | 200G QSFP-DD Transceiver, 2x 100GBASE-LR4, 10km, 2x CS SMF

Arista QDD-200G-2LR43 | 200G QSFP-DD Transceiver, 2x 100GBASE-LR4, 10km, 2x CS SMF

QDD-200G-2LR43

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Description

The Arista QDD-200G-2LR43 is a 200G QSFP-DD optical transceiver delivering dual 100GBASE-LR4 channels in a single compact module, purpose-built for high-density enterprise and data centre deployments. Supporting links up to 10km over two pairs of duplex single-mode fibre via 2x CS optical connectors, it enables disaggregated 100G connectivity without sacrificing port density on 200G/400G-capable switching platforms.

The module conforms to the IEEE 100GBASE-LR4 standard using four 25G NRZ lanes per channel across the 1295nm–1309nm wavelength range, and includes Digital Optical Monitoring (DOM) for real-time visibility into optical performance. Host QSFP-DD ports must be configured in 2x 100G mode to leverage the dual-channel architecture. Available now at iptrading.com.au — your local source for enterprise-grade networking solutions.

Features

- Dual 100G LR4 channels in a single QSFP-DD module — maximises port density for 200G deployments
- 2x CS duplex optical connectors support transmission over two pairs of duplex single-mode fibre
- Up to 10km reach per channel in compliance with the IEEE 100GBASE-LR4 standard
- QSFP-DD form factor compatible with 200G and 400G-capable Arista switch platforms
- Digital Optical Monitoring (DOM) provides real-time visibility into optical health and performance
- MSA-compliant QSFP-DD design ensures interoperability across supported platforms
- Enables breakout and disaggregated 100G connectivity use cases in high-density environments

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

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

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Form Factor: QSFP-DD
- Aggregate Data Rate: 200G (2 x 100GBASE-LR4)
- Optical Connector: 2x CS (duplex)
- Fibre Type: Single-Mode Fibre (SMF), two pairs of duplex
- Maximum Reach: Up to 10km
- Wavelength: 1295nm – 1309nm (4 x 25G NRZ lanes per channel)
- Operating Temperature: 0°C to 70°C (Commercial)
- Host Port Requirement: QSFP-DD configured as 2x 100G
- Digital Optical Monitoring (DOM): Supported
- Standards Compliance: IEEE 100GBASE-LR4, MSA-compliant QSFP-DD

FAQs

Q: What host port configuration is required for the QDD-200G-2LR43?
A: The host QSFP-DD port must be configured in 2x 100G mode to utilise both LR4 channels. This allows the module to deliver two independent 100G connections from a single physical port.

Q: What optical connectors does the QDD-200G-2LR43 use?
A: It uses 2x CS (duplex) optical connectors, requiring two pairs of duplex single-mode fibre — one pair per 100GBASE-LR4 channel.

Q: What is the maximum reach of this transceiver?
A: The QDD-200G-2LR43 supports links up to 10km over single-mode fibre, in accordance with the IEEE 100GBASE-LR4 standard.

Q: Does this module support Digital Optical Monitoring (DOM)?
A: Yes, DOM is supported, allowing network operators to monitor real-time optical parameters such as transmit/receive power, temperature, and voltage directly from the switch management plane.

Q: Which Arista switch platforms are compatible with this transceiver?
A: The QDD-200G-2LR43 is designed for Arista switches with QSFP-DD ports capable of operating in 2x 100G mode, typically found in 400G-capable platforms such as the Arista 7050X4 and 7060X4 series. Always verify compatibility with your specific platform and EOS version.

Q: Can I purchase the Arista QDD-200G-2LR43 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is a local Australian B2B supplier of Arista networking hardware including optics and transceivers. Contact our team for pricing, availability, and volume quotes.

Datasheet

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