• Silver-colored arista qdd-400g-zr2 sfp+ transceiver modules with blue handles for 400g coherent tunable 120km smf
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Arista

Arista QDD-400G-ZR2 | 400G QSFP-DD ZR/OpenZR+ Transceiver, -10dBm, 120km

QDD-400G-ZR2

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Description

The QDD-400G-ZR2 is a QSFP-DD digital coherent tunable transceiver from Arista's 400G optics range. It carries 400GbE over a single wavelength on duplex single-mode fibre and supports both 400GBASE-ZR and OpenZR+ operation. It is built for data centre interconnect over DWDM links, including amplified point-to-point and multi-channel pluggable line system deployments.

The module reaches up to 120km over duplex SMF with optical amplification, with a transmit power above -10 dBm and a receive range of -16 to 0 dBm. It is tunable across the C-band from 1528.77 to 1566.52 nm and uses a duplex LC connector. Operating case temperature is 0 to 70 C.

This module works with Arista pluggable amplifier modules such as OSFP-AMP-ZR and QSFP-AMP-ZR, and with the CAB-LC8-CS 8-channel optical coupler for amplified DCI links. It is supported on specific Arista platforms only, so check the Arista Transceiver and Cable Guide for your switch. It is not interoperable with the higher-power QDD-400G-ZRP2 unless the link budget is matched.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Digital coherent optics pluggable carrying 400Gb/s over a single optical wavelength
- Fully tunable across the C-band at 75GHz or 100GHz grid spacing
- Supports 400ZR and OpenZR+ operation
- Full digital optical monitoring (DOM)
- Designed for use with Arista pluggable amplifier modules and passive colourless mux/demux for DCI
- Native EOS configuration and telemetry

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

- PHY type: 400GBASE-ZR, OpenZR+ capable, -10dBm
- Form factor: QSFP-DD
- Connector: Duplex LC
- Cable type: SMF G.652
- Wavelength: 1528.77 to 1566.52 nm, tunable
- Tx power: greater than -10 dBm
- Rx power: -16 to 0 dBm
- Maximum reach: 120km over duplex SMF with optical amplification
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 10,000 ft
- Dimensions (QSFP-DD Type 2, H x W x D): 13.5 x 18.4 x 93.3 mm

FAQs

Q: What is the maximum reach of the QDD-400G-ZR2?
A: It reaches up to 120km over duplex single-mode fibre when used with optical amplification.

Q: Does it support both 400ZR and OpenZR+?
A: Yes. The module supports 400GBASE-ZR and OpenZR+ operation with a nominal -10dBm transmit power.

Q: What amplification does it work with?
A: It is designed for use with Arista OSFP-AMP-ZR and QSFP-AMP-ZR pluggable amplifier modules and the CAB-LC8-CS 8-channel optical coupler for amplified DCI links.

Q: Can it link to the QDD-400G-ZRP2?
A: Not directly. The QDD-400G-ZR2 is not interoperable with the higher-power QDD-400G-ZRP2 (greater than 0dBm) unless the link budget is matched.

Q: Which Arista platforms support it?
A: It is supported on specific Arista platforms only. Check Arista's Transceiver and Cable Guide to confirm your switch model.

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