• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
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Arista

Arista QDD-400G-FR4-Arista | 400G QSFP-DD Transceiver, 400GBASE-FR4, 2km SMF, LC

QDD-400G-FR4-Arista

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Description

This Arista 400GBASE-FR4 QSFP-DD transceiver is a pluggable optical module for 400G data centre switch-to-switch links up to 2km over duplex single-mode fibre. It suits leaf-spine fabrics and inter-building or campus runs where multimode reach is not enough.

The module uses four 100G lanes on the CWDM grid at 1271, 1291, 1311 and 1331 nm, carried over a duplex LC connection on standard G.652 single-mode fibre. Transmit power is -3.3 to +3.5 dBm per lane and receive power is -7.3 to +3.5 dBm per lane. Maximum power consumption is 12W, drawn from the host switch port, and the operating case temperature range is 0 to 70 C.

It works with Arista switches that have 400G QSFP-DD ports and interoperates with other 400GBASE-FR4 optics. The module complies with the QSFP-DD MSA.

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

Features

- Interoperable with the 400GBASE-FR4 standard for up to 2km over single-mode fibre
- Duplex LC connectivity over standard duplex single-mode fibre
- QSFP-DD form factor for high-density 400G ports
- Four 100G lanes on the CWDM wavelength grid
- Complies with the QSFP-DD MSA
- Powered by the host switch port with no external supply

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
- Standard: 400GBASE-FR4
- Reach: up to 2km over duplex SMF (G.652)
- Wavelength: 1271, 1291, 1311, 1331 nm
- Connector: Duplex LC
- Cable type: SMF
- Tx power: -3.3 to +3.5 dBm per lane
- Rx power: -7.3 to +3.5 dBm per lane
- Maximum power consumption: 12W
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- MSA compliance: QSFP-DD MSA

FAQs

Q: What fibre does this transceiver need?
A: It runs over duplex single-mode fibre (G.652) with LC connectors, up to 2km.

Q: Which ports is it compatible with?
A: Arista switches with 400G QSFP-DD ports. It also interoperates with other 400GBASE-FR4 optics and complies with the QSFP-DD MSA.

Q: How much power does the module draw?
A: Up to 12W maximum, supplied by the host switch port. No external power supply is needed.

Q: Does this module need a licence?
A: No licence is required for the transceiver itself.

Q: Can it link to a 400GBASE-LR4 module?
A: No. FR4 and LR4 are different standards with different reach. Match both ends of a link to the same 400GBASE-FR4 standard.

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