• 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-PLR4-S-Arista | 400G QSFP-DD PLR4 Transceiver, SN, 10km

QDD-400G-PLR4-S-Arista

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Description

This 400G QSFP-DD transceiver is built for data centre and campus links of up to 10km over parallel single-mode fibre. It is a 400GBASE-PLR4 module that interoperates optically with 4 x 100GBASE-LR, which makes it suited to 400G switch uplinks and to breakout deployments toward 100G LR ports.

The -S variant terminates in SN optical connectors rather than the MPO-12 APC connector used on the non-S QDD-400G-PLR4, so confirm your patching matches before ordering. Each of the four lanes runs at 1310nm over G.652 single-mode fibre, with a transmit power of -1.4 to +4.0 dBm and a receive power range of -7.7 to +4.5 dBm per lane. Maximum power consumption is 12W, drawn from the host QSFP-DD port.

The module is hot swappable and fits QSFP-DD ports. It is part of Arista's 400GE optics range, and the Arista Transceiver and Cable Guide lists the supported platforms.

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

Features

- Hot swappable to maximise uptime and simplify serviceability
- Optical interoperability with 4 x 100GBASE-LR up to 10km
- Supports breakout-style deployments to 100G LR over parallel single-mode fibre
- SN optical connectors for the -S variant
- Part of Arista's 400GE optics range in OSFP and QSFP-DD form factors

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
- PHY type: 400GBASE-PLR4
- Optical interoperability: 4 x 100GBASE-LR
- Reach: Up to 10km over parallel single-mode fibre
- Wavelength: 1310 nm
- Cable type: SMF G.652
- Connector: SN optical connectors
- Tx power: -1.4 to +4.0 dBm per lane
- Rx power: -7.7 to +4.5 dBm per lane
- Maximum power consumption: 12W
- Dimensions (H x W x D), QSFP-DD Type 1: 13.5 x 18.4 x 78.3 mm
- Dimensions (H x W x D), QSFP-DD Type 2: 13.5 x 18.4 x 93.3 mm
- 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

FAQs

Q: What connector does the -S variant use?
A: The -S variant uses SN optical connectors. The non-S QDD-400G-PLR4 uses MPO-12 APC, so check your patch cabling before ordering.

Q: How much power does this module draw?
A: It draws a maximum of 12W, supplied by the host QSFP-DD port.

Q: Can it link to 100G LR ports?
A: Yes. It interoperates optically with 4 x 100GBASE-LR up to 10km over parallel single-mode fibre, so it suits breakout-style deployments.

Q: What switch ports does it fit?
A: It fits QSFP-DD ports. Arista's Transceiver and Cable Guide lists the supported platforms.

Q: What fibre type and distance does it support?
A: It runs at 1310nm over G.652 single-mode fibre for up to 10km.

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