• 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 QSFP-100G-CWDM4-Arista | 100G QSFP28 Transceiver, CWDM4, 2km, Duplex SMF LC

QSFP-100G-CWDM4-Arista

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Description

This Arista 100GBASE-CWDM4 transceiver is a QSFP28 optic for 100G links over duplex single-mode fibre with LC connectors. It suits data centre switch-to-switch connections up to 2km, and it can also support a staged move from 40G to 100G because it operates in both 40G and 100G modes.

The optic reaches up to 2km using four CWDM wavelengths between 1270nm and 1330nm, carried over a standard duplex single-mode pair, so no parallel fibre plant is required. It interoperates with 100GBASE-LR4 optics up to 2km, which allows it to link with an LR4 optic at the far end of a 2km span.

It is intended for Arista QSFP28 100G ports. Check the minimum EOS version for your platform in the Arista Transceiver Guide before deployment.

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

Features

- Dual-rate operation in 40G and 100G modes, which avoids replacing optics when upgrading from 40G to 100G
- Runs over duplex single-mode fibre, with no parallel fibre required
- Interoperates with 100GBASE-LR4 optics up to 2km
- Four CWDM wavelengths from 1270nm to 1330nm

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

- Standard: 100GBASE-CWDM4
- Form factor: QSFP28
- Maximum reach: 2km over single-mode fibre
- Connector: Duplex LC
- Wavelength range: 1270nm to 1330nm (CWDM, 4 lanes)
- Optical interoperability: 100GBASE-LR4 up to 2km
- Speed modes: 100G and 40G (dual-rate)

FAQs

Q: Can it link to a 100GBASE-LR4 optic?
A: Yes. It interoperates with 100GBASE-LR4 optics up to 2km over duplex single-mode fibre.

Q: What fibre does it need?
A: It uses standard duplex single-mode fibre with LC connectors, with a maximum reach of 2km. No parallel fibre is required.

Q: Does it support 40G as well as 100G?
A: Yes. It is a dual-rate optic that works in both 40G and 100G modes, which helps when migrating from 40G to 100G.

Q: Which ports is it designed for?
A: It is a QSFP28 optic intended for Arista 100G QSFP28 ports. Confirm the minimum EOS version for your switch in the Arista Transceiver Guide.

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