• Silver-colored Arista OSFP-400G-ZR2 coherent tunable 400G OSFP DCO transceiver modules with blue plastic handles and metallic connectors
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Arista

Arista OSFP-400G-ZR2 | 400G OSFP DCO Transceiver, Coherent Tunable, 120km

OSFP-400G-ZR2

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Description

This 400G OSFP digital coherent optics (DCO) transceiver is designed for data centre interconnect over duplex single-mode fibre. It suits network teams that want to run DWDM links between sites directly from a switch or router port, without a separate transponder.

The module is a tunable 400GBASE-ZR coherent optic in the OSFP form factor, using a duplex LC connector over G.652 single-mode fibre. It is fully tunable across the C-band and reaches up to 120km when optical amplification is used, which is the coherent tunable and 120km characteristic that separates it from shorter-reach 400G optics.

For 120km links, it works with the Arista OSFP-AMP-ZR pluggable amplifier and the CAB-LC8-CS passive coupler-splitter, allowing multiple wavelengths to share a single fibre pair without an external line system. It is supported on specific Arista platforms only, so check platform compatibility before ordering.

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

Features

- OIF-400ZR compliant coherent optics
- 400G per wavelength using DP-16QAM at 60 Gbaud
- Fully tunable across the C-band on 100GHz or 75GHz grids
- Supports data centre interconnect over metro and long-haul DWDM links without separate transponders
- Works with the OSFP-AMP-ZR pluggable amplifier for 120km reach
- Works with the CAB-LC8-CS passive coupler-splitter for up to 3.2T per fibre pair with no external line system

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: OSFP
- Standard: 400GBASE-ZR digital coherent optics (DCO)
- Wavelength: tunable C-band DWDM
- Reach: up to 120km over duplex SMF with optical amplification
- Connector: duplex LC
- Fibre type: single-mode, G.652
- Tuning range: 191.300 THz to 196.100 THz
- Grid spacing: 100GHz or 75GHz

FAQs

Q: What is needed to reach 120km?
A: The 120km reach is achieved when optical amplification is used. Pair the module with the Arista OSFP-AMP-ZR pluggable amplifier and the CAB-LC8-CS passive coupler-splitter.

Q: Can this module carry multiple wavelengths on one fibre pair?
A: Yes. With the OSFP-AMP-ZR amplifier and CAB-LC8-CS coupler-splitter, multiple tunable wavelengths can share one fibre pair, up to 3.2T per pair over 120km with no external line system.

Q: Which platforms support this transceiver?
A: It is supported on specific Arista platforms only. Check the Arista Transceiver and Cable Guide for the supported platform and software list before ordering.

Q: What fibre and connector does it use?
A: It uses duplex LC connectors over G.652 single-mode fibre.

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