• 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 OSFP-400G-ZR-Arista | 400ZR OSFP Coherent DWDM Transceiver, 120km SMF

OSFP-400G-ZR-Arista

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Description

The OSFP-400G-ZR is a 400GBASE-ZR coherent DWDM transceiver in the OSFP form factor, built to the OIF-400ZR standard. It carries 400GbE on a single wavelength and lets a 400G switch or router port deliver IP-over-DWDM directly, without a separate transponder. It suits Data Center Interconnect over 40km to 120km point-to-point links on duplex single-mode fibre, and belongs to the Arista 400ZR DCI solution.

The module uses coherent DP-16QAM at 59.84375 Gbaud with C-FEC and a duplex LC optical connector. It is fully software-tunable across the C-band from 191.300 to 196.100 THz on 100GHz and 75GHz grids. Transmit power is better than -10 dBm, receive input range is -16 dBm to 0 dBm, and span loss can run from 2 dB to 25 dB. Power draw is 16 W typical and 20 W maximum, with a maximum case temperature of 75 C. It is the OSFP counterpart to the QSFP-DD based QDD-400G-ZR.

It fits Arista OSFP 400G ports on platforms that support 400G-ZR. For a 120km amplified link, pair it with the OSFP-AMP-ZR or QSFP-AMP-ZR pluggable amplifier and the CAB-LC8-CS 8-channel passive coupler-splitter. It is managed through Arista EOS and CloudVision.

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

Features

- OIF-400ZR compliant for industry-wide interoperability
- IP-over-DWDM directly from a 400G switch or router OSFP port, removing the need for dedicated DWDM transport hardware
- Fully software-tunable across the C-band at 75GHz or 100GHz grid spacing
- Up to 3.2T per fibre pair (8x 400ZR waves) over 120km of SMF using Arista's pluggable amplifier and passive coupler-splitter
- Native EOS configuration and telemetry, including DOM, pre/post-FEC BER, OSNR, chromatic dispersion, PMD and DGD
- CloudVision and EOS management for provisioning and monitoring

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: OIF-400ZR (400GBASE-ZR)
- Modulation: Coherent DP-16QAM, 59.84375 Gbaud (400G per wavelength)
- Reach: up to 120km amplified over duplex SMF
- Tunable channel range: 191.300 to 196.100 THz (C-band)
- Channel grid: 100GHz and 75GHz
- Optical connector: Duplex LC
- Forward error correction: C-FEC
- Pre-FEC BER threshold: 1.0E-02
- Tx output power: greater than -10 dBm
- Min Tx OSNR: 45 dB
- Rx input power: -16 dBm to 0 dBm
- Min Rx OSNR: greater than 26 dB
- Span loss: 2 dB min, 25 dB max
- Max chromatic dispersion: 2400 ps/nm
- Power consumption: 16 W typical, 20 W max
- Max case temperature: 75 C
- Dimensions (H x W x D): 13.0 x 22.6 x 100.4 mm
- Pull tab colour: White

FAQs

Q: Does this transceiver need a separate licence?
A: No separate licence is identified for this module. It is configured and monitored natively through Arista EOS and CloudVision.

Q: How much power does it draw and what temperature can it run at?
A: It draws 16 W typical and 20 W maximum from the host OSFP port. The maximum case temperature is 75 C.

Q: What do I need to reach 120km?
A: For a 120km point-to-point link, pair the modules with the OSFP-AMP-ZR or QSFP-AMP-ZR pluggable amplifier and the CAB-LC8-CS 8-channel passive coupler-splitter. The CAB-LC-CS-0.2M converts CS connectors to LC.

Q: Which ports does it work in?
A: It fits Arista OSFP 400G ports on platforms that support 400G-ZR. Support is platform-specific, so check Arista's Transceiver and Cable Guide for your switch.

Q: How does it differ from the QDD-400G-ZR?
A: The OSFP-400G-ZR is the OSFP form factor version of the 400ZR optic. The QDD-400G-ZR is the QSFP-DD equivalent, and the QDD-400G-ZRP is the OpenZR+ 400ZR+ variant.

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