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Arista

Arista OSFP-400G-FR4 | 400G OSFP | 400GBASE-FR4 | CWDM 1310nm | 2km SMF | LC duplex | 4x100G PAM4

SKU:OSFP-400G-FR4

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Description

Duplex single-mode 400G OSFP transceiver for 2km links using 400GBASE-FR4. Utilizes four wavelengths in the 1310nm window over LC duplex, simplifying cabling compared to parallel MPO. Ideal for aggregation and interconnects where duplex SMF is preferred. Optical interop with compliant FR4 optics across form factors is supported.

Features

- Duplex LC cabling simplifies deployment versus parallel MPO
- Standards-based 400GBASE-FR4 up to 2 km
- 4-wavelength CWDM multiplexing in the 1310nm window
- Interoperable with compliant FR4 optics across platforms
- DOM support for detailed link diagnostics

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

Technical Specifications

- Form factor: OSFP (400G)
- Data rate: 400 Gigabit Ethernet
- Optical standard: 400GBASE-FR4 (IEEE 802.3cu)
- Wavelengths: 4x CWDM in 1310nm window (e.g., ~1271/1291/1311/1331 nm)
- Reach: up to 2 km on OS2 SMF
- Connector: LC duplex
- Optical lanes: 4x100G PAM4 (WDM)
- Host electrical interface: 8x50G PAM4 (CAUI-8)
- FEC: KP4 required on host
- DDM/DOM: Supported
- Typical use: 400G duplex SMF aggregation and interconnects up to 2 km

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