• 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-LR4-Arista | 400G LR4 OSFP Transceiver, 10km Duplex SMF, LC

OSFP-400G-LR4-Arista

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Description

This 400GBASE-LR4 optical transceiver is designed for 400G data centre and campus-backbone links, such as spine-to-leaf or inter-building connections between OSFP ports. It uses the OSFP form factor and is hot-swappable, so modules can be fitted or replaced without taking the switch out of service.

It links over duplex single-mode fibre (SMF G.652) with LC connectors at up to 10km, using four 100G lanes across the 1271, 1291, 1311 and 1331 nm wavelengths. Transmit power is -2.7 to +5.1 dBm per lane and receive power is -9 to +5.1 dBm per lane. Maximum power consumption is 12W, drawn from the host OSFP port, and the module operates at case temperatures of 0 to 70 C.

The module is intended for OSFP ports on Arista platforms. For platform-specific support, refer to Arista's Transceiver and Cable Guide. The related OSFP-400G-FR4 covers shorter 2km duplex SMF runs, while QDD-400G-LR4 is the equivalent module for QSFP-DD ports.

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

Features

- Hot-swappable design to maximise uptime and simplify serviceability
- 400GBASE-LR4 operation using four 100G lanes in the 1310nm CWDM window
- Duplex LC single-mode connectivity for reach of up to 10km
- OSFP form factor for OSFP ports on Arista platforms
- Part of a broad range of 400GE optics in OSFP and QSFP-DD form factors
- Flexible media and interface choice on a port-by-port basis

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

- PHY type: 400GBASE-LR4
- Form factor: OSFP
- Connector type: LC (duplex)
- Wavelengths: 1271, 1291, 1311, 1331 nm
- Cable type: Single-mode fibre (SMF G.652)
- Maximum reach: 10km
- Tx power: -2.7 to +5.1 dBm per lane
- Rx power: -9 to +5.1 dBm per lane
- Maximum power consumption: 12W
- Dimensions (H x W x D): 13.0 x 22.6 x 100.4 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
- Hot swappable: Yes

FAQs

Q: What fibre and connector does this transceiver use?
A: It uses duplex single-mode fibre (SMF G.652) with LC connectors. It is not designed for multimode fibre.

Q: What is the maximum link distance?
A: It supports links of up to 10km over duplex single-mode fibre.

Q: What power does the module draw?
A: Maximum power consumption is 12W per module, supplied by the host OSFP port.

Q: Which ports does it fit?
A: It fits OSFP ports on Arista platforms. For QSFP-DD ports, the equivalent module is QDD-400G-LR4.

Q: How does it differ from the OSFP-400G-FR4?
A: The OSFP-400G-FR4 is the 2km duplex single-mode variant. This LR4 module extends reach to 10km.

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