• Silver-colored Arista OSFP-400G-LR4 SFP+ transceiver modules with blue handles and metallic connectors for 10km single-mode use
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Arista

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

OSFP-400G-LR4

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Description

The OSFP-400G-LR4 is a 400GBASE-LR4 optical transceiver in the OSFP form factor, built for 400GbE spine, leaf and aggregation links in data centre and campus networks. It carries 400 Gigabit Ethernet over duplex single-mode fibre with LC connectors.

The module reaches up to 10 km over SMF G.652 fibre, using four wavelengths at 1271, 1291, 1311 and 1331 nm. Transmit power ranges from -2.7 to +5.1 dBm per lane and receive power from -9 to +5.1 dBm per lane. Maximum power consumption is 12 W, and the module operates at a case temperature of 0 to 70 C. It is hot swappable, so it can be installed or replaced without taking the switch out of service.

It fits Arista switch ports with OSFP cages and interoperates with IEEE 400GBASE-LR4 optics at the far end. The QSFP-DD equivalent for the same PHY is the QDD-400G-LR4. Check Arista's transceiver compatibility matrix for supported platforms and EOS versions.

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

Features

- Hot swappable to maximise uptime and simplify serviceability
- 400GBASE-LR4 delivers up to 10 km over duplex single-mode fibre
- OSFP form factor for high-density 400GbE deployments
- Complies with IEEE 802.3 and OSFP MSA standards
- Flexibility of 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: Duplex LC
- Cable type: Single-mode fibre (SMF G.652)
- Maximum reach: 10 km
- Minimum cabling distance: 2 m
- Wavelengths: 1271, 1291, 1311, 1331 nm
- Tx power: -2.7 to +5.1 dBm per lane
- Rx power: -9 to +5.1 dBm per lane
- Maximum power consumption: 12 W
- 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
- Standards: IEEE 802.3, OSFP MSA, GR-20-CORE, GR-326-CORE, GR-1435-CORE

FAQs

Q: Does this transceiver need a licence or subscription?
A: No. It is a passive optical module and does not require a software licence to operate.

Q: What switch ports does it fit?
A: It fits Arista switch ports with OSFP cages. Check Arista's transceiver compatibility matrix for supported platforms and EOS versions.

Q: How much power does the module draw?
A: Maximum power consumption is 12 W per module, so factor this into the port power budget of your switch.

Q: Can it link to a QSFP-DD 400GBASE-LR4 module?
A: Yes. The QDD-400G-LR4 is the QSFP-DD equivalent for the same 400GBASE-LR4 PHY, so the two interoperate over duplex single-mode fibre.

Q: What fibre does it need?
A: It runs over duplex single-mode fibre (SMF G.652) with LC connectors, with a reach of up to 10 km.

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