• Silver-colored arista qsfp-40g-plr4 transceiver modules with blue handles and metallic connectors for 40g qsfp+ plr4 use
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Arista

Arista QSFP-40G-PLR4 | 40G QSFP+ Transceiver, PLR4, 10km, MTP-12, 4x10G LR

Arista QSFP-40G-PLR4 | 40G QSFP+ Transceiver, PLR4, 10km, MTP-12, 4x10G LR

QSFP-40G-PLR4

Stock Status: Enquire

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Description

The Arista QSFP-40G-PLR4 is a 40GBASE-PLR4 optical transceiver delivering 40 Gbps aggregate bandwidth over parallel single-mode fibre at 1310nm, with a reach of up to 10km. Designed for high-density data centre and enterprise core deployments, it supports both native 40G mode and 4x10G LR breakout via an MTP/MPO-12 connector — making it ideal for connecting spine-to-leaf or connecting to 10G-capable downstream devices without additional transceivers.

Compliant with QSFP+ MSA SFF-8436 and RoHS-6, the QSFP-40G-PLR4 features Digital Optical Monitoring (DOM) for real-time visibility into Tx/Rx power, temperature, voltage, and bias current. Its low 3.5W power draw and hot-swappable QSFP+ form factor suit high-port-density Arista switches and compatible third-party platforms. In stock and ready to ship from iptrading.com.au — order now for fast dispatch.

Features

- 4 parallel lanes at 1310nm for high-bandwidth parallel optics over SMF
- Supports native 40G Ethernet and 4x10G LR breakout mode up to 10km
- Digital Optical Monitoring (DOM) for real-time diagnostics — Tx/Rx power, temperature, bias current, voltage
- QSFP+ MSA SFF-8436 compliant for broad platform interoperability
- MTP/MPO-12 connector compatible with standard breakout cassettes and structured cabling
- Hot-swappable QSFP+ form factor for high-density, non-disruptive deployments
- Low 3.5W maximum power consumption on single +3.3V supply
- Individual channel addressing with ability to power down unused lanes
- LVCMOS/LVTTL control signals: Module Present, Reset, Interrupt, Low Power Mode
- RoHS-6 compliant

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Form Factor: QSFP+ (Quad Small Form-Factor Pluggable)
- Aggregate Data Rate: 40 Gbps (4 x 10.3125 Gbps lanes)
- Standard: 40GBASE-PLR4 / XLPPI
- Wavelength: 1310nm (parallel single-mode)
- Fibre Type: Single-Mode Fibre (SMF)
- Maximum Reach: Up to 10km over parallel SMF
- Connector: MTP/MPO-12
- Breakout Support: 4x10G LR up to 10km
- Per-Channel Data Rate: Up to 11.2 Gbps
- Aggregate Bandwidth: Up to 44.0 Gbps
- Power Supply: Single +3.3V
- Maximum Power Consumption: 3.5W
- Operating Temperature: 0°C to 70°C
- Digital Optical Monitoring (DOM/DDM): Supported
- Compliance: QSFP+ MSA SFF-8436, RoHS-6

FAQs

Q: What fibre type and connector does the QSFP-40G-PLR4 require?
A: The QSFP-40G-PLR4 uses parallel single-mode fibre (SMF) with an MTP/MPO-12 connector. It operates at 1310nm across 4 parallel lanes and supports reaches of up to 10km, making it suitable for campus and data centre inter-building links.

Q: Can this transceiver be used in 4x10G breakout mode?
A: Yes. The QSFP-40G-PLR4 supports a 4x10G LR breakout configuration, allowing a single 40G port to connect to four separate 10G devices at up to 10km. A standard MTP-12 breakout cassette or breakout cable is required.

Q: Is Digital Optical Monitoring (DOM) supported?
A: Yes, the QSFP-40G-PLR4 supports full DOM/DDM, providing real-time monitoring of transmit and receive optical power, temperature, supply voltage, and laser bias current via the 2-wire serial interface.

Q: Which Arista switches is this transceiver compatible with?
A: The QSFP-40G-PLR4 is designed for Arista switches with QSFP+ ports, including platforms in the 7050, 7060, and 7300 series. It is also QSFP+ MSA SFF-8436 compliant, providing broad interoperability with compatible third-party platforms.

Q: Can I purchase the Arista QSFP-40G-PLR4 in Australia from IP Trading?
A: Yes. The QSFP-40G-PLR4 is stocked by IP Trading at iptrading.com.au and is available for fast dispatch across Australia. Contact the team for volume pricing, compatibility queries, or assistance with breakout cabling requirements.

Q: What is the power consumption of this transceiver?
A: The QSFP-40G-PLR4 draws a maximum of 3.5W from a single +3.3V supply. This low power draw makes it well suited to high-density switch deployments where thermal management and port power budgets are a consideration.

Datasheet

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