• Arista QSFP-40G-PLR4 40G QSFP+ PLR4 fiber optic connector
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Arista

Arista QSFP-40G-PLR4 | 40G QSFP+ Transceiver, PLR4, 10km SMF, MPO-12

QSFP-40G-PLR4

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Description

This 40G QSFP+ PLR4 transceiver delivers 40 Gigabit Ethernet over parallel single-mode fibre at 1310 nm, reaching up to 10 km via an MPO-12 connector. It supports native 40G links as well as 4x10G LR breakout, making it suited to high-density data centre aggregation and campus backbone links. DDM/DOM support allows real-time optical monitoring, and MPO-12 parallel single-mode cabling is required.

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

Features

- Up to 10 km 40G reach over single-mode fibre
- Parallel 1310 nm lanes via MPO-12 for high-density links
- 4x10G LR breakout support for flexible aggregation
- QSFP+ MSA compliant
- Digital optical monitoring (DOM)
- Requires MPO-12 parallel single-mode cabling, not compatible with LC duplex patching

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

- Data rate: 40 Gigabit Ethernet
- Form factor: QSFP+
- Optical type: 40GBASE-PLR4 (parallel SMF)
- Wavelength: 1310 nm parallel lanes
- Fibre type: single-mode (SMF), 8 active fibres
- Reach: up to 10 km
- Connector: MPO/MTP-12
- DDM/DOM supported
- Supports 4x10G LR breakout

FAQs

Q: What fibre and connector does this transceiver use?
A: It uses parallel single-mode fibre with an MPO/MTP-12 connector, with 8 active fibres carrying the 1310 nm lanes.

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

Q: Can it be used for 4x10G breakout?
A: Yes. It supports 4x10G LR breakout, allowing a single 40G port to connect to four 10G LR links with suitable MPO breakout cabling.

Q: Can I connect it with standard LC duplex patch cables?
A: No. This PLR4 module requires MPO-12 parallel single-mode cabling and is not compatible with LC duplex patching.

Q: Does it support optical monitoring?
A: Yes. It supports digital diagnostics monitoring (DDM/DOM) for visibility into optical performance.

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