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Juniper

Juniper QFX-QSFP-40G-ESR4 | Optics: 40G QSFP+, 40GBASE-ESR4, 860nm, OM3 300m / OM4 400m, MPO-12

SKU:QFX-QSFP-40G-ESR4

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Description

QSFP+ 40GBASE-ESR4 multimode transceiver for high-density leaf/spine fabrics. Parallel optics over MMF deliver up to 300 m on OM3 and 400 m on OM4 via MTP/MPO-12 connector. Ideal for extended short-reach aggregation or high-throughput interconnects. Supports DOM and 4x10G breakout with appropriate cabling.

Features

- Extended short-reach 40G performance over MMF
- High-density MPO-12 interface for quick deployment
- Supports 4x10G breakout for flexible topology
- Hot-swappable for minimal downtime

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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FAQs

Technical Specifications

FAQs

Q: What connector type does this module use?
A: It uses an MTP/MPO-12 multimode connector.

Q: How far can it reach on OM3 and OM4?
A: Up to 300 m on OM3 and up to 400 m on OM4 under typical link conditions.

Q: Does it support 4x10G breakout?
A: Yes, it can operate as 4x10G with appropriate breakout cabling and switch support.

Q: Is digital diagnostics (DOM) available?
A: Yes, DOM/DDM is supported for monitoring key link parameters.

Technical Specifications

- Data rate: 40 GbE
- Form factor: QSFP+
- Base standard: 40GBASE-ESR4
- Wavelength: 860 nm
- Fiber type: MMF (OM3/OM4)
- Reach: up to 300 m on OM3; up to 400 m on OM4
- Connector: MTP/MPO-12 (female)
- Lanes: 4x10G parallel optics
- Digital diagnostics (DDM/DOM): supported
- Hot-swappable, low-power operation
- Compatibility: QSFP+ 40G ports on supported switching platforms

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