• Vibrant pink glossy Juniper fruit sticker for EX-QSFP-40G-SR4 40GbE module
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Juniper

Juniper EX-QSFP-40G-SR4 | 40GbE QSFP+ | 40GBASE-SR4 | 850 nm | 150 m OM4 / 100 m OM3 | MPO-12

EX-QSFP-40G-SR4

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Description

QSFP+ 40GBASE-SR4 multimode transceiver for high-density short-reach links over OM3/OM4 fiber with MPO-12 connectivity. Ideal for top-of-rack, spine/leaf, and aggregation on compatible Juniper EX switches. Supports 4x10G breakout with appropriate cabling.

Features

- High-density 40G short-reach over MMF
- MPO-12 interface simplifies parallel optics cabling
- Supports 4x10G fan-out for flexible migration
- Low-latency, low-power short-haul connectivity
- Standards-based 40GBASE-SR4 for multivendor interoperability

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

- Speed: 40 Gigabit Ethernet
- Form factor: QSFP+
- Standard: 40GBASE-SR4
- Wavelength: 850 nm
- Fiber/cable: OM3/OM4 MMF
- Reach: 100 m (OM3), 150 m (OM4)
- Connector: MPO-12 (MTP)
- DDM/DOM: Supported
- Breakout: 4x10G supported with MPO-to-4xLC harness

FAQs

Q: Does this module support 4x10G breakout?
A: Yes. Use an MPO-12 to 4xLC harness and compatible 10G optics on the remote end.

Q: What fiber type is required?
A: OM3 or OM4 multimode fiber with MPO-12 connectivity; OM4 is recommended for maximum 150 m reach.

Q: Can this link directly to LR4 or LX4 modules?
A: No. SR4 requires another SR4 module on the far end over MMF.

Q: What connector gender does the transceiver present?
A: The QSFP+ module has an MPO-12 female port; use an MPO-12 male trunk.

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