• Vibrant pink glossy Juniper fruit sticker for EX-QSFP-40G-LR4 QSFP+ transceiver
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Juniper

Juniper EX-QSFP-40G-LR4 | 40GbE QSFP+ | 40GBASE-LR4 | 1310 nm CWDM | 10 km SMF | LC duplex

EX-QSFP-40G-LR4

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Description

QSFP+ 40GBASE-LR4 transceiver for 10 km single-mode links using LC duplex, ideal for campus distribution and data center interconnect on compatible Juniper EX switches.

Features

- 10 km single-mode reach for campus/DC interconnects
- LC duplex for simple SMF cabling
- Stable 1310 nm CWDM operation
- Digital diagnostics for monitoring and troubleshooting
- Interoperable 40GBASE-LR4 standard

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-LR4
- Wavelengths: 4x 1310 nm CWDM lanes
- Fiber/cable: OS2 SMF
- Reach: up to 10 km
- Connector: LC duplex
- DDM/DOM: Supported
- Breakout: Not supported (single 40G channel)

FAQs

Q: What is the maximum reach?
A: Up to 10 km over OS2 single-mode fiber.

Q: Can this be used with MMF?
A: No. LR4 is designed for single-mode fiber only.

Q: Is 4x10G breakout supported?
A: No. LR4 carries one 40G channel over LC duplex.

Q: Is it interoperable with ER4 modules?
A: No. Use LR4-to-LR4 for proper link operation.

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