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Juniper

Juniper QSFPP-40GBASE-ER4 | 40GbE QSFP+ | 40GBASE-ER4 | 1310 nm CWDM | 40 km SMF | LC duplex

SKU:QSFPP-40GBASE-ER4

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Description

QSFP+ 40GBASE-ER4 long-haul transceiver for metro and WAN uplinks up to 40 km over single-mode fiber using LC duplex. Ideal for interbuilding, metro access, and core links on compatible Juniper platforms.

Features

- Extended reach up to 40 km for metro/WAN links
- 1310 nm CWDM optics for stable long-distance performance
- LC duplex interface for straightforward SMF deployments
- DOM support for optical power and diagnostics
- Standards-based 40GBASE-ER4 for 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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FAQs

Technical Specifications

FAQs

Q: What fiber type and connector are required?
A: OS2 single-mode fiber with LC duplex connectors.

Q: Is FEC required for full 40 km reach?
A: Platform-dependent. Some deployments may use host FEC to optimize margin; check your device documentation.

Q: Can this interoperate with LR4 modules?
A: No. ER4 requires an ER4 on the far end for proper link operation.

Q: Does this support 4x10G breakout?
A: No. ER4 is a single 40G channel over LC duplex.

Technical Specifications

- Speed: 40 Gigabit Ethernet
- Form factor: QSFP+
- Standard: 40GBASE-ER4
- Wavelengths: 4x 1310 nm CWDM lanes
- Fiber/cable: OS2 SMF
- Reach: up to 40 km
- Connector: LC duplex
- DDM/DOM: Supported
- Breakout: Not supported (single 40G channel)

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