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HPE

HPE JH678A | 40G | QSFP+ | 40GBASE-BiDi | 850/910nm | 100m (OM3) / 150m (OM4) | LC duplex

SKU:JH678A

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Description

BiDi QSFP+ transceiver enabling 40GbE over existing duplex LC multimode cabling, avoiding MPO infrastructure for short-reach campus and data center links. Uses two wavelengths in each fiber to deliver 40G up to 100 m on OM3 and 150 m on OM4, simplifying upgrades from 10G.

Features

- Enables 40G over existing LC duplex MMF—no MPO needed
- Lower upgrade cost versus SR4 for short-reach links
- Hot-pluggable QSFP+ for fast deployment
- DOM/DDM for visibility into link health
- Ideal for campus uplinks and leaf–spine connections

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: Do both ends need to be BiDi optics?
A: Yes, 40G BiDi requires a matching BiDi module at each end of the link.

Q: Can this connect to QSFP+ SR4 modules?
A: No. BiDi uses LC duplex and is not directly interoperable with SR4 (MPO) optics.

Q: Can it reuse existing duplex LC cabling?
A: Yes, it is designed to operate over standard OM3/OM4 LC duplex cabling.

Q: Is it compatible with 10G optics?
A: No. Both ends must be 40G BiDi for a valid link.

Q: Does it support digital diagnostics?
A: Yes, it provides DOM/DDM for monitoring key optical parameters.

Technical Specifications

- Form factor: QSFP+
- Speed: 40GbE
- Standard: 40GBASE-BiDi (MSA)
- Wavelengths: bidirectional 850/910 nm (approx.)
- Reach: up to 100 m (OM3); up to 150 m (OM4)
- Connector: LC duplex (no MPO required)
- Fiber type: MMF OM3/OM4
- DDM/DOM: Supported
- Hot-pluggable: Yes
- Application: cost-effective 40G over existing LC plant

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