The QSFP-100G-LR4-ET is a 100G QSFP28 optical transceiver engineered as a drop-in equivalent for Juniper platforms, and is fully interoperable on Juniper switching and routing gear, hot-swappable with zero host configuration.
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Form Factor: QSFP28
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Data Rate: 100G
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Protocol: LR4
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Fiber Type: SMF
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Reach: 10km
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Connector: Duplex LC
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OEM Equivalent: QSFP-100G-LR4-ET
Compatibility: Documented OEM compatibility (Juniper published compatibility documentation): this module is accepted in 100G QSFP28 ports on the ACX Series, EX4650 Series, MX204/MX Series, PTX10000 Series, QFX10000 Series, QFX5120 Series, QFX5130 Series, and QFX5200 Series. This module follows Juniper's published compatibility matrix; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.
Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.
As a parallel, multi-lane optic, this module anchors high-density spine-leaf fabrics and breakout topologies, aggregating several lanes into a single high-speed port. It is a backbone component of modern data-center and AI-cluster builds, where port density and bandwidth per rack-unit are the limiting factors. It operates 10km.
Because it is coded to the Juniper host platform, the switch or router reads it as a factory module — clean in diagnostics, free to mix with OEM and other compatible optics in the same chassis, and needing no firmware exceptions.
Each unit is programmed to match Juniper host values and bench-tested for traffic conformity, DOM-threshold accuracy, and optical cleanliness before it leaves the bench. Class 1 laser certified and RoHS compliant.
Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In stock and ships same or next business day.
