The JNP-QSFP-40G-4X10GSR is a 40G QSFP optical transceiver engineered as a drop-in equivalent for Juniper platforms,, recognized by the host as a genuine module and ready to pass traffic the moment it seats with no CLI changes.
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Form Factor: QSFP
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Data Rate: 40G
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Protocol: SR Breakout
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Fiber Type: MMF
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Connector: MPO to 4x LC Duplex
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OEM Equivalent: JNP-QSFP-40G-4X10GSR
Compatibility: Documented OEM compatibility (Juniper published compatibility documentation): this module is accepted in 40G QSFP+ ports on the EX3400 Series, EX4600 Series, EX4650 Series, PTX10000 Series, QFX10000 Series, QFX5100 Series, and QFX5120 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.
Works with: 4× 10G SR (MMF) optics at the far end — this module runs 40G as four 10G lanes in breakout mode.
Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.
It is qualified against Juniper host platforms and tested end to end so it behaves exactly as the OEM module it replaces, slotting into existing designs without surprises. The result is a like-for-like swap that protects the original network design while removing OEM-optics cost from the bill of materials.
Host-programmed and qualified against Juniper platforms, it slots in beside existing OEM and third-party optics, reports clean DDM telemetry, and needs no special configuration to bring the link up.
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.
