The SFP28-25G-ER is a 25G SFP28 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: SFP28
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Data Rate: 25G
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Protocol: ER
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Wavelength: 1310nm
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Fiber Type: SMF
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Reach: 40km
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Connector: Duplex LC
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OEM Equivalent: SFP28-25G-ER
Compatibility: Documented OEM compatibility (Juniper published compatibility documentation): this module is accepted in 25G SFP28 ports on the ACX Series, EX4400 Series, EX4650 Series, QFX5120 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.
Extended-reach optics push single-mode links out to metro distances, connecting sites across a city or campus where standard long-reach modules run out of optical budget. It is the right tool when the span is too far for an LR but does not yet justify coherent line-side gear. It operates 40km in the 1310nm window.
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.
Before shipment every module is coded to the host platform, then verified for protocol conformity, diagnostic accuracy, and end-face cleanliness. Class 1 laser certified, RoHS compliant.
Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day — contact 10.4@tenfouroptics.com to confirm availability and lead time.
