The QDD-4X100G-FR is a 400G optical 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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Data Rate: 400G
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Wavelength: 1310nm
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Fiber Type: SMF
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Reach: 2km
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Connector: MPO-12 APC
A medium-reach single-mode module tuned for the modern data center — short interconnect hops between halls and rows in high-density spine-leaf fabrics. It pairs single-mode reach with low latency and modest power for 100G-and-up east-west traffic that has outgrown multimode. It operates 2km in the 1310nm window.
Coded to the host EEPROM, it comes up as a genuine module: full diagnostic visibility, no compatibility warnings, and side-by-side operation with optics already in the chassis.
We program each module to the Juniper host EEPROM and run it through traffic, DOM, and optical-cleanliness checks before it ships. Class 1 laser certified and RoHS compliant.
Backed by the GreenLights4Life® lifetime warranty — buy it once, covered forever. In stock and ships same or next business day.
