QDD-400G-LR4-10 Juniper Compatible 400G QSFP-DD LR4 10km Transceiver

The QDD-400G-LR4-10 delivers 400G across single-mode spans up to 10km in the QSFP-DD form factor, as a compatible replacement for the Juniper part of the same number. Built to the LR4 standard and terminated on a duplex LC pair, it serves the reach where 400G has to leave the data-center hall and cross to another building. Coded to come up on Juniper gear as a recognized module, it is hot-swappable and needs no host configuration.

• Form Factor: QSFP-DD
• Data Rate: 400G
• Protocol: LR4
• Fiber Type: SMF
• Reach: 10km
• Connector: Duplex LC
• OEM Equivalent: QDD-400G-LR4-10

Compatibility: Documented OEM compatibility (Juniper published compatibility documentation): this module is accepted in 400G QSFP-DD ports on the ACX7100 (ACX Series), MX10004/MX10008 (MX Series), PTX10000 Series, QFX5130 Series, QFX5220 Series, and QFX5700 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.

Manufactured to MSA specification and individually verified for host coding and conformity before dispatch. Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. Orders placed today ship same or next business day.