The 10303 is an optical transceiver module from TenFourOptics. Plug-and-play, no configuration required. Key specifications: 10G, 220m, 1310nm, LC/UPC, MMF.
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Data rate: 10G
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Reach: 220m
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Wavelength: 1310nm
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Connector: LC/UPC
Compatibility: Documented OEM compatibility (Extreme published compatibility documentation): this module is accepted in 10G SFP+ ports on the ExtremeSwitching 5320 Series, ExtremeSwitching 5520 Series, ExtremeSwitching X440-G2 Series, ExtremeSwitching X620 Series, ExtremeSwitching X670-G2 Series, ExtremeSwitching X690 Series, SLX 9540, and SLX 9640. This module follows Extreme'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.
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. Trusted by network engineers and procurement teams across North America for 10 years.
