Number-for-number substitution is the brief for the SFP-10G-DW52-80KM-TFO: it holds the 10G rate and the 80km reach of the Cisco module it stands in for, in the same SFP package and under the same DW52 designation. Cisco hosts read the programmed identity and treat it as native, so the swap leaves the port configuration untouched while DDM/DOM keeps transmit and receive readings in front of the operator across the long span. Reach, rate, and coding are verified together on each serial before it is released.
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Form Factor: SFP
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OEM Equivalent: SFP-10G-DW52-80KM-TFO
Compatibility: Documented OEM compatibility (Cisco published compatibility documentation): this module is accepted in 10G SFP+ ports on the ASR 9000 Series, Catalyst 9300 Series, Catalyst 9400 Series, Catalyst 9500 Series, NCS 540 Series, NCS 5500 Series, Nexus 3000 Series, Nexus 9300 Series, Nexus 9500 Series, and Secure Firewall 3100 Series. This module follows Cisco'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.
MSA behavior is checked per unit as part of final inspection. 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.
