A 10G DWDM SFP+ over single-mode fiber, terminated in duplex LC — the Cisco-coded build of exactly that — is what the DWDM-SFP10G-31.12 resolves to. It slots into a standard SFP+ cage as a fixed-wavelength member of a DWDM mux plan, comes up coded to the host with no configuration to enter, and reports optical levels over DDM once the channel is live.
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Fiber Type: SMF
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Connector: Duplex LC
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OEM Equivalent: DWDM-SFP10G-31.12
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.
Built to MSA specification and individually verified against the channel plan before it leaves the bench, it presents to Cisco switching and routing gear as a recognized part. Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. Kept on the shelf and ships same or next business day.
