On Cisco switching and routing gear, the DWDM-SFP10G-56.55 registers as an equivalent module and brings the link up with no configuration required. It is a 10G DWDM optic in the SFP+ form factor, running over single-mode fiber through a duplex LC pair, and it surfaces DDM diagnostics once the channel is live. Every unit is verified against the Cisco part on the bench first.
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Fiber Type: SMF
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Connector: Duplex LC
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OEM Equivalent: DWDM-SFP10G-56.55
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.
Manufactured to MSA specification and individually verified, it takes its place in an existing DWDM mux plan and carries 10G over single-mode fiber as a fixed channel member. Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. Kept on the shelf and ships same or next business day.
