An 80km DWDM leg leaves little margin for a transceiver that behaves differently from the one designed in — the ONS-SC+-10G-39.7 is specified to remove that doubt on Cisco platforms, transmitting at 1539.77nm over single-mode fiber and handling OC-192 as well as 10GBASE payloads from an SFP+ slot.
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Reach: 80km
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Wavelength: 1539.77nm
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Connector: LC/UPC
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Fiber: SMF
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.
Its fixed 1539.77nm output means the channel it serves is the only channel it can affect, which keeps fault domains narrow on a shared fiber. Termination is LC/UPC and the operating range is 0 to 70°C, matching common shelf environments. MSA conformance testing precedes every shipment, unit by unit. 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.
