The US Transceivers compatible DWDM-SFP-3977 is a 1000BASE-DWDM SFP transceiver engineered for single-mode fiber deployments requiring precise wavelength control. Operating at a DWDM wavelength of 1539.77 nm (ITU Channel 49), this module delivers 1 Gbps data rates with support for distances up to 80 km over SMF using an LC Duplex connector interface.
Built to meet demanding network requirements, the US Transceivers compatible DWDM-SFP-3977 supports Digital Diagnostics Monitoring (DDM/DOM), enabling real-time monitoring of optical power, temperature, and voltage. Its compact SFP form factor makes it ideal for deployment in a wide range of 1G-capable switches and routers that accept standard SFP interfaces.
This module is TAA compliant and manufactured to meet RoHS, CE, and REACH standards, as well as IEEE 802.3 and SFP MSA specifications. It is a cost-effective, fully compatible alternative for enterprise, metro, and data center environments requiring DWDM long-haul connectivity.
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