DWDM-SFP-3977 — Cisco SFP

The DWDM-SFP-3977 is a Cisco DWDM module in Small Form-factor Pluggable format, designed for long-distance single-mode fibre transmissions in dense wavelength-division multiplexing environments. It operates on a DWDM grid channel; no wavelength value is available in the specifications provided for this product.

This DWDM SFP module is suited to Cisco deployments in metropolitan and carrier networks seeking to maximise the utilisation of their fibre infrastructure. Its standard SFP form factor simplifies integration into high-density Cisco chassis. Genuine hardware, manufacturer warranty.