DWDM-X2-39.77 — Cisco SFP

The DWDM-X2-39.77 is a Cisco module in X2 form factor for long-distance DWDM transmissions over single-mode fibre. This transceiver is assigned to a dedicated ITU-T grid channel; available specifications for this SKU do not indicate a wavelength in nm, and the precise value should be consulted in the official Cisco documentation. The X2 form factor is specific to Cisco 10G platforms using this particular slot.

This X2 module is aimed at operators of previous-generation Cisco infrastructures requiring replacement or capacity expansion on DWDM links. The reference DWDM-X2-39.77 ensures unambiguous identification when ordering. Genuine Cisco hardware, manufacturer warranty.