DWDM-XENPAK3504-WS — Cisco SFP

The DWDM-XENPAK3504-WS is a Cisco XENPAK-format transceiver in WS (Cisco Catalyst) variant, dedicated to DWDM applications over single-mode fiber. This module operates on a DWDM grid channel without a wavelength listed in the provided specification data. The XENPAK form factor is required by earlier-generation Cisco Catalyst equipment that does not support SFP+ or X2 form factors.

Designed for maintaining operational continuity of XENPAK Cisco Catalyst networks, this module allows existing optical infrastructures to be sustained without replacing host equipment. It targets network managers and resellers specializing in high-availability Cisco legacy environments. Certified Cisco Catalyst compatibility. Genuine hardware, manufacturer warranty.