DWDM-X2-39.77-RF — Cisco SFP

The DWDM-X2-39.77-RF is a Cisco recertified (RF) transceiver in X2 form factor, designed for DWDM links over single-mode fiber. It operates on a dedicated channel of the wavelength multiplexing grid; no numerical wavelength value is provided in the available specifications. Its RF status distinguishes it from the DWDM-X2-40.56-RF by a different SKU corresponding to another channel on the grid.

This Cisco recertified unit offers a cost-effective alternative for network teams looking to expand their DWDM capacity without sacrificing native compatibility with Cisco X2 equipment. SKU: DWDM-X2-39.77-RF. Cisco recertified module, manufacturer warranty.