Cisco DWDM-X2-39.77 Optical Transceiver
The Cisco DWDM-X2-39.77 optical transceiver is a high-performance Dense Wavelength Division Multiplexing (DWDM) module designed for scalable optical transport networks. Operating at 1539.77nm with 100GHz ITU channel spacing, this hot-swappable X2 module delivers reliable long-distance fiber connectivity for enterprise, telecom, and data center backbone infrastructure.
