Description
Cisco ONS 15216 Optical Service Channel Optical Add/Drop Multiplexer ADD/DROPThe Cisco ONS 15216 Optical Supervisory Channel (OSC) Optical Add/Drop Multiplexer (OADM) is a passive device used for combining and separating a wavelength operating at 1510 nm from a composite dense wavelength-division multiplexing (DWDM) signal, while allowing other wavelengths to pass through.