Optical Network Service (ONS, Optical Services, Optical Networking, associated with Optical Network Service Management, ONSM, Carrier Optical Service Network, COSP) - Network communications between telephones, computers and other electronic devices using fiber optics and the medium of light.

Gigabit Passive Optical Networks (GPON)

Optical Amplifiers

Optical Connectors

Optical Couplings

Optical Cross-Connect (OCC, Optical Cross Connect)

Optical Disk Recorder (Optical Disks)

Optical Management System (OMS)

Optical Modulators

Optical Network Service, ONS

Optical Receivers

Optical Transceivers

Optical Transponder

Optical Transport Network (OTN)

Optical Transmitters

Reconfigurable Optical Add-drop Multiplexer (ROADM)

SONET - (Synchronous Optical Network)