geosynchronous earth orbit (GEO)

See GEO.

• Ohm’s Law
• Ohm’s Law
• OLT (Optical Line Terminal)
• OLT (Optical Line Terminal)
• Omnibus Budget Reconciliation Act of 1993 (OBRA 93)
• OMR (Optical Mark Recognition)
• ones density
• on-hook
• ONT (Optical Network Terminal)
• ONU (Optical Network Unit)
• OOO (Optical-Optical-Optical)
• opaque OXC (opaque Optical CROSS-Connect)
• open circuit
• open-loop algorithm
• Open Shortest Path First (OSPF)
• open source
• open source software (OSS)
• open standard
• Open Systems Interconnection Model
• open wire
• operating system (OS)
• operations, administration, management, and provisioning (OAM&P)
• operations and maintenance (O&M)
• operations support system (OSS)
• operator