ATU-R (ADSL Transmission Unit-Remote)

An asymmetrical digital subscriber line (ADSL)

modem located on the customer premises. A matching modem, known as an ADSL transmission unit-

centralized (ATU-C) is located at the telco central office (CO) or other headend location. See also ADSL, CO, headend, and modem.

• Rural and High Cost Program
• Rural Health Care Corporation (RHC)
• Rural Health Care Program
• Réseaux IP Européens Network Coordination Center (RIPE NCC)
• S
• SAN (Storage Area Network)
• SAPI (Service Access Point Identifier)
• SAR (Segmentation And Reassembly)
• satellite
• S band
• S-Band (Short [Wavelength] Band)
• SBE (Small Business Enterprise)
• SCAI (Switch-to-Computer Applications Interface)
• SCAI (Switch-to-Computer Applications Interface)
• scaling
• scam
• scanning
• scanning rate
• scattering
• scatternet
• SCC Decision (Specialized Common Carrier Decision)
• SCC (Specialized Common Carrier)
• S-CDMA (Synchronous Code Division Multiple Access)
• SCE (Service Creation Element)
• Schools and Libraries Corporation (SLC)