headend

The point of signal origin and centralized communications control in a CATV network or a

traditional Dataphone Digital Service (DDS) network.The headend is the common point of control and connection in a point-to-multipoint network configured in a physical star. See also CATV, DDS, point-to-multipoint, and star topology.

• error control mode (ECM)
• ESCON (Enterprise Systems CONnection)
• ESF (Extended SuperFrame)
• ESMR (Enhanced Switched Mobile Radio)
• ESS (Electronic Switching System)
• ESSID (Extended Service Set IDentifier)
• ETACS (Extended Total Access Communications System)
• etalon
• E-TDMA (Enhanced Time Division Multiple Access)
• ether
• Ethernet
• Ethernet
• Ethernet
• Ethernet Alliance
• Ethernet-based passive optical network (EPON)
• ethics
• ETNO
• ETNO (European Telecommunications Network Operators’ Association)
• ETSI
• ETSI (European Telecommunications Standards Institute)
• etymology
• EUCL (End User Common Line Charge)
• euphemism
• European Computer Manufacturers Association (ECMA)
• European Conference of Postal and Telecommunications Administrations (Conférence