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.

• performance management
• per-hop behavior (PHB)
• peripheral
• permanent virtual circuits (PVC)
• persistence of vision
• Personal Access Communications Services (PACS)
• personal area network (PAN)
• personal communications network (PCN)
• personal communications services (PCS)
• Personal Communications Services (PCS)
• Personal Communications System (PCS)
• Personal Computer Memory Card International Association (PCMCIA)
• Personal Digital Cellular (PDC)
• Personal Handyphone System (PHS)
• Personal Locator Beacon (PLB)
• personal operating space (POS)
• personal radio services
• Personal Wireless Telecommunications (PWT)
• PESQ (Perceptual Evaluation of Speech Quality)
• PGP (Pretty Good Privacy)
• phantom circuit
• pharming
• phase
• phase
• phase