July 25, 2012

See also: Zone, MAC Address

CIMM DEFINITION: Point in a cable television system that interconnects traditional coaxial cable and fiber-optics. The place where an optical signal is converted to a radio frequency (RF) signal, or vice versa. (Source: CableLabs)

2: In Set-Top Box measurement it is the level of sample or census size of less than a certain number of television homes for Set-Top Box data measurement or reporting purposes. Granularity from Zone level to Node to a household level to a set level.

3: In computing, a node is a unique processing location device that has a unique identifier such as MAC Address.

4: “In a digital cable context, a node is the switching station that converts the fiber optic signal from the head end into the electrical signal transmitted over coaxial cable on the proverbial “last mile” of a Hybrid-Fiber-Coax (HFC) distribution network. Ideally, such a node services approximately 500 homes, but in practice nodes may service up to 1000 to 1500 homes. The return path bandwidth is shared by all homes in a node.” (Source: FourthWall Media)