Active Devices

Any electrically powered device that boosts signals via amplification or filtering.

Analog Return

The upstream return path to the headend or hub using analog optical fiber nodes.

API: Application Programming Interface

In general terms, an API is a set of clearly defined methods of communication between various software components; a set of subroutine definitions, protocols, and tools for building application software.

Bonded Channels

Logical channel arranging multiple physical communications links arranged into a single logical channel for use by cable modems in the upstream and downstream path.

Broadband Digital Return (BDR)

Also referred to as DR, the upstream (or return path) to the headend or hub facility from digital optical fiber nodes.