Refers to the type of system memory that holds individual system configuration and feature programming. RAM is read/write memory and can be easily revised on programming.
Regional Bell Operating Company.
Provides two circuits, each of which provide two simultaneous voice and/or data connections with a single interface. BRI uses the 2B+D transmission format which is defined as two 64-kbps bearer channels ...
The RCDD (Registered Communications Distribution Designer) title is a professional rating granted by BICSI (the Building Industry Consulting Service International). RCDD’s have demonstrated a superior level of knowledge of the telecommunications ...
Response to requests for service on-demand, in contrast to time sharing, in which all requests for service are responded to in a predetermined time sequence.
PABX feature that allows a user at a remote location to access PABX features by telephone (e.g., WATS lines); individual authorization codes are usually required.
A measure of the similarity of the impedance of a transmission line and the impedance at its terminations. It is a ratio, expressed in decibels, of the power of the outgoing ...
Request for Proposal. A detailed document of requested services and equipment of a buyer submitted to others for responses.
Request for Quote. A document that solicits quotes for telecommunications projects or equipment and provides vendors with all the information necessary to prepare a quote.
As in Tip and Ring. One of the two wires needed to set up a telephone connection.
Term applied to vertical sections of cable, such as changing from underground or direct-buried plant to aerial plant. Term also applies to the space used for cable access between floors.
RJs are telephone and data jacks registered with the FCC. Numbers like RJ-11, RJ-45, etc. are widely misused in the telecommunications industry. A much more precise way to identify a jack ...
An intelligent device near the edge of a network that forms data packets and selects the most expedient route for data to travel.
