Remote digital terminal
Encyclopedia
In telecommunications, a Remote Digital Terminal (RDT) typically accepts E1
, T1
or OC-3 digital lines to communicate with a telephone Access network
(AN) or telephone exchange
(LDS) on one side, and forms a Local Exchange
(LE) on the other, which is connected to Plain Old Telephone Service (POTS
) lines.
E-carrier
In digital telecommunications, where a single physical wire pair can be used to carry many simultaneous voice conversations by time-division multiplexing, worldwide standards have been created and deployed...
, T1
T-carrier
In telecommunications, T-carrier, sometimes abbreviated as T-CXR, is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and South Korea....
or OC-3 digital lines to communicate with a telephone Access network
Access network
An access network is that part of a telecommunications network which connects subscribers to their immediate service provider. It is contrasted with the core network, which connects local providers to each other...
(AN) or telephone exchange
Telephone exchange
In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls...
(LDS) on one side, and forms a Local Exchange
Class 5 telephone switches
A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company's central office, directly serving subscribers. Class 5 switch services include basic dial-tone, calling features, and additional digital and data...
(LE) on the other, which is connected to Plain Old Telephone Service (POTS
Plain old telephone service
Plain old telephone service is the voice-grade telephone service that remains the basic form of residential and small business service connection to the telephone network in many parts of the world....
) lines.