Loopback

Definition:

A type of diagnostic test in which a transmitted signal is returned to the transmitting device and then compared to the

original signal.

Bearer Channel

A channel capable of transmitting all the information required for communication, such as user data, synchronizing sequences, and control signals.

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Out-Of-Brand Signaling

Any signaling method that uses frequencies that are not in the normal transmission frequency bands of the information transmissions.

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Base Station

The central radio transmitter/receiver that maintains communications with mobile radio phone sets within a given range (typically a cell site).

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Frame Relay Circuit

A frame relay circuit is a telecommunications link through which data is transmitted in frames or individual packets of information.

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