Back To Back Connection

* 1A direct connection between the output of a transmitting device and the input of an associated receiving device ( 188 ) Note: When used for equipment measurements or testing purposes, such a back-to-back connection eliminates the effects of the transmission channel or medium 2 A direct connection between the output of a receiving device and the input to a transmitting device Note: The term direct, as used in both definitions, may be construed as permitting a passive device such as a pad ( attenuator) to accommodate power level constraints
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* 6-man back defense
* a face like the back of a bus
* a telephone connection
* abandoned connection
* aborted connection
* active connection
* advanced connection
* air connection
* anonymous connection
* answer back
* answered back
* answering back