The act or process of passing through, especially of a signal through a device or network.(noun)
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Use "passthrough" in a sentence
"But I do badly in crowds, and kept to the edge, leaning on the passthrough from the bar side most of the time, and never noticed you (though I heard that dedication! fantastic!), and, hey, wouldn't have wanted to intrude anyway."
"If you are using a RADIUS server in passthrough mode with SecurID to provide the VPN group for users, do not set this keyword to On. Configure the device to use RADIUS only."
"To use a RADIUS server in passthrough mode, see Using"