Gunning transceiver logic

== English == === Etymology === Invented by William Gunning while working for Xerox. === Noun === Gunning transceiver logic (uncountable) (electronics) A kind of logic signaling used to drive electronic backplane buses, having a voltage swing between 0.4 and 1.2 volts—much lower than that used in TTL and CMOS logic—and symmetrical parallel resistive termination. Synonym: (abbreviation) GTL