(Nearest Active Upstream Neighbor) In a token ring network, the station that precedes this station. When the network beacons, the NAUN initiates the beacon removal process. Contrast with NADN. See beacon removal.
"NAUN." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/naun>.
NAUN. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/naun