略語大辞典 [C] 25 IAU ISDN(integrated services digital network) access unit ISDNアクセス装置. データ通信装置.ISDN(integrated services digital network) access unit; a subassembly in a ISDN switching system; ref. FPS(fast packet switch), capable of operating at 300 Mbits/s; based on the CCITT standard of ATM(asynchronous transfer mode); <br 丸善「略語大辞典」JLogosID : 11877700