(TA) EquipmeNT used to adapt INTegrated Services Digital Network (ISDN) {Basic Rate INTerface} (BRI) channels to existing terminal equipmeNT standards such as EIA-232 and V.35. A Terminal Adaptor is typically packaged like a modem, either as a stand-alone unit or as an iNTerface card that plugs iNTo a computer or other communications equipmeNT (such as a router or PBX). A Terminal Adaptor does not iNTeroperate with a modem it replaces it. [ISDN FAQ]. (1994-10-03)