Phone Gateway 4 DU

For connecting an ABB-Welcome system with the analog inputs of a private branch exchange (PBX). Permits the use of a telephone (e.g., DECT, ISDN, mobile telephone) as indoor door communication station. Taking door calls, opening the door and switching the light via the telephone keypad (DTMF). Switching between the freely-programmable target numbers via the telephone keypad (DTMF). PIN protection for all configuration settings. For ABB-Welcome systems with up to 99 appartments. Programming via the telephone keypad (DTMF) or via web browser (requires IP gateway 83342-5..). 2 screw-type terminals for the analogue a/b connection of the telephone system. Consumer units: 1