ABB/Niessen Hotel Room Signalling Set Mounting Instructions

This document is a multilingual branding flyer and mounting instruction manual for an ABB/Niessen hotel room signalling set, which includes a bell and indicators for "Do Not Disturb" (DND) and "Make Up Room" (MUR). It provides technical data, wiring diagrams, and step-by-step installation and operation instructions for the corridor and room units, with safety warnings in Spanish, English, French, Italian, Portuguese, and Dutch.