ABB Welcome 4-Way Analog Camera Interface Mounting Instructions

This document provides mounting instructions, technical specifications, and operational details for a 4-way analog camera interface that integrates up to four analog cameras into the ABB Welcome door entry system. It covers safety warnings, wiring topology, four working modes (independent outdoor station, associated with outdoor station, associated with guard unit, and programming mode), and connection guidelines for flush-mounted, surface-mounted, or DIN rail installations.