Americas Headquarters:Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USACisco Smart+Connected Video Door StationReference GuideThis document provides information and installation instructions for the Cisco Smart+Connected VideoDoor Station, which includes the following options:• Cisco Smart+Connected Video Door Station Internal (SCH-VDS-I)• Cisco Smart+Connected Video Door Station External (SCH-VDS-E)• Cisco Smart+Connected Video Door Station Back Box (SCH-VDS-BB)ContentsRefer to the following topics for more information:• Introduction, page 3• Box Contents, page 4• Accessories, page 4• Front Panel Description, page 5• Prerequisites and Requirements, page 6– Prerequisites, page 6– Understanding the Power and Network Connection Options, page 7– Grounding Requirements, page 9– Mounting Tips, page 9– Backlit Button Indicator, page 9• Installing the Back Box, page 11– Back Box Requirements, page 12– Back Box Network and Power Considerations, page 12– Back Box Mechanical Drawing, page 13– Installing the Back Box, page 14