Title: +038=534.001-RA001._02-Porttelefon Siedle Systemanvisning.pdf
Fields of application Projects with • a large number of users (door stations and/or indoor devices) and long distances • stringent demands on audio and video transmission • several (also geographically) sepa- rate building sections • concierge functions • heterogeneous utilization (private and commercial mixed use) • fundamental requirement for structured cabling and IP technology10System overviewWLANASHTSwitchASCAccess gatewayLocal networkSIP telephoneAHTVSwitchAVPSwitchATLC/NG 670Door stationDoor releaseLocal Access networkSmartphonesTabletsCustomer server (e.g. mail server)RouterInternetAFSVAFSASHTAccess serverSmartphonesWLANInternetTabletsPublic WLANSmartphones3G – 5GInternetTabletsPublic mobil networkSIP telephone SIP telephone SIP telephone SIP telephoneSIP telephone systemRouterInternetLocal telephone network113 System description Time synchronisation in the Access system (NTP server)