Title: +038=534.001-RA001._02-Porttelefon Siedle Systemanvisning.pdf
Switching commands from Siedle software clients (e.g. Access Software Concierge) are also signed and time-stamped. Since the time synchronicity of mobile devices (e.g. laptop) and the Access system cannot be ensured (e.g. location in a different time zone), switching com- mands are executed even if there is a major time deviation.Access ServerBenefits • Time deviation cannot arise between Access server and Access end devices. • Stable Access system operation independent of outside world.NTPAccess end devicesDrawbacks • Access system time and the time for the outside world are not syn- chronised and may drift apart. • The time must be corrected manu- ally.To ensure time synchronisation in the Access system, we recommend the use of one of the following supply structures: