NAV IP Access controller
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3．SystemArchitectureandConnections
EverAccess® NAV Controller runs the embedded Linux and includes the built‐in browser‐based
management software. No dedicated computer needs to be running to capture and store the events.
Userscanaccessandmanagethecontrollerorthesystemfromanycomputeronthenetwork.
This chapter introduces the 3 types of system architectures in order of system scale. Additionally, the
RS485BusextensionisintroducedforextendingmoredoorcontrolswithEverAccessFlexcontrollers.
3.1SmallSystemfor8Doors
As introduced in chapter 1, NAV Controller provides a flexible, modulated installation up to 8 doors or
readersdirectly.Noadditionalcontrollerorcomputerneeded.
Thenetwork settings canbeconfigureddirectly from theLCDand keypadonthe controller. Aslongas
thenetworksettingsare correct, users can access it by typing the controller IP address in the browser
from a computer on the network. The built‐in browser based software will provide the full
comprehensivefunctionstomanageandmonitorthesystem.
Figure3‐1ConnectingtheControllertoaPC
3.2Systemfor256Doors
Each NAV Controller can connect andcontrol up to 31 EverAccess Flexcontrollers via RS485bus. Each
Flexcontrollercanhookupto8doors/readers,sototal256doors/readerscanbecontrolledunderthe
architectureofoneNAVControllerplus31Flexcontrollers.
UserscanconnecttotheNAVControllerviaacomputertoremotelyreview,andmonitoralltheevents
onNAVandFlexcontrollers.Userscanalsoall31Flexcontrollersfromthebrowser‐basedmanagement
software.
Thesystemstructureisillustratedinthebelowfigure:
Chapter
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