Shenzhen ITLONG Intelligent Technology CO. LTD HLD-DT-A Manuel D’Utilisation
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intercom. The intercom signal is provided by intercom device supplier
or collecting the signal data from each holder’s signal press button.
Three roads floor signal collector installed on each 3 floors , the fifteen
roads floor signal collector installed on each 15 floors.
When there are several elevators sharing the intercom signal in one Unit,
it needs to be installed the group controller, which can intelligently
dispatch the intercom signal to each elevator access controller.