VDSVDS
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VDSVDS
VDS
Page 11
Code 97508I-1 V07_09
Call Reception
The call code sent via the (L) data line is received by all system terminals, but is only recognised by the residential
terminal (or terminals) programmed with the same code. A call tone is generated within the residence and the video
function is activated (on video terminals).
Communication and Door Opening
When the residential terminal receives a call (its address coincides with the call code generated by the amplifier), a
direct connection is established between the terminal called and the panel/reception making the call, via a single
communication path without branching.
Upon picking up the terminal, audio/video communication is established between the terminal and panel/reception.
This communication is limited to a maximum time period of 90 seconds (if this is exceeded, communication will be
cut off) and a minimum time of 15 seconds (during which no call requests from other panels or autostart from other
terminals can be made).
Communication can also be established with the outdoor entry panel without any call being made, through the
autostart function available on all video terminals (please consult the ‘residential terminals’ section).
During communication, the door can be opened by pressing the corresponding button on the residential terminal.
End of Communication: Terminating Call
Once the maximum communication time is reached, or upon hanging up the residential terminal, the system returns
to its standby status: panel/guard unit on standby and terminals listening to bus.
Activation Commands
VDS system terminals include F1 and F2 buttons (present on all «Extra» monitor and telephone models) which
allow the user to activate external devices (relays, timers, etc...) to control additional functions: courtesy lighting,
secondary doors, garages, etc.
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