Alcatel OmniPCX Office - Page 706

DOORPHONES APPLICATIONS
Ed. 044/8 Réf. 3EH 21000 BSAA
Functional analysis of the "UNIVERSAL DOORPHONE"
DOORPHONE
USER IN
FRONT OF
DOORPHONE
STATION/OPERATOR
Selection of the
call button
Closure of the loop,
preparation of the
programmable
Sending of the
"START" signal (Tone)
Station rings
Station off hook,
conversation
Conversation
Feature code
opening of the door
Sending of the
"ALERT" signal (Tone)
Sending of the
"LOCK" signal
Door opened
Reception of the
programmable MF code
Sending of the
"STOP" signal (Tone)
Opening of the loop if:
- reception of the dial tone
- T time-out has lapsed
and moving into not avail.
Moving into
availability
Station
on hook
Detection of the
closure of the loop
Reception of the station
directory No. and call
If the station
is not available
or inaccessible
Dial tone reception
(reception acknowledged)
T time-out
MF Q23 transmission of the
programmed directory No.
for door opener control
Call back
(MF code)
Alcatel
OmniPCX
Office