File
3
DOORPHONESAPPLICATIONS
Ed. 04 5/8Réf. 3EH 21000 BSAA
Functional analysis of the "TELEMINI" doorphone
Alcatel
OmniPCX
Office
t = 3s
DOORPHONE
USER IN
FRONT OF
DOORPHONE
Selection of the
call button
Closure of the loop,
preparation of the
T1 = 2s time-out
Sending of the
"START" signal (A)
Station rings
Station off hook,
conversation
Conversation
Feature code
opening of the door
Sending of the
"ALERT" signal (Tone)
Sending of the
"LOCK" signal (D)
Door opened
Reception of the MF D code,
door opener control
Sending of the
"STOP" signal (C)
Opening of the loop if:
- reception of MF C code
- T1 time-out has lapsed
- T2 time-out has lapsed
Moving into
availability
Station
on hook
Detection of the
closure of the loop
Reading of the station
directory No. in
Automatic call on off hook
and station call
If the station
is not available
or inaccessible
and moving into not avail.
while t = 1.5s
Reception of the MF A code
(reception acknowledged)
cancelling of T1 and
preparation of the
T2 = 2 mins time-out
Call back
STATION/OPERATOR