DAITEM ALARM SYSTEM AND DIALLER, User Manual, Page: 27 / 40

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3.5 Procedure for calls to a remote monitoring centre
• Procedure for calls to a remote monitoring centre via the PSTN network
(Contact ID or FSK200 analogical digital protocol) or GSM network (Contact ID protocol)
The remote monitoring
centre receives an
encoded message
The remote monitoring centre
deciphers the digital message
then applies the remote
monitoring instructions to the
protected site (1)
The remote monitoring centre
automatically stops the dialler
call cycle
60 s
dialling
(1) The telephone transmission can be followed by a listen-in period during which the remote monitoring centre can listen in to what is happening on
the protected premises in order to confirm the alarm and issue telephone commands.
(1) The alarm transmission via the Ethernet (ADSL) network can be followed by a listen-in period for the remote monitoring centre.
(2) The remote monitoring centre can also view the video in real time (live) but only when compatible IP cameras managed by the dialler unit are used.
• Procedure for calls to a remote monitoring centre via the Ethernet (ADSL) or GPRS network
(ViewCom IP digital protocol)
The remote
monitoring centre
receives an encoded
message
ADSL
box/router
modem
Internet
The remote monitoring centre
deciphers the digital message
then applies the remote
monitoring instructions to the
protected site (1)
The remote monitoring centre automatically stops
the dialler call cycle
DIALLER
DIALLER
) ) ) )
) )
GSM/GPRS
relay
) ) ) ) ) )
GSM/GPRS
relay
) ) ) ) ) )
) ) ) )
) )
Event triggered
Event triggered
PSTN
GSM
/
GPR
S
ETHE
RNE
T
(ADS
L)
and confirms the alarm
by viewing the alarm film
received (2).