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Alarms and Events
6–11
Terminology note
Outputs can also be referred to as general-purpose outputs (GPOs), in some technical
documentation.
6.6.1 Peephole Application
One application for outputs is to remotely unlock a door after visual inspection of a
doorway.
Preparations
Installation personnel wire two devices to a Multi-Media unit:
• the locking mechanism of a security door (or gate)
• a doorbell.
The Multi SA sets the Multi-Media unit’s input connected to the doorbell, to trigger an
alarm and sets up the sites Multi-Media unit to call an alarm station. The Run live alarm
session on alarm option can be disabled, to taste.
!
!!
!84 To control access at a site (in this doorbell example)
1. At a Multi site that is setup as described at the beginning of this section (on
p. 6–11), run an alarm session when an alarm rings. For the procedure, see 6.3:
Alarm Session.
2. If the alarm is from the input connected to the doorbell, acknowledge it. For the
procedure, see 6.3.
3. Start a Live video session to view the caller. Live video sessions are explained
starting in section 2: Live Video, on p. 2–1.
4. Use the output that matches the door. For the procedure, see 6.6: Controlling
an Onsite Device: Output.
5. Rearm the alarm. For those procedures, see the following sections.
6.7 Setting an Alarm
Process
A maintenance session is used to set an event to trigger an alarm, as illustrated in figure
62. If your Multi user account cannot run a maintenance session, your Multi system
administrator (Multi SA) can inform you about which alarms, if any, are set on your Multi
system.
Before you can set an alarm ...
Before you can start a maintenance session, your Multi SA has to:
• add the Modify configuration right to the user account. With this right, you can
start a maintenance session at a site and to set events to be ignored, trigger
alarms or to be logged; this right also enables a View operator to configure
cameras and to perform many other maintenance tasks. See your Multi SA for
more information on the other tasks.
• grant access to the site(s) assigned to operator(s) by their supervisors.