
Appendix B: Reference tables
136 Concord 4 Installation Manual
System event triggers
Table 26 below describes the system event triggers.
Table 26: System event trigger
Null trigger (used for direct control)
Activates only by schedule or direct command.
When fire sirens are started.
When police sirens are started.
When auxiliary sirens are started.
When any of the above sirens are started.
Silent alarm (sensor groups 2, 3,
and duress)
When a group 2 or 3 sensor goes into alarm or
when a duress alarm is activated (does not
include groups 25, 27, 28, or 32).
Any audible or silent alarm
When any alarm is started (does not include
groups 25, 27, 28, or 32).
HOM group 27, 28, 32 in alarm
When a sensor in group 27, 28, or 32 goes
into alarm.
Major trouble (phone or receiver
failure)
When a receiver failure (S94) or a phone
failure (S96) occurs.
When the system is armed to level 2 or 3.
When the system is armed to level 3.
AVM is interactive (audio session
in progress)
When the central station operator begins
listening or talking to the premises.
Fail-to-communicate (panel can’t
call CS or pager)
When the fail-to-communicate output is
activated.
When an AVM alarm occurs, output is
activated momentarily.
Keychain touchpad star button-
press
When the star button on a keychain touchpad
is pressed.
Smoke power (for resetting four-
wire smoke detectors)
Deactivated when hardwire smoke detectors
need to be reset.
Activated for police or fire alarms.
Activation follows all system noises
When an AVM alarm occurs, output is
deactivated for 10 ms
Follows the state of system status (ready or
trouble).
When any tamper is tripped
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