Section 7 – System Communication
7-11
Signal SANS (2) Significance
Output Trouble Yes Trouble at a SIM output point (e.g., comm fail).
Output Restore Yes Trouble has been restored.
Start BA Test Yes Walk test of BA points has started.
End BA Test Yes Walk test of BA points has ended.
Start FA Test Yes Walk test of FA points has started.
End FA Test Yes Walk test of FA points has ended.
Start SPV Test Yes Walk test of supervisory points has started.
End SPV Test Yes Walk test of supervisory points has ended.
System Self-Supervisory Signals
AC Fail Yes Signal initiated after loss of AC power for 4 hours. May be sent with a BA
trouble (Day Set) or entry alarm (Nite Set).
Low Battery (4) Yes AC power has failed and standby battery is sensed as being low. May be
sent with a BA trouble or entry alarm.
Telco Line Trouble (4) Yes Telco line problem; or, if immediately followed by a restoration, it signals
that problem on telco line has been cleared.
Interprocessor Communication Trouble (4) Yes Problem in communication link between communicator module and control
unit microprocessors.
Downline Loading Signals
Start DLL Process Yes Signals that the downline loading (DLL) process with the service terminal
unit has started upon receipt of a Contact Service Terminal command from
the service terminal unit.
End DLL Process Yes Signals that DLL process has been completed.
Abort DLL Process Yes Signals that the DLL process has been aborted. Signal is initiated if
communicator loses contact with service terminal.
DLL Interrupted Yes Signals that communication with the service terminal unit has been
interrupted due to alarm condition.
DLL Time Limit Exceeded Yes Signals that the downline loading (DLL) time limit has been exceeded
during communication with the service terminal unit.
DLL Comm. Fail Yes Signals that control unit has failed in three attempts to establish
communication with the service terminal unit.
Notes:
1.
Signals are transmitted in ADT version of Security Industry Association (SIA) format and include time and date.
2.
"Yes" indicates signal is also applicable to SANS service.
3.
Signal includes data that identifies the person performing the operation.
4.
Signal is cleared when condition is restored.
5.
BA points will be automatically unbypassed when the BA group is opened.
6.
Untyped designation is used for the following points: BA Keyswitch, BA Janitor Keyswitch, BA End Delay, BA Blocklock, and
Remote Power Supply.
Programming the System Communication Options
To program for system communication, see the
Programming
section.
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