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Chapter 9: Operation
CHAPTER 9
OPERATION
HOW THE UNIT WORKS
ISACC monitors up to 16 universal inputs. When the status of an input changes or exceeds
user-programmed limits, it causes an alarm. If the alarm condition lasts long enough to meet
its programmed recognition time, ISACC will consider the alarm valid and begin a dialout to
the programmed telephone numbers from a list associated with that particular alarm condition.
ISACC can dial out to a standard touch-tone or pulse telephone (VOICE mode), to a PC or
terminal (DATA mode), or to a beeper. The unit will continue dialing telephone numbers in
succession until a positive acknowledgment is received.
NOTE: ISACC will not dial out if you are online with the unit locally through the RS232
port.
ALARM DIALOUT - VOICE MODE
When dialing to a standard telephone, ISACC recites an alarm message in voice-synthesized
English to identify the input in alarm using its internally resident vocabulary. To acknowledge
the alarm, you must use a touch-tone telephone to enter the acknowledgment code at the end
of the alarm call. You may also call the unit back using a touch-tone telephone to enter the
acknowledgment code.
Example: An alarm occurs on input 2 and meets the recognition time. ISACC begins the
dialout sequence. Phone 1 is programmed as voice. When the phone is answered, ISACC will
identify itself by reciting its programmed phone number. It will then state the input in alarm.
This message is repeated the 3 times (programmed number of voice repetitions). ISACC will
then request the touch-tone acknowledgment code 555. When the touch-tones are received,
ISACC will respond by saying OK and then disconnect from the line. NOTE: The alarm is
acknowledged but not cleared. The condition will continue to exist until some action is taken
to correct the situation. Below is what ISACC says in the above example:
"Hello, this is telephone number 555-1234
Number 2 exists
Hello, this is telephone number 555-1234
Number 2 exists
Hello, this is telephone number 555-1234
Number 2 exists
Indicate you have received warning message."
You have 15 seconds to enter the acknowledgment code: 555 on the touch-tone phone.
When the touch-tones are received, ISACC will respond by saying:
"OK."