Appendix C: Engineering Specifications - Phonetics SENSAPHONE EXPRESS II User Manual

APPENDIX D: ENGINEERING SPECIFICATIONS
I. General
The Automatic dialer shall be a self-contained microprocessor controlled system capable
of monitoring and controlling up to 40 alarm channels. The system shall be modular in
construction, allowing up to 4 input/output Expansion Cards to be installed and config-
ured for operation by the user by means of the built-in keypad and remotely by touch-
tone phone. Characteristics of Input and Output channels include Universal Input and
Digital Relay Output.
Upon detection of any alarm or status change, the system shall commence dialing
telephone numbers from a list associated with the particular alarm condition(s) or
combination thereof, and deliver a voice message identifying and describing the alarm
condition(s). The alarm message shall be delivered in digitized human voice using
messages recorded by the user. The system will continue to call telephone numbers in
succession until a positive acknowledgment of the alarm message is received. Acknowl-
edgment is accomplished by depressing tone keys from the called telephone, or by
calling the system back within a programmed time period. The alarm may also be
acknowledged using the local keypad. In addition, the system shall be able to receive
incoming telephone calls. Upon answering, the system shall recite a status report and
allow access to remote operation and programming.
The system shall be FCC registered for direct connection to the telephone network. The
system shall have a one year warranty from the manufacturer. The system shall be a
®
Sensaphone Express II by Phonetics, Inc.
II. I/O Channel Attributes and Features
A. Inputs
The system shall come standard with 8 universal input channels. Up to 32 additional
universal input channels may be installed by the user. All input channels shall be user-
configurable as:
1. NO or NC digital dry contact, using 0.8mA loop current
2. 4-20mA analog, using custom look up table
3. 0-5V analog, using custom look up table
4. Pulse count
5. Temperature from thermistor, using 2.8K or 10K devices
6. Time accumulator
The system shall have the following built-in monitoring features:
1. AC power failure detection
2. Sound level monitoring
3. Low battery detection
Appendix D: Specifications
79