Lexicon 570 - Manual (Page 6)

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Installation
This section describes the procedure for installing the Messenger 570 system. It
includes details on how to mount the unit in a suitable location, connect it to a
phone line and power source; and attach sensors or instrumentation to it to meet
your specific monitoring, alarm, and control needs.
Serial Port
Power
Input 1
Common
Model 570
Remote Monitoring System
Alarm
Batt Out
Batt In
Output 4
Output 3
Output 2
Output 1
+12V DC
Common
Input 2
Common
Input 3
Common
Input 4
Common
Input 5
Common
Input 6
Common
Input 7
Common
Input 8
Common
I/O Expansion Port
Phone Connections
RS-232 Serial
Portfor PC or
Satellite Tranceiver
Input Connector
Output Connector
AC Power Inlet
Switched AC Outlet
Battery Disconnect
DC Output
Power Indicator
Alarm Indicator
A “home” for your Messenger 570
Your new Messenger 570 should be located in a convenient location close to the conditions being monitored - in a
warehouse, basement, utility closet or other work area, mounted on a wall, or mounted inside an equipment cabinet.
When mounted in an optional NEMA-4X weatherproof enclosure, the Messenger 570 can be used in damp or dusty
environments or placed outdoors.
If the outputs of the Messenger 570 are used to switch voltages in excess of 30 volts, the unit must be mounted in an
approved electrical equipment enclosure.
Connecting a Phone Line
The Messenger 570 is designed to work on most public phone systems found throughout the world. It will also work
on most office PBX phone systems. With optional equipment, it will also work on cellular phone systems and with
low-orbiting satellites.