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Clary CT Series User Manual

Page 12

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T H E C O N T I N U O U S P O W E R C O M P A N Y

Page 12

SIGNALS AND INTERFACING

t the rear of the unit are two DB-9 subminiature,
female connectors. These are provided for
communications links to a computer or
sophisticated monitoring device.

SIGNAL provides open collector type contact closures
that typically signal Utility Interrupt and Low Battery
conditions. A system shutdown feature is also
available on this port. Applying a closure across the
appropriate pins will cause the system to shutdown in

battery mode. This conserves the battery life, once an
orderly shutdown has been accomplished. The system
may be configured to shutdown by applying a +5V to
+12V signal to these pins. Contact the factory for
configuration details.
RS232 is a true RS232 communications signal port.
Below is the pin out of the two connectors with their
default assignments:

A