Pacific Research Solutions RI-1 - Manual (Page 21)

Pacific Research Solutions RI-1 and PE-1 User Manual
Page 15
+5V Output (Pins 1)
This is a low current +5V supply output. This output can be used to power an interface circuit external to the controller. Do
not draw more then 25mA from this output.
SERIAL DATA (Pins 18 through 20)
These signals are reserved for digital output expansion. This feature is to be added at a later time.
RADIO DATA (Pins 10 through 14)
These signals are reserved for serial communication to various radios. This feature is to be added at a later time.
RS-232 DATA (Pins 22 through 25)
These signals are used to communicate to various radios and EchoLink. See linking section for more details.