© 2017 Cypress Solutions
Manual: CTM ONE (Revision 1.0)
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Installing the CTM ONE.
Red
+7V to +32V DC
Black
0V return (GND)
White
Standby / Ignition (+V for operation, Off for standby)
A 5 Amp “slow-blow” fuse is recommended in the +V supply line.
When the operate/standby line is used, the CTM ONE can take advantage of the state of this line using its
“ignition sense” features. When the ignition line is wired the CTM ONE does not completely shut down, a small
amount of power is used (1.2mW-40 mW) to monitor the status of various inputs so the device can “wake on
events” that occur when the device is in low power mode.
Advantages of connecting power using the vehicle operate/standby or ignition line:
Ignition ON/OFF events can be reported and logged.
Shutdown based on a timer can be activated, for example, turn CTM ONE off 10 mins after ignition has
