XANTECH CBCSM1 CSM1 Current Sensor Connecting Block (Discontinued by Manufacturer) Allows the Csm1 current-sensing module to be used as a General purpose current sensor to sense the power State of a Component Requires Csm1 & 781Rg power supply Great for all your needs Allows the Xantech CSM1 current sensing module to be used as a general purpose current sensor to sense the power state of a component CSM input: interfaces with the 3.5-millimeter stereo mini plug of the CSM1 current sense module Pull up output will pass 12V DC whenever the CSM1 detects a power on state (green threshold LED on) Pull down terminal is switched to ground (0V) whenever the CSM1 detects a power on state and will pass 12V DC whenever the CSM1 detects a power off state Requires Xantech CSM1 and 781RG power supply