2.2 Rear of unit
Socket for charging unit
Socket for external contact
Probes input
2.3 Functions of connectors (rear panel)
ON / OFF Switch
ON / OFF switch
Pin 1
Pin 2
Pin 3
Pin 1
Pin 2
Pin 3
78
Digital output connector
Ground
Input + 9 V
External contact input, signal = 0 Volt
Ground
Input + 9 V
External contact input, signal = 0 Volt
E
USB connector
RS232 connector