Turning OFF Using ON_N:
G24-L: Asserting the ON_N signal low for a minimum of 2 seconds.
G30: Asserting the ON_N signal low for a minimum of 3 seconds.
Telit G30 can support current of up to 30mA, when in G24-L the current is 150mA.
In G30 input is from module
In G24-L output is from module
