def open_remote(serial_number=-1, server_id=nil, password=nil)
	   Phidgets::FFI::Common.openRemote(@handle, serial_number, server_id, password)
	   true
    end
def open_remote(serial_number=-1, server_id=nil, password=nil)
	   Phidgets::FFI::Common.openRemote(@handle, serial_number, server_id, password)
	   true
    end
Opens a Phidget.

 @param [Integer] serial_number Serial number of the phidget to open, -1 means any.
 @return [Boolean] returns true or raises an error