string SerialNum
This read-only property retrieves the serial number of the ETH32 device in string format as it is printed on the device.
This property is a string. Its value is the string representation of the device's serial number.
The serial number is made up of several components and arranged as follows:
(productid)-(batch)(unit)
where:
productid is a number identifying the product type/model. This number is returned by the ProductID Property.
batch is the batch number formatted as two letters. 1 becomes AA, 2 becomes AB, etc.
unit is the unit number, zero padded to 3 digits if necessary.