Introduction
The contents of a TextMessage containing data to give to a third-party IOX Add-On over an RS232. The SerialIoxContent is a 'dumb pipe' type of message. Whatever data is put in the data property will be delivered, as is, to the system on the other end of the IOX-RS232.
Properties

Channel

The channel the IoxAddOn is communicating over. 0 means the Add-On is not attached.

ContentType

The type of message. See MessageContentType.

Data

The data to send to the IoxAddOn. Up to 235 bytes can be sent.