@ooijenf writes:

I found a document from Bose to control my music center through the serial interface on the back of the device, so now I am trying to connect my Bose through an ESP8266 to my network. The document is called: CD20_Serial_Control_Rev4.pdf an can be found a/o at this link: http://www.eserviceinfo.com/index.php?what=search2&searchstring=CD20_Serial_Control_Rev4.pdf

The document says:

Lifestyle 20, Lifestyle 25, and Lifestyle 30 share a common music center known
internally at Bose as CD20. This document describes how to control CD20 using its
RS232 serial port.
2.0 Introduction: The CD20 serial port is used for several different purposes, some of which
have different protocols. To accommodate the various uses and protocols, there are
seven different serial port modes. (See Table 1) Of the seven modes, only the TAP (Test
Access Port) mode should be used for CD20 control in consumer applications.

Due to lack of a compatible system I will not implement this, but pull requests are welcome.