Here we will discuss the benefits of double blocking your layout.
To add all the features of RailCom to your existing block detection.
You can see the decoder address in the actual block. With future JMRI updates you also get reporting for loco Speed, Direction, Fuel & Water Levels, Quality of Service and more.
The below PDF link gives you the settings for the BDL168. These may be altered for different results but some changes such as option #9 will cause the BDL168 to report incorrectly.
See Video Here: Video