These documents and scripts provide details and labeling schemes for the ECal front end electronics. The script ECal_PMT_Info.ipynb can be run from the command line as "ipython ECal_PMT_Info.ipynb and will produce an image of the ECal in a browser with connection and logical information for each PMT that appears as you hover over with the mouse. Also included are scripts for making diagrams of the detector sums of 8 and 32 as well as the supermodules. See also document 333 for more files.