The system also provides for setting of EDU limit positions and assignment of EDUs to {HEAD ~ keypad controllers} from the keypad controllers or {TAIL ~ CCIs} 
The system also provides for setting of EDU limit positions and assignment of EDUs to { HEAD ~ keypad controllers } from the keypad controllers or { TAIL ~ CCIs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL