Found fundamental documents related to AXE

http://www.scribd.com/doc/51128207/24/SNT-DIP-CONCEPTS


http://www.scribd.com/doc/57323795/62/Synchronous-Digital-paths-lower-order-path-Quality-Counters


http://www.scribd.com/doc/57323795/64/Quality-counters-for-the-Synchronous-digital-path-multiplex-section

http://www.scribd.com/doc/58617936/67/ET155-1

http://dc162.4shared.com/doc/aKvYFwbM/preview.html