Documents ewsd book

CHAPTER 1 Objective: Introduction Upon completion of this lesson, you will have an overview of architecture, application capabilities and features of the EWSD. You will be…

Documents ALU Switch

5ESS EXCHANGE SYSTEM Basic characteristics/Functions of the 5ESS-2000 Switch Overview :- The 5ESS-2000 Switch is a digital exchange that can serve as a local(lines), toll(trunks),…