This book gives you an overview of recent advances in long distance telecommunications and provides an informed outlook on its future evolution. It traces the development of networks from analog to all-digital configurations, describes digital cross-connect systems and their numerous uses, and describes synchronous networks and the use of SONET rings to achieve self-healing networks.
Table of Contents
Network Architecture Evolution. Digital Multiplexing and Transmission. DSO and Substrate Signals. DS1 Signal. DS3 Signal. Synchronization. DCS 1/0 System. DCS 3/1 System. DCS 3/3 System. Network Operations. Survivability with DCS 3/3. SONET. Survivability with SONET Rings. Future Network Services and Technology.