Cross-connect System with Packet Transport Technology.

The article discusses the development of a Packet Transport Multiplexer (PTM) link system by Nippon Telegraph and Telephone Corporation (NTT) Network Service Systems Laboratories. Topics explored include the integration of signal degradation detection technology in the PTM, the possible use of this system for addressing Internet Protocol (IP) and public switched telephone network (PSTN)-related traffic, and the energy consumption expected from the PTM.