Development of AXE for New and Very Demanding Transit/Tandem Switching Applications

摘要

All over the world, high-capacity optical fibres and synchronous digital transmission equipment are being installed in order to rationalise rapidly growing telecommunications networks. Switching nodes that interconnect the new high-capacity transmission links must fulfil very demanding capacity requirements. AXE responds to this situation by the introduction of two new state-of-the-art system components. A new group switch - GS-128K - more than doubles the maximum number of ports to 143,000, and a new version of the control system - APZ 212 20 - increases the call handling capacity of AXE four times. The authors describe how these new AXE components may be used to design cost-effective, simple, flexible and powerful local and long-distance networks for the future.