H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 11/04 (2006.01) G06F 11/20 (2006.01) H04L 1/22 (2006.01)
Patent
CA 2234161
The present invention relates to a communications switching system comprising a switching network and a number of access units. The switching network comprises a number of multiplexing arrangements and a number of switching arrangements. In order to provide redundancy in the system, a number of multiplexing and switching arrangements are built together to form a number of combined multiplexing and switching arrangements, and a common protection switching arrangement is arranged to provide protection switching both between access units and multiplexing switching arrangements and between access units and accessing networks.
L'invention concerne un système de commutation de communications comprenant un réseau de commutation et une pluralité d'unités d'accès. Le réseau de commutation comprend une pluralité de dispositifs de multiplexage et une pluralité de dispositifs de commutation. Pour assurer une redondance dans le système, une pluralité de dispositifs de multiplexage et de commutation sont construits ensemble pour former une pluralité de dispositifs combinés de multiplexage et de commutation et un dispositif de commutation de protection commun assure une commutation de protection entre les unités d'accès et les dispositifs de commutation de multiplexage et entre les unités d'accès et les réseaux d'accès.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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