公开(公告)号：US3870955A

公开(公告)日：1975-03-11

申请号：US36198673

申请日：1973-05-21

Applicant: ERICSSON TELEFON AB L M

Inventor： OUVRIER GUNTHER

IPC: H04Q11/02 ,  H04J3/14

CPC classification number: H04Q11/02

Abstract: In a telecommunication system having a central control unit and a telecommunication network wherein there are a plurality of stations interconnected by bidirectional primary links used during normal fault free operation and spare sections used when there is a fault in at least one of the primary links and wherein the central control unit initiates the changeover to selected spare sections upon detection of a fault, there is switchover apparatus in at least one of the stations and controlled by the central control unit for switching connections from primary links to space sections utilized by sub-routes.

Abstract translation: 在具有中央控制单元和电信网络的电信系统中，其中存在通过在正常无故障运行期间使用的双向主链路互连的多个站和当至少一个主链路中存在故障时使用的备用区段，并且其中 中央控制单元在检测到故障时启动对所选备用部分的切换，在至少一个站中有切换装置，并由中央控制单元控制，用于切换从主要链路到由子路由使用的空间部分的连接。