发明名称 |
Distributed switching system having at least one module |
摘要 |
A switching system for integratedly switching voice, data, image information and the like. The switching system comprises a plurality of front-end modules each adapted to perform a switching processing in association with a subscriber line or a trunk line, and a single or a plurality of central modules for interconnecting the plurality of front-end modules in star-type fashion and switching information prevailing between the front-end modules, in unit of block accommodating the information and a header added thereto to contain connection control information and in accordance with the contents of the header. The front-end modules are connected to the central module via inter-module highways each having frames occurring at a predetermined period and time slots contained in each frame to carry blocks.
|
申请公布号 |
US5513177(A) |
申请公布日期 |
1996.04.30 |
申请号 |
US19910654590 |
申请日期 |
1991.02.13 |
申请人 |
HITACHI, LTD. |
发明人 |
SAKURAI, YOSHITO;GOHARA, SHINOBU;OHTSUKI, KENICHI;KATO, TAKAO;KUWAHARA, HIROSHI;AMADA, EIICHI |
分类号 |
H04L12/54;H04L12/56;H04L12/64;H04Q11/04;H04Q11/06;(IPC1-7):H04Q11/04 |
主分类号 |
H04L12/54 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|