发明名称 |
Anordning, system och förfarande för att omkoppla plesiokrona,hierarkiska digitala trafiksignaler |
摘要 |
A switching arrangement for switching plesiochronous hierarchical digital traffic signals is provided. The arrangement includes a synchronous switching matrix with a number of input ports and output ports. Each input port may be connected to anyone of the output ports. The switching matrix uses a unitary reference clock with a frequency for synchronizing and clocking the traffic signals such that signals of at least two different hierarchical levels can be switched. Also presented is a system and a method for switching plesiochronous hierarchical digital traffic signals using a synchronous switching matrix for switching signals having at least two different hierarchical levels. An asynchronous switching means is provided for switching higher hierarchical level signals. |
申请公布号 |
SE516177(C2) |
申请公布日期 |
2001.11.26 |
申请号 |
SE19990003222 |
申请日期 |
1999.09.10 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON |
发明人 |
LARS-GOERAN *DAVIDSSON;JOHAN *MELLGREN |
分类号 |
H04L12/64;(IPC1-7):H04J3/16;H04Q11/04 |
主分类号 |
H04L12/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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