发明名称 |
SKYDDSKOPPLINGSANORDNING I ETT TIDMULTIPLEXT TELEKOMMUNIKATIONS-KOPPLINGSSYSTEM |
摘要 |
Slana-Vaughan 14-29 TIME SLOT INTERCHANGE WITH PROTECTION SWITCHING Time-slot interchange circuitry for use in a time-division switching system is disclosed having n+l input interface units and n+l output interface units to serve n PCM lines. One of each group of n+l interface units is designated a spare unit and control circuitry is disclosed for autonomously channeling incoming data words or outgoing data words through a spare unit and for autonomously altering the control for the spare unit in the event of failure of a unit in service. |
申请公布号 |
SE437321(B) |
申请公布日期 |
1985.02.18 |
申请号 |
SE19790005437 |
申请日期 |
1979.06.20 |
申请人 |
WESTERN ELECTRIC COMPANY INCORPORATED |
发明人 |
M F * SLANA;H E * VAUGHAN |
分类号 |
H04M3/22;H04Q11/04;(IPC1-7):H04M3/22;H04J3/14 |
主分类号 |
H04M3/22 |
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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