| 摘要 |
S-bus structure for ISDN network, which comprises an S-bus with four conductors 3a, 3b, 4a, 4b which connect a network terminal NT to one or more terminal devices TE. The S-bus is provided with functions independent of ISDN signals by different points of the S-bus connecting at least two devices 21a-21c, 22-24, which provide an artificial connection via the S-bus. <IMAGE>
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