| 摘要 |
PCT No. PCT/DE92/00216 Sec. 371 Date Sep. 21, 1993 Sec. 102(e) Date Sep. 21, 1993 PCT Filed Sep. 19, 1992 PCT Pub. No. WO92/17037 PCT Pub. Date Oct. 1, 1992.A number of peripheral controllers are connected to a PCM highway used exclusively for switching through signalling and packet data. Each controller has a counter indicating the usage factor. If the usage of one controller is too high, the next controller is activated. |
