| 摘要 |
PCT No. PCT/GB95/01133 Sec. 371 Date Feb. 28, 1997 Sec. 102(e) Date Feb. 28, 1997 PCT Filed May 19, 1995 PCT Pub. No. WO95/32596 PCT Pub. Date Nov. 30, 1995An integrated broadband and narrowband access arrangement, includes a multiplexed ATM adapter and an ATM core. The ATM core terminates a broadband access system and a narrowband access system whereby to deliver ATM cells to a SDH/ATM trunk or to the adapter. The services comprising the narrowband system are terminated each by a respective adapter providing an individual virtual circuit connection to the multiplexed adapter. The narrowband services within that virtual circuit having permanently assigned time slots whereby to retain time slot sequence integrity throughout the adaptation process. |
