公开(公告)号：EP0886924A1

公开(公告)日：1998-12-30

申请号：EP96940068

申请日：1996-12-11

Applicant: IBM

Inventor： HERKERSDORF ANDREAS ,  LEMPPENAU WOLFRAM ,  VAN AS HARMEN R

IPC: G11B20/10 ,  G11B20/12 ,  G11B20/14 ,  G11B27/10 ,  G11B27/30 ,  G11B27/32 ,  H04J3/00 ,  H04J3/06 ,  H04J3/08 ,  H04Q11/04

CPC classification number: G11B20/1202 ,  G11B27/107 ,  G11B27/3027 ,  G11B27/322 ,  G11B2220/93 ,  H04J3/0614 ,  H04J3/085 ,  H04J2203/0012 ,  Y10S370/907

Abstract: In a communication network for transferring signals, e.g. according to the SONET or SDH standards, interconnecting node devices are provided consisting of parallel processing modules (9-T, 9-R). A plurality of processing modules with first and second interfaces rearrange/insert/extract tributary signals and configurable multiplexing/demultiplexing means enable each processing module to access any portion of an arbitrarily preselected tributary signal. In a SONET/SDH system, signals between SONET/SDH frames are rearranged on incoming (20) and outgoing (26) main lines = Digital Cross-Connect, or tributary signals are transferred between frames and local lines (16-i-T, 16-i-R) = Add/Drop Function. The invention provides configurable multiplexing/demultiplexing means (22-i, 24-i, 28-i, 30-i) which allow the processing modules to have access to any tributary signals in said frames, thus enabling digital cross-connect and add/drop operations without completely demultiplexing or disassembling frames. In a preferred embodiment, the configurable multiplexing/demultiplexing means includes a pipeline arrangement (22-i, 24-i) connected to all processing modules (9-T, 9-R).

公开(公告)号：DE69637727D1

公开(公告)日：2008-12-04

申请号：DE69637727

申请日：1996-12-11

Applicant: IBM

Inventor： HERKERSDORF ANDREAS ,  LEMPPENAU WOLFRAM ,  VAN AS HARMEN R

IPC: G11B20/10 ,  H04J3/06 ,  G11B20/12 ,  G11B20/14 ,  G11B27/10 ,  G11B27/30 ,  G11B27/32 ,  H04J3/00 ,  H04J3/08 ,  H04Q11/04

Abstract: In a communication network for transferring signals, e.g. according to the SONET or SDH standards, interconnecting node devices are provided consisting of parallel processing modules (9-T, 9-R). A plurality of processing modules with first and second interfaces rearrange/insert/extract tributary signals and configurable multiplexing/de-multiplexing components enable each processing module to access any portion of an arbitrarily preselected tributary signal. In a SONET/SDH system, signals between SONET/SDH frames are rearranged on incoming (20) and outgoing (26) main lines=Digital Cross-Connect, or tributary signals are transferred between frames and local lines (16-i-T, 16-i-R)=Add/Drop Function. The system provides configurable multiplexing/de-multiplexing components (22-i, 24-i, 28-i, 30-i) which allow the processing modules to have access to any tributary signals in said frames, thus enabling digital cross-connect and add/drop operations without completely demultiplexing or disassembling frames. In a preferred embodiment, the configurable multiplexing/demultiplexing component includes a pipeline arrangement (22-i, 24-i) connected to all processing modules (9-T, 9-R).