Interconnection of switching modules

Introduced: January 2022

Full Title

Packet switching elements > Interconnection of switching modules

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 2022.

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H04L 49/1507 CPC only CPC only
H04L 49/1515 Non-blocking multistage, e.g. Clos since 2022 +2 CPC IPC+CPC Available in IPC and CPC
H04L 49/1553 +5 CPC CPC only CPC only