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DIFF Subgroup
H04L 12/16

Arrangements for providing special services to substations

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Data switching networks > Details > Arrangements for providing special services to substations

CPC:

Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > Details > Arrangements for providing special services to substations

Of 2 combined children, 1 exist in both systems.

1 codes exist only in IPC.

IPC defines codes here since 1990.

Child Classifications

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  • H04L 12/2 for converting transmission speed from the inherent speed of a substation to the inherent speed of other substations since 1990 IPC only IPC only