Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
H04J 2203/003

Medium of transmission, e.g. fibre, cable, radio

Full Title

Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07 > Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH > Local loop > Medium of transmission, e.g. fibre, cable, radio

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.