CPC Subgroup Additional Only
H04J 2203/0025 Peripheral units
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 > Switching fabrics, e.g. transport network, control network > Peripheral units