Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics

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 > Topology > Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics