DIGITAL CATV SYSTEM COMPRISING SMALL DISTRIBUTION CENTERS

摘要

a head end sub-system (41); a central station sub-system (42) connected to the head end sub-system (41) through digital optical transmission and connected to the external public communication network exchanger; a number of small distribution center sub-systems (43a-43n) connected to the central station sub-system (42) through digital optical transmission; and a number of subscriber terminals (44)(45) connected to the small distribution center sub-systems (43a-43n) via a co-axial or optical cable.