Optical access system technology to support multimedia service field trials : service field trials in Tachikawa area. CATV video transmission, video-on-demand, telephones and others

NTT is conducting several multimedia trials with the approaching multimedia age in mind. The service field trials conducted in Tachikawa Area as one of such trials presents, CA TV video transmission service, video-on-demand (VOD) and telephone service in combination to subscribers to let them enjoy advanced communication services for general households. Of the optical access system technology applied to this trial for presenting these composite services, this report will introduce the PDS (Passive Double Star) system which mainly presents communication services.