... the centraloffice and downstream to the access terminal. Also, the connector ports available at the distribution hub enablequalification testing of the distribution cabling duringturn-up of ... the OSP enclosure and connected directly to an OLT in the central office. Each of the fourfibers leaving the 1x4 splitter is routed to an access terminal housing another splitter,either a 1x4 or ... However, the savings on cabling costsmay not outweigh the benefits of easier testing, moreflexibility, and lower signal loss. Another argument for cascaded splitters deals with the benefit of saving...