The Architecture of a Subscriber Line Cross-Connecting System for Flexible Access Network

Junji TAKAYAMA  Yasuo OHTSUBO  Kazunari FURUGEN  Ryutaro FUJISHIMA  Makoto IWAMOTO  Hirofumi HORIKOSHI  Ichiro ARITA  

IEICE TRANSACTIONS on Communications   Vol.E79-B    No.12    pp.1833-1838
Publication Date: 1996/12/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Networks and Services
FITL,  cross-connecting system,  MDF,  optical access system,  subscriber line testing system,  

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This paper analyzed the connection points of Main Distribution Frames (MDF), which are installed between outside plants and inside plants (service nodes). This paper also proposes a connecting system for forthcoming FITL (Fiber In The Loop) networks. NTT has developed the Subscriber Line Cross-Connecting Module (LXM) for the FITL network and will continue to introduce LXMs and deploy optic subscriber networks in big cities throughout Japan.