Title :
Design and performance of a novel automatic fiber line testing system with OTDR for optical subscriber loops
Author :
Tomita, Nobuo ; Takasugi, Hidetoshi ; Atobe, Naoyuki ; Nakamura, Ikuo ; Takaesu, Fumio ; Takashima, Seiji
Author_Institution :
R&D Center, NTT Telecommun. Field Syst., Ibaraki, Japan
fDate :
5/1/1994 12:00:00 AM
Abstract :
This paper proposes architecture for a novel automatic fiber line testing system with an optical time-domain reflectometer (OTDR) and describes the system requirements, the design method, and the system evaluation. The results of a trial on a manufactured system and an evaluation of its characteristics are presented with evidence that an in-service optical fiber can be tested with no degradation in communication quality and the desired measurement accuracy and system component characteristics can be realized. In addition, it is confirmed that a failure between an optical fiber cable and a digital service unit (DSU) can be identified with 100% accuracy
Keywords :
optical cables; optical fibre testing; optical links; optical time-domain reflectometry; subscriber loops; OTDR; architecture; automatic fiber line testing system; communication quality; design method; digital service unit; failure; in-service optical fiber; manufactured system; measurement accuracy; optical fiber cable; optical subscriber loops; optical time-domain reflectometer; system component characteristics; system evaluation; system requirements; Automatic testing; Circuit testing; High speed optical techniques; Optical design; Optical fiber cables; Optical fiber devices; Optical fiber subscriber loops; Optical fiber testing; Optical network units; System testing;
Journal_Title :
Lightwave Technology, Journal of
