Subscriber access device for narrowband Integrated Services Digital Network (ISDN) in CATV, CATV network and control method thereof

摘要

It is an object of the present invention to provide a subscriber access interface that simplifies the delivery path by providing data to a subscriber through an optical fiber at a distribution center to provide a direct subscriber access interface at a narrowband subscriber connection, And a control method thereof.;The connecting device according to the present invention includes a CPU 25, a frame alignment means 21, a Cv1 control means 23, a PCM control means 22 and an S matching means 24, Is performed by a control program applied to the CPU 25. The control program for the subscriber connection control according to the present invention is described below.