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Sub-Exchange Stations And Push- Button Telephones
(AREA)
Abstract
내용 없음No content
Description
디지탈 키폰시스템의 원격유지보수용 모뎀 연결방식Modem connection method for remote maintenance of digital key phone system
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제3도와 제4도는 본 발명에 따른 모뎀 접속도.3 and 4 are modem connection diagrams in accordance with the present invention.
Claims (2)
트렁크(303) 및 PCM스위치(302)를 포함한 디지탈 키폰시스템의 원격유지보수용 모뎀(301) 연결방식에 있어서, 상기 모뎀(301)에 상기 PCM스위치(302)를 직렬접속하고, 상기 PCM스위치(302)에 상기 트렁크(303)를 직렬접속하며, 상기 트렁크(303)는 국선라인(C. O)에 접속함을 특징으로 하는 접속방식.In the remote maintenance modem 301 connection method of a digital key phone system including a trunk 303 and a PCM switch 302, the PCM switch 302 is serially connected to the modem 301, and the PCM switch ( And a trunk (303) connected in series to the trunk (303), the trunk (303) is connected to a trunk line (C. O).트렁크(404) 및 PCM스위치(403) 및 PCM코딩/디코딩부(402)를 포함한 디지탈 키폰시스템의 원격유지보수용 모뎀칩(401) 연결방식에 있어서, 상기 모뎀칩(401)에 상기 PCM 코딩/디코딩부(402)를 직렬접속하고, 상기 PCM 코딩/디코딩부(402)는 상기 PCM스위치(403)에 직렬 접속하며, 상기 PCM스위치(403)는 트렁크(404)에 직렬접속할 때 트렁크(404)는 국선라인(C. O)과 직렬 접속함을 특징으로 하는 방식.In the connection method of the remote maintenance modem chip 401 of the digital key phone system including the trunk 404 and the PCM switch 403 and the PCM coding / decoding unit 402, the PCM coding / The decoding unit 402 is connected in series, the PCM coding / decoding unit 402 is connected in series with the PCM switch 403, and the PCM switch 403 is connected in series with the trunk 404. Is characterized in that the serial connection with the CO line (C. O).※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900007531A1990-05-241990-05-24
Modem connection method for remote maintenance of digital key phone system
KR910021085A
(en)