KR930001613A - Loopback Control Circuit of Transmitter - Google Patents

Loopback Control Circuit of Transmitter Download PDF

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Publication number
KR930001613A
KR930001613A KR1019910009653A KR910009653A KR930001613A KR 930001613 A KR930001613 A KR 930001613A KR 1019910009653 A KR1019910009653 A KR 1019910009653A KR 910009653 A KR910009653 A KR 910009653A KR 930001613 A KR930001613 A KR 930001613A
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KR
South Korea
Prior art keywords
signal
converter
optical
dtmf
command
Prior art date
Application number
KR1019910009653A
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Korean (ko)
Inventor
조영수
Original Assignee
정용문
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910009653A priority Critical patent/KR930001613A/en
Publication of KR930001613A publication Critical patent/KR930001613A/en

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Abstract

내용 없음No content

Description

전송 장치의 루프백 제어회로Loopback Control Circuit of Transmitter

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 블럭도.1 is a block diagram of the present invention.

제2도는 제1도중 송신부의 구성도.2 is a block diagram of the transmitter of FIG.

제7도는 제1도중 수신부의 구성도.7 is a block diagram of the receiver of FIG.

제9도는 제1도중 제어로직부의 구체회로도.9 is a detailed circuit diagram of the control logic unit in FIG.

Claims (2)

디지탈 전송장치에 있어서, 국 주소 혹은 명령 코드 지정 상태에 따라 소정의 DTMF신호를 발생하는 송신부(1혹은 20)와, 데이타 발생기로부터 입력되는 송신 데이타(TD)와 DTMF신호를 선택적으로 출력하는 멀티 플랙서(2)와, 상기 중계기(200)로부터 수신되는 광신호를 전기신호로 변환하는 광전변환기 (6)와, DTMF신호를 복호하여 호출 명령 수신 신호 및 루프백 명령신호를 발생하는 수신부(4)와, 상기 광전 변화된 신호를 데이타 분석기(도시하지 않았음)와 상기 수신부(4)로 전송하는 디멀티플랙서(3)와, 상기 루프백 명령신호의 상태에 따라 상기 광전변환기(6) 출력 혹은 상기 멀티플랙서(2) 출력을 상기 선택하는 스위치(SW1)와, 상기 스위치(SW1)으로부터 공급되는 전기신호를 광신호로 변환하여 상기 중계기(2OO)로 전송하는 전광변환기(5)로 이루어진 제1단국(100)과, 상기 제1단국(100)과 동일한 구성을 갖는 제2단국(120)과, 송신부(14)와 수신부(9)와 양쪽 단국(100,110)과 각각 연결된 광전변환기(7,10) 및 전광 변환기(8,12)와, 상기 광전 변환기(7)로부터 입력된 신호를 상기 수신부(9)로 출력하거나 상기 전광변환기(8) 혹은 전광변환기(12)로 출력하는 신호 전달부(10)와, 상기 광전변환기(13)와 상기 송신부(14)로부터 입력되는 신호 상기 전광변환기 (8,12) 혹은 상기 수신부(9)로 출력하는 신호전달부(10)와, 상기 수신부(9)로부터 발생되는 루프백 명령 신호의 상태에 따라 상기 두 신호 전달부(10,11) 혹은 상기 광전변환기(7)의 출력중 하나를 선택적으로 상기 전광변환기 (8)로 전달하는 스위치(SW2)와, 상기 루프백 명령신호의 상태에 따라 상기 두 신호 전달부(10,11) 혹은 상기 광전변환기(13)의 출력중 하나를 선택적으로 상기 전광변환기(12)로 전달하는 스위치(SW2)로 이루어진 중계기(200)로 구성됨을 특징으로 하는 전송장치의 루프백 제어회로.1. A digital transmission apparatus, comprising: a transmitter (1 or 20) for generating a predetermined DTMF signal according to a station address or command code designation state, and a multi-flag for selectively outputting transmission data (TD) and DTMF signals input from a data generator. A processor 2, a photoelectric converter 6 for converting an optical signal received from the repeater 200 into an electrical signal, a receiver 4 for decoding a DTMF signal and generating a call command reception signal and a loopback command signal; And a demultiplexer (3) for transmitting the photoelectrically changed signal to a data analyzer (not shown) and the receiving unit (4), and the output of the photoelectric converter (6) or the multi according to the state of the loopback command signal. A first stage comprising a switch SW1 for selecting the output of the flexor 2 and an all-optical converter 5 for converting an electrical signal supplied from the switch SW1 into an optical signal and transmitting the optical signal to the repeater 200 (100) A second end station 120 having the same configuration as the first end station 100, a photoelectric converter 7, 10 and an all-optical converter 8 and 12, a signal transmission unit 10 for outputting a signal input from the photoelectric converter 7 to the receiver 9 or to the all-optical converter 8 or the all-optical converter 12, and the photoelectric. Signals input from the converter 13 and the transmitter 14 The signal transmitter 10 outputted to the all-optical converters 8 and 12 or the receiver 9 and a loopback command signal generated from the receiver 9 A switch (SW2) for selectively transferring one of the outputs of the two signal transmission units (10, 11) or the photoelectric converter (7) to the all-optoelectric converter (8) and the state of the loopback command signal Accordingly, one of the outputs of the two signal transmitters 10 and 11 or the photoelectric converter 13 may be selectively used. Loop-back control of the transport device, characterized by consisting of a repeater 200 is made of a switch (SW2) to pass to the vent (12) circuit. 제1항에 있어서, 송신부(1,14,20)가 국주소 혹은 명령 코드를 지정하기 위한 지정부(21)와, 상기 국주소 혹은 명령코드의 지정상태를 표시하는 표시부(22)와, 상기 국주소 혹은 명령 코드의 지정상태를 DTMF신호로 출력하는 DTMF발생기(23)와, 상기 DTMF신호를 디지탈 형태로 변환하는 아날로그/디지탈 변환부(24)로 구성됨을 특징으로 하는 전송장치의 루프백 제어회로.The display unit (22) according to claim 1, wherein the transmission units (1, 14, 20) designate a designation unit (21) for designating a station address or command code, a display unit (22) for displaying a designation state of the station address or command code; A loopback control circuit of a transmission device comprising a DTMF generator 23 for outputting a designated state of a station address or command code as a DTMF signal, and an analog / digital converter 24 for converting the DTMF signal into a digital form. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910009653A 1991-06-12 1991-06-12 Loopback Control Circuit of Transmitter KR930001613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910009653A KR930001613A (en) 1991-06-12 1991-06-12 Loopback Control Circuit of Transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910009653A KR930001613A (en) 1991-06-12 1991-06-12 Loopback Control Circuit of Transmitter

Publications (1)

Publication Number Publication Date
KR930001613A true KR930001613A (en) 1993-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910009653A KR930001613A (en) 1991-06-12 1991-06-12 Loopback Control Circuit of Transmitter

Country Status (1)

Country Link
KR (1) KR930001613A (en)

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