KR900011198A - Narrow band subscriber access device - Google Patents

Narrow band subscriber access device Download PDF

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Publication number
KR900011198A
KR900011198A KR1019880016681A KR880016681A KR900011198A KR 900011198 A KR900011198 A KR 900011198A KR 1019880016681 A KR1019880016681 A KR 1019880016681A KR 880016681 A KR880016681 A KR 880016681A KR 900011198 A KR900011198 A KR 900011198A
Authority
KR
South Korea
Prior art keywords
interface means
switching network
subscriber
line end
wire
Prior art date
Application number
KR1019880016681A
Other languages
Korean (ko)
Other versions
KR910005491B1 (en
Inventor
정희찬
오의교
Original Assignee
경상현
재단법인 한국전자통신연구소
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 경상현, 재단법인 한국전자통신연구소 filed Critical 경상현
Priority to KR1019880016681A priority Critical patent/KR910005491B1/en
Publication of KR900011198A publication Critical patent/KR900011198A/en
Application granted granted Critical
Publication of KR910005491B1 publication Critical patent/KR910005491B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/12Arrangements for remote connection or disconnection of substations or of equipment thereof

Abstract

내용 없음No content

Description

협대역 가입자 접속장치Narrow band subscriber access device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 구조에 대한 블록다이아그랩, 제2도는 SLD 프레임 구조도, 제3도는 ST버스 구조도, 제4도는 C채널 및 PR정보신호 발생회로도.1 is a block diagram of a structure of the present invention, FIG. 2 is an SLD frame structure diagram, FIG. 3 is an ST bus structure diagram, and FIG. 4 is a C channel and PR information signal generation circuit diagram.

Claims (3)

가입자 단말과의 접속을 위해 트랜스 포머(T1) 및 상기 트랜스 포머(T1)와 결합된 제1인터페이스 수단으로 이루어진 4선 가입자 선로단부(1), 교환망과의 접속을 위해 트랜스 포머(T2) 및 상기 트랜스 포머(T2)와 결합된 제2인터페이스 수단으로 이루어진 2선 가입자 선로단부(2), 상기 4선 가입자 선로단부 및 상기 2선 가입자 선로단부와 연결되어 있고, 상기 제1인터페이스 수단과 상기 제2인터페이스 수단(20)을 접속하기 위해 시스템 버스를 조정하는 시스템 버스 변환부, 교환망으로부터 공급된 직류전압의 극성에 의해 극성 반전 신호(PR)를 발생시키는 극성전원공급수단(5), 교환망의 데이터 송수신을 위한 데이터 전송용 버스에 C채널 비트를 할당하고, 상기 C채널 비트의 논리(0,1)에 따라 유지 보수를위한 상태를 제어하며, 상기 극성 반전 신호 발생수단으로부터 발생된 극성 반전 신호에 따라 교환망으로부터의 작동(Activation)/비작동(Deactivation)요구를 판독하여 수행하며, 상기 제1인터페이스 수단과는 인터랩트 방식으로 가입자단말과의 상태를 조사하고 그에 따라 작동/비작동 명령을 수행하기 위해, 상기 제1인터페이스 수단, 상기 제2인터페이스수단, 상기 시스템 버스 변환부 및 극성 반전 신호 발생수단과 서로 연결된 제어부(3)로 구성된 것을 특징으로 하는 협대역 가입자 접속장치.Four-wire subscriber line end portion 1 consisting of a transformer T1 for connection with a subscriber station and a first interface means coupled with the transformer T1, a transformer T2 for connection with a switching network, and the A two-wire subscriber line end 2 comprising a second interface means coupled to a transformer T2, connected to the four-wire subscriber line end and the two-wire subscriber line end, the first interface means and the second System bus converter for adjusting the system bus to connect the interface means 20, polarity power supply means 5 for generating a polarity inversion signal (PR) by the polarity of the DC voltage supplied from the switching network, data transmission and reception of the switching network Allocating a C channel bit to a data transmission bus for a control, controlling a state for maintenance according to logic (0, 1) of the C channel bit, and the polarity reversal signal. The activation / deactivation request from the switching network is read and performed according to the polarity reversal signal generated from the live means, and the state of the subscriber terminal is investigated by interlacing with the first interface means. Narrow-band subscriber, characterized in that it comprises a control unit 3 connected to the first interface means, the second interface means, the system bus converter and the polarity reversal signal generating means to perform an operation / deactivation command accordingly. Connection device. 제1항에 있어서, 상기 2선 가입자 선로단부(2)의 제2인터페이스 수단(20)은 2선 전화망 선로에 디지털 전송 기능을 부여하기 위해 교환망과 "2B+D"정보를 금속성 선로를 통해 전 이중방식으로 송수신되도록 이루어진 것을 특징으로 하는협대역 가입자 접속장치2. The second interface means 20 of the two-wire subscriber line end 2 transmits the switching network and the " 2 " + D " information via the metallic line to give a digital transmission function to the two-wire telephone line. Narrow band subscriber access device characterized in that the transmission and reception in a dual manner 제1항에 있어서, 상기 제2인터페이스 수단(20)은 상기 시스템 버스 변환부를 통해 "2B" 채널 정보를 송수신하도록 이루어진 것을 특징으로 하는 협대역 가입자 접속장치.2. The narrowband subscriber access device as claimed in claim 1, wherein the second interface means (20) is configured to transmit and receive channel information of the channel 2 through the system bus converter. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880016681A 1988-12-14 1988-12-14 Apparatus for interface of isdn narrow-banded subscribers KR910005491B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880016681A KR910005491B1 (en) 1988-12-14 1988-12-14 Apparatus for interface of isdn narrow-banded subscribers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880016681A KR910005491B1 (en) 1988-12-14 1988-12-14 Apparatus for interface of isdn narrow-banded subscribers

Publications (2)

Publication Number Publication Date
KR900011198A true KR900011198A (en) 1990-07-11
KR910005491B1 KR910005491B1 (en) 1991-07-31

Family

ID=19280165

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880016681A KR910005491B1 (en) 1988-12-14 1988-12-14 Apparatus for interface of isdn narrow-banded subscribers

Country Status (1)

Country Link
KR (1) KR910005491B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960003227A (en) * 1994-06-24 1996-01-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960003227A (en) * 1994-06-24 1996-01-26

Also Published As

Publication number Publication date
KR910005491B1 (en) 1991-07-31

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