KR940013026A - Test circuit of digital telephone - Google Patents
Test circuit of digital telephone Download PDFInfo
- Publication number
- KR940013026A KR940013026A KR1019920021806A KR920021806A KR940013026A KR 940013026 A KR940013026 A KR 940013026A KR 1019920021806 A KR1019920021806 A KR 1019920021806A KR 920021806 A KR920021806 A KR 920021806A KR 940013026 A KR940013026 A KR 940013026A
- Authority
- KR
- South Korea
- Prior art keywords
- digital telephone
- digital
- interface
- circuit
- signal
- Prior art date
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- Monitoring And Testing Of Exchanges (AREA)
Abstract
디지탈전화기의 시험을 하기 위한 본 발명은 시스템의 전반적인 동작을 총괄적으로 제어하기 위한 마이크로컴퓨터(1)와, U인터페이스 디지탈전화기로 부터 디지탈 신호를 받아 스위치시켜주는 DTCS(6)와, U인터페이스 디지탈 전화기와 인터페이스 하기 위한 DNIC(3)와, 통신 프로토콜에 사용되고 전송의 신뢰성을 확보하기 위한 HDLC 프로토콜 컨트롤러(2)와, 각 회로의 동기신호와, 클럭에 사용되는 타이밍 발생부(9)와 링신호와 화중음 및 다이얼톤을 공급하는 톤공급부(10)와, 기존의 아날로그 망으로 부터 아날로그 신호를 받아 디지탈 신호로 변환시켜주는 콤보코덱회로(7)와, 데이터를 주고받는 내용을 RS232C커넥터를 통해 모니터링 해주는 MPSC(11)를 가진다.The present invention for testing digital telephones includes a microcomputer (1) for controlling the overall operation of the system, a DTCS (6) for receiving and switching digital signals from a U interface digital telephone, and a U interface digital telephone. A DNIC (3) for interfacing with the controller, an HDLC protocol controller (2) used for a communication protocol to secure transmission reliability, a synchronization signal of each circuit, a timing generator (9) used for a clock, and a ring signal; Tone supply unit (10) for supplying ring tone and dial tone, combo codec circuit (7) that receives analog signal from existing analog network and converts it into digital signal, and monitors the data exchanged through RS232C connector. Has an MPSC (11).
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명에 따른 시험 회로의 블록도,1 is a block diagram of a test circuit according to the invention,
제2, 3, 4도는 본 발명의 시험에 적용되는 데이터 포맷도.2, 3, and 4 are data format diagrams applied to the test of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920021806A KR940013026A (en) | 1992-11-19 | 1992-11-19 | Test circuit of digital telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920021806A KR940013026A (en) | 1992-11-19 | 1992-11-19 | Test circuit of digital telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
KR940013026A true KR940013026A (en) | 1994-06-24 |
Family
ID=67211024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920021806A KR940013026A (en) | 1992-11-19 | 1992-11-19 | Test circuit of digital telephone |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940013026A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100453694B1 (en) * | 2002-11-11 | 2004-10-22 | 엘지전자 주식회사 | Method of Detecting State of Connection between Switching System and Digital Terminal |
KR100684422B1 (en) * | 2000-12-18 | 2007-02-16 | 주식회사 케이티 | Method for processing packet call of MFC in a digital PBX |
-
1992
- 1992-11-19 KR KR1019920021806A patent/KR940013026A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100684422B1 (en) * | 2000-12-18 | 2007-02-16 | 주식회사 케이티 | Method for processing packet call of MFC in a digital PBX |
KR100453694B1 (en) * | 2002-11-11 | 2004-10-22 | 엘지전자 주식회사 | Method of Detecting State of Connection between Switching System and Digital Terminal |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Withdrawal due to no request for examination |