KR970058083A

KR970058083A - Control circuit and test method of T-bus monitoring and relay circuit

Info

Publication number: KR970058083A
Application number: KR1019950048711A
Authority: KR
Inventors: 채영수
Original assignee: 정장호; Lg 정보통신 주식회사
Priority date: 1995-12-12
Filing date: 1995-12-12
Publication date: 1997-07-31

Abstract

본 발명은 T-버스 감시 및 중계 회로의 제어 회로 및 시험 방법에 관한 것으로, 특히 TDX 교환기의 TMRB 보드의 시험을 할 수 있는 T-버스 감시 및 중계 회로의 제어 회로 및 시험 방법에 관한 것으로, T-버스 감시 및 중계 회로(TMRB, 70)와 자동 중계선 시험 회로(ATCB, 10) 사이에 연결되어 디퍼런셜 신호를 TTL 신호로 또는 TTL 신호를 디퍼런셜 신호로 변환시켜 주는 드라이버＆리시버 회로(20)의 입출력 포트를 선택해 주는 포트 입출력 선택 회로(30)와, T-버스 감시 및 중계 회로(TMRB, 70)와 자동 중계선 시험 회로(ATCB, 10) 사이에 연결되어 디퍼런셜 신호를 TTL 신호로 변환시켜 주는 리시버 회로(40)와, 상기 리시버 회로(40)의 입출력 포트를 선택해 주는 경로 선택 회로(50)와, 장애 및 경보를 검출하여 정상 여부를 판단하는 경보 회로(60)로 이루어진다.The present invention relates to a control circuit and a test method of a T-bus monitoring and relay circuit, and more particularly, to a control circuit and a test method of a T-bus monitoring and relay circuit capable of testing a TMRB board of a TDX exchanger. Input / output of the driver and receiver circuit 20 connected between the bus monitoring and relay circuits (TMRB) 70 and the automatic repeater test circuits (ATCB, 10) to convert the differential signals into TTL signals or the TTL signals into differential signals. Port input / output selection circuit 30 for selecting a port, and a receiver circuit connected between the T-bus monitoring and relay circuit (TMRB, 70) and the automatic repeater test circuit (ATCB, 10) to convert the differential signal into a TTL signal. 40, a path selection circuit 50 for selecting an input / output port of the receiver circuit 40, and an alarm circuit 60 for detecting a failure and an alarm and determining whether it is normal.

Description

Control circuit and test method of T-bus monitoring and relay circuit

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

제1도는 본 발명에 따른 T-버스 감시 및 중계 회로의 제어 회로에 대한 블록도,1 is a block diagram of a control circuit of the T-bus monitoring and relay circuit according to the present invention;

제2도는 T-버스 감시 및 중계 회로의 제어 회로의 제어 방법에 대한 순서도이다.2 is a flowchart of a control method of a control circuit of a T-bus monitoring and relay circuit.

Claims

A driver & receiver circuit (20) connected between the T-bus monitoring and relay circuit (TMRB) 70 and the automatic repeater test circuit (ATCB, 10) to convert the differential signal into a TTL signal or a TTL signal into a differential signal; Port input / output selection circuit 30 for selecting input and output ports of the driver and receiver circuit 20 for input and output of data and assert signals, T-bus monitoring and relay circuits (TMRB, 70) and automatic repeater test circuits. A receiver circuit 40 connected between the (ATCB, 10) to convert the differential signal into a TTL signal, a path selection circuit 50 to select an input / output port of the receiver circuit 40, and fault and alarm detection The control circuit of the T-bus monitoring and relay circuit, characterized in that consisting of an alarm circuit for determining whether or not normal.

In the test method of the T-bus monitoring and relay circuit, selecting an item to be checked in the control circuit of the T-bus monitoring and relay circuit (TMRB) 70, and testing the generation of the BRCLK and FRS signals after the above steps. And step by step performing and terminating the fault detection and alarm generation test, the T-bus signal monitoring function test, the T-bus relay function test, and the redundant function test, and the generation of the BRCLK and FRS signals after the above steps. T-bus monitoring and relay, comprising the steps of simultaneously performing the test, fault detection and alarm generation test, T-bus signal monitoring function test, T-bus relay function test, and redundant function test. Test method of the circuit.

※ Note: The disclosure is based on the initial application.