KR970058096A

KR970058096A - Test Unit of Global Position System Clock Distribution Board

Info

Publication number: KR970058096A
Application number: KR1019950061449A
Authority: KR
Inventors: 강연종
Original assignee: 정장호; Lg 정보통신 주식회사
Priority date: 1995-12-28
Filing date: 1995-12-28
Publication date: 1997-07-31
Also published as: KR100222678B1

Abstract

본 발명은 글로벌 포지션 시스템 클럭 분배 보드의 시험 장치에 관한 것으로, 보다 상세하게는 이동 통신 교환기의 구성 품인 글로벌 포지션 시스템 클럭 분배 보드에 있어서 분배되는 모든 클럭의 출력을 시험하여 분배 보드의 신뢰성 및 생산성을 향상시킬 수 있는 글로벌 포지션 시스템 클럭 분배 보드의 시험 장치에 관한 것으로, 글로벌 포지션 시스템(6)으로부터 수신한 클럭을 다수의 출력 포트로 분배하여 출력해 주는 클럭 분배 보드(8)와, 상기한 클럭 분배 보드(8)를 인에이블시켜 클럭이 분배되도록 하는 프로세서 보드(4)와, 상기한 클럭 분배 보드(8)로부터 출력되는 각 클럭의 주파수를 카운트할 수 있는 주파수 카운터(7)와, 상기한 클럭 분배 보드(8)의 다수의 출력 포트 중에서 시험하고자 하는 포트의 출력을 인에이블시켜 주는 제어 보드(1)와, 상기한 클럭 분배 보드(8)의 시험하고자 하는 출력 포트를 선택할 수 있는 제어 패드(2)로 구성된다.The present invention relates to a test apparatus for a global position system clock distribution board, and more particularly, to test the output of all clocks distributed in a global position system clock distribution board, which is a component of a mobile communication exchange, to improve reliability and productivity of a distribution board. A test apparatus for a global position system clock distribution board, which can be improved, includes a clock distribution board (8) for distributing and outputting a clock received from a global position system (6) to a plurality of output ports, and the clock distribution described above. A processor board (4) which enables the board (8) to distribute clocks, a frequency counter (7) capable of counting the frequency of each clock output from the clock distribution board (8), and the clock Control board (1) to enable the output of the port to be tested among a plurality of output ports of the distribution board (8) and The control pad 2 selects the output port of the clock distribution board 8 to be tested.

Description

Test Unit of Global Position System Clock Distribution Board

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

제2도는 본 발명에 따른 글로벌 포지션 시스템 클럭 분배 보드의 시험 장치의 블록도.2 is a block diagram of a test apparatus of a global position system clock distribution board according to the present invention.

제3도는 제2도의 제어 모드 및 제어 패드의 상세 블록도이다.3 is a detailed block diagram of the control mode and control pad of FIG.

Claims

The clock distribution board of the mobile communication switch that distributes the received standard clock to the necessary equipment or devices for the global position system to send the standard time and clock extracted from the data received from the satellite to the base station and the terminal of the mobile subscriber near the base station. A test apparatus capable of testing a circuit comprising: a clock distribution board (8) for distributing and outputting a clock received from a global position system (6) to a plurality of output ports, and the clock distribution board (8) described above. The processor board 4 enabling the clock to be distributed, the frequency counter 7 capable of counting the frequency of each clock output from the clock distribution board 8, and the clock distribution board 8. Test of the control board 1 and the clock distribution board 8 mentioned above which enable the output of the port to test among a plurality of output ports. A global position measuring apparatus of the system clock distribution board, characterized in that a control pad (2) to select the output port to wish.

3. The receiver of claim 2, wherein the control board 1 receives a clock output from a plurality of output ports of the clock distribution board 8 and converts a clock having a differential level into a TTL level and outputs the plurality of receivers. (15), a plurality of buffers (14) for storing each clock received through the receiver (15), and a brown IC (11) capable of enabling the outputs of the plurality of buffers (14), respectively. And a clock check circuit 13 for checking whether a clock output from among the plurality of buffers 14 enabled and output by the gal IC 11 is normal. Test device for clock distribution board.

The clock state display unit of claim 1, wherein the control pad 2 displays a state of a clock checked by the clock check circuit 13 among the plurality of output clocks of the clock distribution board 8 in a normal state. (25, 26), a port selection switch 21 for selecting a port to be checked from among a plurality of output ports output from the clock distribution board 8, and the port selection switch 21 selected by the port selection switch 21 described above. Segment 23 and segment drive 22 indicating an output port and the frequency count terminal 27 to which an output port to be checked among the plurality of output ports can be connected using the frequency counter 7 described above. Test apparatus for a global position system clock distribution board, characterized in that the configuration.

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