KR900014999A - Interface method between private exchange and external computer system - Google Patents

Interface method between private exchange and external computer system Download PDF

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Publication number
KR900014999A
KR900014999A KR1019890004107A KR890004107A KR900014999A KR 900014999 A KR900014999 A KR 900014999A KR 1019890004107 A KR1019890004107 A KR 1019890004107A KR 890004107 A KR890004107 A KR 890004107A KR 900014999 A KR900014999 A KR 900014999A
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KR
South Korea
Prior art keywords
message
data
transmitting
computer system
receiving
Prior art date
Application number
KR1019890004107A
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Korean (ko)
Other versions
KR910005384B1 (en
Inventor
최형운
Original Assignee
강진구
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.)
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Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890004107A priority Critical patent/KR910005384B1/en
Publication of KR900014999A publication Critical patent/KR900014999A/en
Application granted granted Critical
Publication of KR910005384B1 publication Critical patent/KR910005384B1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

내용 없음.No content.

Description

사설교환기와 외부 컴퓨터 시스템간의 인터페이스방법Interface method between private exchange and external computer system

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

제2도는 본 발명이 적용되는 시스템구성도,2 is a system configuration to which the present invention is applied,

제3도는 본 발명을 실시하기 위한 메시지 포맷구성도,3 is a message format configuration diagram for implementing the present invention;

제4도-제6도는 본 발명의 흐름도.4 through 6 are flow charts of the present invention.

Claims (3)

사설교환기와 외부 컴퓨터 시스템간의 인터페이스를 위한 메시지 송신방법에 있어서, ENQ를 전송하고 소정설정시간 동안 긍정응답 수신여부를 체크하는 제1과정과, 긍정응답 수신시 전송할 메시지를 포메팅하는 제2과정과, 포맷된 메시지를 전송하는 제3과정과, 메시지 전송후 소정 설정시간 동안 상대편 시스템으로부터 응답을 수신하여 부정응답일시 해당 메시지를 재 전송하는 제4과정으로 이루어짐을 특징으로 하는 방법.A message transmission method for an interface between a private exchange and an external computer system, the method comprising: a first process of transmitting an ENQ and checking whether an acknowledgment is received for a predetermined set time; And a fourth process of transmitting a formatted message and a fourth process of receiving a response from the opposite system for a predetermined time after transmitting the message and retransmitting the corresponding message at the time of a negative response. 사설교환기와 외부 컴퓨터 시스템간의 인터페이스를 위한 메시지 수신방법에 잇어서, 메시지 데이타를 수신하여 버퍼링하는 제1과정과, 수신데이타를 변환하는 (A-0) 제2과정과, 상기 제2과정 수행후 수신 데이타를 논리조합하여 체크섬 데이타를 계산하는 제3과정과, 상기 제3과정 수행후 계산된 체크섬 데이타와 수신된 체크섬 데이타를 비교하는 제4과정과, 상기 체크섬 비교결과 일치할 시에는 긍정응답을 전송하고 리텀하며 일치하지 않을시에는 부정응답을 전송하고 리턴하는 제5과정으로 이루어짐을 특징으로 하는 방법.In a message receiving method for an interface between a private exchange and an external computer system, a first process of receiving and buffering message data, a second process of converting received data (A-0), and receiving after performing the second process A third step of calculating checksum data by logical combination of the data, a fourth step of comparing the checksum data and the received checksum data calculated after performing the third step, and transmitting an affirmative response when the checksum comparison result is matched. And a fifth step of transmitting and returning a negative response when the result is non-referring. 제1항에 있어서, 메시지 포메팅 과정이 데이타를 변환하는 제1과정과 메시지 카운터를 생성하는 제2과정과, 필요한 데이타를 버퍼링하는 제3과정과, 체크섬 데이타를 생성하는 제4과정으로 이루어짐을 특징으로 하는 방법.The method of claim 1, wherein the message formatting process comprises a first process of converting data, a second process of generating a message counter, a third process of buffering necessary data, and a fourth process of generating checksum data. How to feature. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890004107A 1989-03-30 1989-03-30 Interfaing method between external computer system and private exchanger KR910005384B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890004107A KR910005384B1 (en) 1989-03-30 1989-03-30 Interfaing method between external computer system and private exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890004107A KR910005384B1 (en) 1989-03-30 1989-03-30 Interfaing method between external computer system and private exchanger

Publications (2)

Publication Number Publication Date
KR900014999A true KR900014999A (en) 1990-10-25
KR910005384B1 KR910005384B1 (en) 1991-07-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890004107A KR910005384B1 (en) 1989-03-30 1989-03-30 Interfaing method between external computer system and private exchanger

Country Status (1)

Country Link
KR (1) KR910005384B1 (en)

Also Published As

Publication number Publication date
KR910005384B1 (en) 1991-07-29

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