KR940020209A

KR940020209A - Capacity Expansion Circuit for Voice Mail Devices

Info

Publication number: KR940020209A
Application number: KR1019930002995A
Authority: KR
Inventors: 정중연
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1993-02-27
Filing date: 1993-02-27
Publication date: 1994-09-15

Abstract

음성우편장치의 용량 확대 회로에 관한 것이다.A capacity expansion circuit of a voice mail apparatus.

음성우편장치를 모듈단위로 연결하되, 음성데이타를 저장하는 디스크와 상기 디스크제어부 사이의 인터페이스를 위해 SCSI버스를 접속하며, 각 모듈내의 디스크제어부 사이의 인터페이스를 위해 SCSI버스를 접속한다.The voice mail device is connected in a module unit, and a SCSI bus is connected for an interface between a disk storing voice data and the disk controller, and a SCSI bus is connected for an interface between the disk controllers in each module.

Description

Capacity Expansion Circuit for Voice Mail Devices

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

제3도는 본 발명에 따른 음성우편장치의 구성도,3 is a block diagram of a voice mail apparatus according to the present invention;

제4도는 제3도중 SCSI버스 인터페이스 구체 회로도.4 is a detailed circuit diagram of the SCSI bus interface of FIG.

Claims

In a system in which voice mail devices are connected in a module unit, a SCSI bus is connected for an interface between a disk for storing voice data and a disk controller for reading and storing data from or to the disk, and the disk in each module. A capacity expansion circuit for a voice mail apparatus characterized in that a SCSI bus is connected for an interface between control units.

In a system in which voice mail devices are connected in a module unit, a system bus interface unit 47 for receiving a command from the central processing unit 1, and a local unit for controlling a disc according to the command of the central processing unit 1; A central processing unit 41, a ROM 43 for storing various programs executed by the local central processing unit 41, and a RAM 44 for storing data processed by the program or other various data; And a direct memory access control unit 42 for transferring the data through the SCSI bus and the system bus, a disk interface unit 45 for interfacing with the disk, and a disk of another module to access the disk. A capacity expansion circuit for a voice mail apparatus, characterized by comprising an inter-node interface unit 46 for controlling an interface.

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