JPS6457534U

JPS6457534U -

Info

Publication number: JPS6457534U
Application number: JP15157787U
Authority: JP
Priority date: 1987-10-02
Filing date: 1987-10-02
Publication date: 1989-04-10

Description

[Brief explanation of the drawing]

第１図はこの考案による実施例の構成図である
。１……端子、２……受信回路、３……ＲＯＭ書
込手段、４……ＲＯＭ、５……ハードウエア、６
……ＲＯＭ読出手段、７……送信回路、８……端
子、１０……装置、１１……端子、１２……受信
回路、１３……ＲＯＭ書込手段、１４……ＲＯＭ
、１５……ハードウエア、１６……ＲＯＭ読出手
段、１７……送信回路、１８……端子、２０……
予備装置、２１……ケーブル。 FIG. 1 is a block diagram of an embodiment according to this invention. 1... terminal, 2... receiving circuit, 3... ROM writing means, 4... ROM, 5... hardware, 6
...ROM reading means, 7 ... Transmission circuit, 8 ... Terminal, 10 ... Device, 11 ... Terminal, 12 ... Receiving circuit, 13 ... ROM writing means, 14 ... ROM
, 15...Hardware, 16...ROM reading means, 17...Transmission circuit, 18...Terminal, 20...
Spare equipment, 21...cable.

Claims

[Claims for Utility Model Registration] A receiving circuit 2 that receives the data of the contents of the ROM, a code conversion of the data received by the receiving circuit 2,
ROM writing means 3 that instructs writing, ROM 4 that stores a program, ROM reading means 6 that reads the contents of ROM 4, converts the code, and instructs reading, and a transmitting circuit that transmits data of the contents of ROM 4. 7, a receiving circuit 12 having the same configuration as the device 10, a ROM writing means 13, a ROM 14 with an empty program, an RO
A spare device 20 having an M reading means 16 and a transmitting circuit 17 is provided, the transmitting circuit 7 of the device 10 and the receiving circuit 12 of the preliminary device 20 are connected, the ROM reading means 6 is operated, and the program in the ROM 4 is sent to the outside. , A device having a failure recovery function, which operates the ROM writing means 13 and rewrites the program into the empty ROM 14 with a program having the same specifications as the ROM 4.