JPS5872948U

JPS5872948U - Telephone track security module

Info

Publication number: JPS5872948U
Application number: JP16864081U
Authority: JP
Inventors: 康夫佐藤; 功佐藤; 信沢　恒一; 治金子
Original assignee: 株式会社川口電機製作所; 株式会社日立製作所
Priority date: 1981-11-12
Filing date: 1981-11-12
Publication date: 1983-05-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図Ａ、　Ｂ、　Ｃはそれぞれ本考案の一実施例の電
話用線路保安モジュールを示す図面で、第１図Ａは平面
図、同Ｂ、　ＣはそれぞれＡの正面図および裏面図、第
２図は第１図Ａの側面図、第３図Ａ、　Ｂはそれぞれ第
２図に示すものにケースを取付けた状態を示す側面図お
よび裏面図、第４図は第１図Ａの回路図である。ｌａ、　　ｌｂ・・・入力端子、２・・・接地端子、３
・・・警報端子、４ａ、　　４ｂ・・・中力端子、５・
・・ベース、６・・・印刷配線板、７・・・放電管、８
・・・抵抗、９・・・バリスタ、１０・・・警報ヒユー
ズ、１１・・・警報表示窓、１２・・・ケース、１３．
１４・・・警報接点。Figures 1A, B, and C are drawings showing a telephone line safety module according to an embodiment of the present invention, in which Figure 1A is a plan view, Figures 1B and C are front and rear views of A, respectively. Figure 2 is a side view of Figure 1A, Figures 3A and B are side and back views respectively showing the case shown in Figure 2 with the case attached, and Figure 4 is the circuit diagram of Figure 1A. It is. la, lb...input terminal, 2...ground terminal, 3
...Alarm terminal, 4a, 4b...Medium power terminal, 5.
...Base, 6...Printed wiring board, 7...Discharge tube, 8
...Resistor, 9...Varistor, 10...Alarm fuse, 11...Alarm display window, 12...Case, 13.
14...Alarm contact.

Claims

[Claims for Utility Model Registration] A base made of insulating material for attaching all input and output terminals, and a wire including at least an input terminal, an output terminal, a grounding terminal and an alarm terminal, each of which is attached through the base. printed wiring having a number of L-shaped input/output terminals, and a wiring pattern that is attached to the base and connects the input/output terminals to a plurality of overload protection elements to form an overload protection circuit between the input/output terminals; A telephone line safety module comprising: a board;