JPS58541U - Subscriber line test circuit - Google Patents
Subscriber line test circuitInfo
- Publication number
- JPS58541U JPS58541U JP9368881U JP9368881U JPS58541U JP S58541 U JPS58541 U JP S58541U JP 9368881 U JP9368881 U JP 9368881U JP 9368881 U JP9368881 U JP 9368881U JP S58541 U JPS58541 U JP S58541U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- time
- division
- subscriber line
- drop
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
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
第１図は、本考案による、時分割電子交換機の中継方式
説明図、第２図は、本考案の加入者回線試験回路の実施
例の結線図である。
５ＴＡＴ・・・・・・電話器、ＬＴＦ・・・・・・加入
者回線回路、 “ＴＳＴ・・・・・・加入者回線試
験回路、ＲＧ・・・・・・呼び出し音送出機、ＴＳＣ・
・・・・・加入者回線試験装置、ＴＤＳＷ・・・・・・
時分割スイッチネットワーク、ＣＣ・―・・・・中央制
御装置、ＭＭ・・・・・・記憶装置、Ｃ０ＤＥＣ・・・
・・・アナロブ、ディジタル相互交換装置、ＴＯＰ・・
・・・・リレ°−駆動回路、Ｒ・・・・・・呼び出し音
引き込みリレー、ｒ・・・・・・リレーＲの端子、Ｔ・
・・・・・試験引き込みリレニ、ｔ・・・・・・リレー
Ｔの端子、ＭＤＦ・・・・・・主分配器、ＭＬＴ・・・
・・・多重接続端子。FIG. 1 is an explanatory diagram of a relay system of a time division electronic exchange according to the present invention, and FIG. 2 is a wiring diagram of an embodiment of a subscriber line testing circuit according to the present invention. 5TAT...Telephone, LTF...Subscriber line circuit, TST...Subscriber line test circuit, RG...Ring tone transmitter, TSC.
...Subscriber line testing equipment, TDSW...
Time division switch network, CC...Central control unit, MM...Storage device, C0DEC...
...Analob, digital interchange device, TOP...
...Relay drive circuit, R...Ring tone pull-in relay, r...Relay R terminal, T...
...Test pull relay, t...Relay T terminal, MDF...Main distributor, MLT...
...Multiple connection terminal.
Claims (1)
ッチネットワークと、加入者回路のアナログ信号をデジ
タル信号に変換し、時分割通話路スイッチのデジタル信
号をアナログ信号に変換する、いわゆる時分割集線装置
を有する時分割交換機に設置する加入者回線試験用引込
み回路において、引込み回路の設置を呼び出し信号送出
装置と加入者回線の間とし、引込み回路の試験時の引き
込み切り替え制御を中央制御装置で行なうように構成し
たことを特徴とする時分割電話交換機の加入者回線試験
回路。A storage program type central control unit, a time-division channel switch network, and a so-called time-division concentrator that converts analog signals from subscriber circuits into digital signals and converts digital signals from time-division channel switches into analog signals. In the drop-in circuit for testing subscriber lines installed in a time-division exchange, the drop-in circuit is installed between the paging signal sending device and the subscriber line, and the pull-in switching control during testing of the drop-in circuit is performed by the central control unit. A subscriber line test circuit for a time division telephone exchange, characterized in that the circuit is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9368881U JPS58541U (en) | 1981-06-26 | 1981-06-26 | Subscriber line test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9368881U JPS58541U (en) | 1981-06-26 | 1981-06-26 | Subscriber line test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58541U true JPS58541U (en) | 1983-01-05 |
Family
ID=29888650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9368881U Pending JPS58541U (en) | 1981-06-26 | 1981-06-26 | Subscriber line test circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58541U (en) |
-
1981
- 1981-06-26 JP JP9368881U patent/JPS58541U/en active Pending
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