JPH0336971U - - Google Patents
Info
- Publication number
- JPH0336971U JPH0336971U JP9717789U JP9717789U JPH0336971U JP H0336971 U JPH0336971 U JP H0336971U JP 9717789 U JP9717789 U JP 9717789U JP 9717789 U JP9717789 U JP 9717789U JP H0336971 U JPH0336971 U JP H0336971U
- Authority
- JP
- Japan
- Prior art keywords
- line
- circuit section
- sections
- measurement
- tests
- 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
- 238000005259 measurement Methods 0.000 claims description 6
- 238000002847 impedance measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図ａ〜ｅは本考案の実施例による試験使用時の接
続図である。
１００……打合せ回路部、１０１……ダイヤル
回路部、１０２……通話回路部、１０３……モニ
タ用アンプ、２００……回線試験回路部、２１７
……折り返し制御電源端子、３００……回線特性
測定回路部、３０１……交流特性測定回路、３０
２……抵抗測定回路、３０３……高電圧発生回路
、４００……発振回路部、５００……心線対照試
験回路、５１１……心線検出端子、６００……表
示部、７００……ＣＰＵ、Ｒ……受話器、Ｔ……
送話器である。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
Figures a to e are connection diagrams during test use according to an embodiment of the present invention. 100...Meeting circuit section, 101...Dial circuit section, 102...Telephone circuit section, 103...Monitor amplifier, 200...Line test circuit section, 217
... Return control power supply terminal, 300 ... Line characteristics measurement circuit section, 301 ... AC characteristics measurement circuit, 30
2... Resistance measurement circuit, 303... High voltage generation circuit, 400... Oscillation circuit section, 500... Core wire comparison test circuit, 511... Core wire detection terminal, 600... Display unit, 700... CPU, R...Handset, T...
It is a transmitter.
Claims (1)
において、ダイヤル接続回線を使用する打合せ回
路部と、回線開通時、障害時の試験、折り返し制
御および心線対照試験等に使用される回線試験回
路部と、線路抵抗測定、信号レベル測定、回線の
インピーダンス測定等に使用する回線特性測定回
路部と、上記各部に接続され、上記各部の動作制
御および試験結果の判定を行うＣＰＵと、上記各
種試験・測定回路部の切り替え接続を行う切り替
え手段とを備え、上記各部の駆動には乾電池電源
を使用したことを特徴とする多機能線路試験器。 In the line tester used for various tests of telecommunications lines, the meeting circuit section uses dial connection lines, and the line test circuit section is used for line opening, failure tests, return control, core comparison tests, etc. , a line characteristic measuring circuit section used for line resistance measurement, signal level measurement, line impedance measurement, etc., a CPU connected to each of the above sections and controlling the operation of the above sections and determining test results, A multifunctional line tester characterized in that it is equipped with a switching means for switching and connecting measurement circuit sections, and uses a dry battery power source to drive each of the sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9717789U JPH0336971U (en) | 1989-08-22 | 1989-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9717789U JPH0336971U (en) | 1989-08-22 | 1989-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336971U true JPH0336971U (en) | 1991-04-10 |
Family
ID=31646329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9717789U Pending JPH0336971U (en) | 1989-08-22 | 1989-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336971U (en) |
-
1989
- 1989-08-22 JP JP9717789U patent/JPH0336971U/ja active Pending
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