JPS6392441U - - Google Patents
Info
- Publication number
- JPS6392441U JPS6392441U JP1986187481U JP18748186U JPS6392441U JP S6392441 U JPS6392441 U JP S6392441U JP 1986187481 U JP1986187481 U JP 1986187481U JP 18748186 U JP18748186 U JP 18748186U JP S6392441 U JPS6392441 U JP S6392441U
- Authority
- JP
- Japan
- Prior art keywords
- line cable
- connector
- buzzer
- lamp
- notify
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Detection And Prevention Of Errors In Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
第１図は、本考案に係る１５ピンコネクタを両
端に有するＸ２１インタフエースモデムケーブル
を示す回路図、第２図は、回線ケーブル試験器の
一実施例を示すブロツク図、第３図ａ，ｂは、回
線ケーブル試験器の実装図である。
１，２……１５ピンコネクタ（ＩＳＯ４９０３
）、３……回線ケーブル試験器、３１……各種コ
ネクタ（１５ピン、２５ピン、３４ピンコネクタ
），３４……コネクタ接続変換回路、３５……接
続チエツク回路、３６……試験開始ボタン、３７
……ランプ表示部、３８……ブザー部。
Fig. 1 is a circuit diagram showing an X21 interface modem cable having a 15-pin connector at both ends according to the present invention, Fig. 2 is a block diagram showing an embodiment of a line cable tester, and Figs. 3 a and b. is an implementation diagram of a line cable tester. 1, 2...15 pin connector (ISO4903
), 3... Line cable tester, 31... Various connectors (15 pin, 25 pin, 34 pin connector), 34... Connector connection conversion circuit, 35... Connection check circuit, 36... Test start button, 37
... Lamp display section, 38 ... Buzzer section.
Claims (1)
り替えるスイツチと、回線ケーブルの両端のコネ
クタを装着するコネクタと、正常性を表示するラ
ンプ及び通知するブザーを有する回線ケーブル試
験器。 A line cable tester that has a switch for switching various interfaces used for data communication, a connector for attaching connectors at both ends of the line cable, a lamp to indicate normality, and a buzzer to notify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986187481U JPS6392441U (en) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986187481U JPS6392441U (en) | 1986-12-04 | 1986-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392441U true JPS6392441U (en) | 1988-06-15 |
Family
ID=31137999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986187481U Pending JPS6392441U (en) | 1986-12-04 | 1986-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392441U (en) |
-
1986
- 1986-12-04 JP JP1986187481U patent/JPS6392441U/ja active Pending