JPH01105870U - - Google Patents
Info
- Publication number
- JPH01105870U JPH01105870U JP72288U JP72288U JPH01105870U JP H01105870 U JPH01105870 U JP H01105870U JP 72288 U JP72288 U JP 72288U JP 72288 U JP72288 U JP 72288U JP H01105870 U JPH01105870 U JP H01105870U
- Authority
- JP
- Japan
- Prior art keywords
- system cable
- processing unit
- central processing
- dummy signal
- disconnection detection
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の一実施例を示す図である。
１……システムケーブル、２……ダミー信号線
、３……折り返し線、４……ジヤンパー線、５…
…検出回路、６……表示回路。
FIG. 1 is a diagram showing an embodiment of the present invention. 1...System cable, 2...Dummy signal line, 3...Return line, 4...Jumper wire, 5...
...Detection circuit, 6...Display circuit.
Claims (1)
ケーブルにおいて、システムケーブル内に断線検
出用のダミー信号線を設け、中央処理装置のバル
クヘツドにて、全システムケーブルの前記ダミー
信号線を直列接続し、その始端と終端がオープン
かシヨートかを判定する検出回路と、その判定結
果を知らせる表示回路とを有して成るシステムケ
ーブル断線検出装置。 In the system cable that connects the central processing unit and peripheral devices, a dummy signal line for disconnection detection is provided in the system cable, and the dummy signal lines of all system cables are connected in series at the bulkhead of the central processing unit. A system cable disconnection detection device comprising a detection circuit that determines whether a starting end and a terminal end are open or short, and a display circuit that notifies the determination result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72288U JPH01105870U (en) | 1988-01-06 | 1988-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72288U JPH01105870U (en) | 1988-01-06 | 1988-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105870U true JPH01105870U (en) | 1989-07-17 |
Family
ID=31200001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP72288U Pending JPH01105870U (en) | 1988-01-06 | 1988-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105870U (en) |
-
1988
- 1988-01-06 JP JP72288U patent/JPH01105870U/ja active Pending
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