JPH0187427U - - Google Patents
Info
- Publication number
- JPH0187427U JPH0187427U JP18333187U JP18333187U JPH0187427U JP H0187427 U JPH0187427 U JP H0187427U JP 18333187 U JP18333187 U JP 18333187U JP 18333187 U JP18333187 U JP 18333187U JP H0187427 U JPH0187427 U JP H0187427U
- Authority
- JP
- Japan
- Prior art keywords
- scsi
- bus
- termination circuit
- scsi bus
- termination
- 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
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Bus Control (AREA)
Description
第１図〜第３図は本考案のＳＣＳＩ装置の一実
施例を示す図であり、第１図はそのＳＣＳＩ装置
を適用したＳＣＳＩシステムのブロツク図、第２
図はそのＳＣＳＩバスと終端回路との関係を示す
回路図、第３図はそのＳＣＳＩバスと終端回路と
を離接するスイツチ（離接手段）の回路図である
。
１……ＳＣＳＩシステム、２……ＳＣＳＩバス
、３〜１０……ＳＣＳＩ装置、Ｌ０〜Ｌ１７……
信号線、Ｚ３〜Ｚ１０……終端回路、Ｒ３〜Ｒ１
０……スイツチ（離接手段）、Ｔｒ０〜Ｔｒ１７
……スイツチングトランジスタ、ＢＳ３〜ＢＳ１
０……ビツトスイツチ。
1 to 3 are diagrams showing one embodiment of the SCSI device of the present invention, and FIG. 1 is a block diagram of a SCSI system to which the SCSI device is applied, and FIG.
The figure is a circuit diagram showing the relationship between the SCSI bus and the termination circuit, and FIG. 3 is a circuit diagram of a switch (disconnection means) that connects and disconnects the SCSI bus and the termination circuit. 1...SCSI system, 2...SCSI bus, 3 to 10...SCSI device, L0 to L17 ...
Signal line, Z 3 to Z 10 ... Termination circuit, R 3 to R 1
0 ...Switch (contact/separation means), Tr 0 to Tr 17
...Switching transistor, BS 3 ~ BS 1
0 ...bit switch.
Claims (1)
上させる終端回路と、該終端回路とＳＣＳＩバス
とを離接する離接手段と、を備えたＳＣＳＩ装置
であつて、該ＳＣＳＩ装置がＳＣＳＩバスの終端
装置として接続されたとき、該離接手段が該終端
回路をＳＣＳＩバスに接続し、ＳＣＳＩ装置がＳ
ＣＳＩバスの中間装置として接続されたとき、離
接手段が終端回路をＳＣＳＩバスから切り離すこ
とを特徴とするＳＣＳＩ装置。 (2) 前記離接手段が、半導体スイツチで構成さ
れたことを特徴とする実用新案登録請求の範囲第
１項記載のＳＣＳＩ装置。 (3) 前記離接手段が、リレーで構成されたこと
を特徴とする実用新案登録請求の範囲第１項又は
第２項記載のＳＣＳＩ装置。[Claims for Utility Model Registration] (1) A SCSI device comprising a termination circuit connected to a SCSI bus to improve line integrity, and a disconnection means for connecting and disconnecting the termination circuit and the SCSI bus, , when the SCSI device is connected as a termination device of the SCSI bus, the disconnection means connects the termination circuit to the SCSI bus, and the SCSI device connects the termination circuit to the SCSI bus.
A SCSI device, characterized in that when connected as an intermediate device of a CSI bus, a disconnection means disconnects a termination circuit from the SCSI bus. (2) The SCSI device according to claim 1, wherein the connecting/disconnecting means is constituted by a semiconductor switch. (3) The SCSI device according to claim 1 or 2, wherein the connecting/separating means is constituted by a relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18333187U JPH0187427U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18333187U JPH0187427U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187427U true JPH0187427U (en) | 1989-06-09 |
Family
ID=31474753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18333187U Pending JPH0187427U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187427U (en) |
-
1987
- 1987-11-30 JP JP18333187U patent/JPH0187427U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0187427U (en) | ||
| JPS58144939U (en) | modem | |
| JPS58132478U (en) | turnout | |
| JPH01144927U (en) | ||
| JPS6030662U (en) | Calling signal receiving circuit | |
| JPH0356919U (en) | ||
| JPS5859285U (en) | remote monitoring control system | |
| JPS58111551U (en) | Loop data transmission device | |
| JPS6038006U (en) | Looseness detection device for bus bar joints | |
| JPS58156337U (en) | Protective relay device | |
| JPS5850750U (en) | antenna switching circuit | |
| JPS58134830U (en) | Two-wire three-way switching device | |
| JPS59176335U (en) | Bus voltage switching device | |
| JPS60103955U (en) | multiplex communication device | |
| JPH0230700U (en) | ||
| JPS60177526U (en) | Transmission line switching circuit | |
| JPS61174241U (en) | ||
| JPS62133436U (en) | ||
| JPS63179598U (en) | ||
| JPS60114490U (en) | Wired remote control device | |
| JPH039548U (en) | ||
| JPS60123998U (en) | Lighting control system terminal | |
| JPS60164292U (en) | automatic transaction processing equipment | |
| JPH0384661U (en) | ||
| JPS62171373U (en) |