JPH0469980U - - Google Patents
Info
- Publication number
- JPH0469980U JPH0469980U JP1990113319U JP11331990U JPH0469980U JP H0469980 U JPH0469980 U JP H0469980U JP 1990113319 U JP1990113319 U JP 1990113319U JP 11331990 U JP11331990 U JP 11331990U JP H0469980 U JPH0469980 U JP H0469980U
- Authority
- JP
- Japan
- Prior art keywords
- section
- catv
- basic module
- catv signal
- signal output
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Details Of Television Systems (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は本考案のＣＡＴＶ伝送路上での障害時及び保
守時の使用例を示す図である。
１，５……ＰＳＦ（電力分離フイルタ）、２，
４，６……切替器、３……基本モジユール部、７
……４ＳＰ（４分配器）、２１，４１，６１……
非常用端子、２２，４２，６２……切替スイツチ
。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure shows an example of how the present invention is used at the time of failure and maintenance on a CATV transmission line. 1, 5...PSF (power separation filter), 2,
4, 6...Switching device, 3...Basic module section, 7
...4SP (4 distributor), 21, 41, 61...
Emergency terminal, 22, 42, 62...switch switch.
Claims (1)
基本モジユール部とＣＡＴＶ信号入力部間と、前
記基本モジユール部とＣＡＴＶ信号出力部間とに
、非常用端子を有する２分配の切替回路をそれぞ
れ設け、前記各切替回路を通常側に切替えると前
記ＣＡＴＶ信号入力部及び前記ＣＡＴＶ信号出力
部のそれぞれは前記基本モジユール部に接続され
、前記各切替回路を非常側に切替えると前記ＣＡ
ＴＶ信号入力部及び前記ＣＡＴＶ信号出力部のそ
れぞれは前記基本モジユール部と切離され対応す
る前記非常用端子にそれぞれ接続されることを特
徴とする障害時切替機能付ＣＡＴＶ中継増幅器。 Two distribution switching circuits each having an emergency terminal are provided between a basic module section that relays, branches, distribution, and amplification of CATV signals and a CATV signal input section, and between the basic module section and a CATV signal output section, When each of the switching circuits is switched to the normal side, each of the CATV signal input section and the CATV signal output section is connected to the basic module section, and when each of the switching circuits is switched to the emergency side, the CATV signal input section and the CATV signal output section are connected to the basic module section.
A CATV relay amplifier with a failure switching function, wherein each of the TV signal input section and the CATV signal output section is separated from the basic module section and connected to the corresponding emergency terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113319U JPH0469980U (en) | 1990-10-29 | 1990-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113319U JPH0469980U (en) | 1990-10-29 | 1990-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469980U true JPH0469980U (en) | 1992-06-22 |
Family
ID=31860888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990113319U Pending JPH0469980U (en) | 1990-10-29 | 1990-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469980U (en) |
-
1990
- 1990-10-29 JP JP1990113319U patent/JPH0469980U/ja active Pending
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