JPH0244433U - - Google Patents
Info
- Publication number
- JPH0244433U JPH0244433U JP12274588U JP12274588U JPH0244433U JP H0244433 U JPH0244433 U JP H0244433U JP 12274588 U JP12274588 U JP 12274588U JP 12274588 U JP12274588 U JP 12274588U JP H0244433 U JPH0244433 U JP H0244433U
- Authority
- JP
- Japan
- Prior art keywords
- communication line
- hybrid
- drop
- impedance
- terminal equipment
- 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 2
Landscapes
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は、本考案の一実施例を示すブロツク図
、第２図は、従来のマルチドロツプ通信システム
の一例を示すブロツク図である。
１……マルチドロツプ通信線路、２……端末機
器、３……ハイブリツドトランス、４……ハイブ
リツドバランス回路、５……音声・データ受信部
、６……音声・データ送信部、７……ダミー回路
。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing an example of a conventional multi-drop communication system. DESCRIPTION OF SYMBOLS 1... Multi-drop communication line, 2... Terminal equipment, 3... Hybrid transformer, 4... Hybrid balance circuit, 5... Audio/data receiving section, 6... Audio/data transmitting section, 7... Dummy circuit.
Claims (1)
機器がマルチドロツプ方式で接続され、この端末
機器の備える音声・データ送受信部が、この端末
機器の備えるハイブリツドトランスを介して、こ
の通信線路に接続されるマルチドロツプ通信シス
テムにおいて、 前記端末機器のハイブリツドトランスに接続さ
れており、前記通信線路にＬ台の前記端末機器が
接続されたときに、前記端末機器から前記通信線
路をみたインピーダンスに等しいインピーダンス
を有するハイブリツドバランス回路と、 前記通信線路から端末機器をみたインピーダン
スと等価なインピーダンスを持つダミー回路とを
有することを特徴とするマルチドロツプ通信シス
テム。[Claims for Utility Model Registration] A maximum of L (L is a positive integer) terminal devices are connected to a communication line in a multi-drop manner, and the voice/data transmitting/receiving section of this terminal device is connected to a hybrid device equipped with this terminal device. In a multi-drop communication system connected to this communication line via a transformer, the terminal equipment is connected to a hybrid transformer, and when L units of the terminal equipment are connected to the communication line, A multi-drop communication system comprising: a hybrid balance circuit having an impedance equal to the impedance seen from the communication line; and a dummy circuit having an impedance equivalent to the impedance seen from the communication line to the terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12274588U JPH0244433U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12274588U JPH0244433U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244433U true JPH0244433U (en) | 1990-03-27 |
Family
ID=31370962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12274588U Pending JPH0244433U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244433U (en) |
-
1988
- 1988-09-21 JP JP12274588U patent/JPH0244433U/ja active Pending
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