JPH0344132A - Data repeater - Google Patents
Data repeaterInfo
- Publication number
- JPH0344132A JPH0344132A JP1179351A JP17935189A JPH0344132A JP H0344132 A JPH0344132 A JP H0344132A JP 1179351 A JP1179351 A JP 1179351A JP 17935189 A JP17935189 A JP 17935189A JP H0344132 A JPH0344132 A JP H0344132A
- Authority
- JP
- Japan
- Prior art keywords
- exchange
- circuit
- power
- terminal
- data
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はデータ中継装置、特にデータ変換を必要とする
端末と交換機との間に設けられ、端末と交換機との両方
から給電されるデータ中継装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a data relay device, particularly a data relay device that is provided between a terminal that requires data conversion and an exchange, and that is supplied with power from both the terminal and the exchange. Regarding equipment.
従来、この種のデータ中継装置は、通常、端末からの給
電を用いて交換機からのデータをデータ変換して、端末
にこの変換されたデータを送出し、交換機からの給電を
用いて端末からのデータをデータ変換して、交換機にこ
の変換されたデータを送出するようにしている。Conventionally, this type of data relay equipment usually converts data from an exchange using power supplied from the terminal, sends the converted data to the terminal, and converts data from the terminal using power supplied from the exchange. The data is converted and the converted data is sent to the exchange.
上述した従来のデータ中継装置は、端末がらの給電状態
を監視して、その状態を交換機に通知する手段も、交換
機からの給電状態を監視して、その状態を端末に通知す
る手段も有していないので、端末と交換機との間でデー
タ通信が不能となったときに回線の障害によるものか、
給電の障害によるものかを判定することが困難であると
いう欠点を有している。The conventional data relay device described above has a means for monitoring the power supply status of the terminal and notifying the exchange of the status, and a means for monitoring the power supply status from the exchange and notifying the terminal of the status. If data communication becomes unavailable between the terminal and the exchange, it may be due to a line failure.
This has the disadvantage that it is difficult to determine whether the problem is due to a power supply failure.
本発明のデータ中継装置は、端末と交換機との両方から
給電され、端末と交換機との間でデータ変換を行なうデ
ータ中継装置において、交換機からの給電により端末か
らの受電状態を監視する第１の監視回路と、交換機から
の給電により端末からの通信データをデータ変換し、前
記第１の監視回路の出力を多重化して交換機に変換した
データの送出を行なう第１のデータ変換回路と、端末か
らの給電により交換機からの受電状態を監視する第２の
監視回路と、端末からの給電により交換機からの通信デ
ータをデータ変換し、前記第２の監視回路の出力を多重
化して端末に変換したデータの送出を行なう第２のデー
タ変換回路とを有することにより構成される。The data relay device of the present invention is a data relay device that receives power from both a terminal and an exchange and performs data conversion between the terminal and the exchange. a monitoring circuit; a first data conversion circuit that converts communication data from the terminal by supplying power from the exchange; multiplexes the output of the first monitoring circuit; and sends the converted data to the exchange; a second monitoring circuit that monitors the state of power reception from the exchange by supplying power to the terminal; and converting communication data from the exchange by supplying power from the terminal, multiplexing the output of the second monitoring circuit and converting the data to the terminal. and a second data conversion circuit for transmitting the data.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例のブロック図である。第１図
において、端末１と交換機３との間に設けられたデータ
中継装置２が示されている。FIG. 1 is a block diagram of one embodiment of the present invention. In FIG. 1, a data relay device 2 provided between a terminal 1 and an exchange 3 is shown.
データ中継装置２は端末１から給電を受ける受電回路２
１、受電回路２１の受電レベルを監視する受電監視回路
２２、受電監視回路２２からの受電レベルと端末１から
の通信データとを受けて、データ変換をしたデータに受
電レベルを多重化して交換機３に送出するデータ変換回
路２３、交換機３から給電を受ける受電回路２４、受電
回路２４の受電レベルを監視する受電監視回路２５、受
電監視回路２５からの受電レベルと交換機３からの通信
データとを受けて、データ変換をしたデータに受電レベ
ルを多重化して端末１に送出するデータ変換回路２６に
より構成されている。なお受電回路２１で受けた電力は
受電監視回路２５およびデータ変換回路２６に与えられ
、受電回路２４で受けた電力は受電監視回路２２および
データ変換回路２３に与えられるようになっている。The data relay device 2 is a power receiving circuit 2 that receives power from the terminal 1.
1. A power reception monitoring circuit 22 that monitors the power reception level of the power reception circuit 21 receives the power reception level from the power reception monitoring circuit 22 and the communication data from the terminal 1, multiplexes the power reception level with the data converted and sends it to the exchange 3. a data conversion circuit 23 that sends power to the exchange 3; a power reception circuit 24 that receives power from the exchange 3; a power reception monitoring circuit 25 that monitors the power reception level of the power reception circuit 24; The data conversion circuit 26 multiplexes the received power level with the converted data and sends it to the terminal 1. Note that the power received by the power receiving circuit 21 is provided to the power receiving monitoring circuit 25 and the data conversion circuit 26, and the power received by the power receiving circuit 24 is provided to the power receiving monitoring circuit 22 and the data converting circuit 23.
以上の構成により、端末１からの給電が行なわれている
か否かは、受電回路２１の電圧レベルを、交換機３から
給電された受電監視回路２２およびデータ変換回路２３
を介して交換機３が知り、交換機３からの給電が行なわ
れているか一否かは、受電回路２４の電圧レベルを、端
末１から給電された受電監視回路２５およびデータ変換
回路２６を介して端末１が知ることとなる。With the above configuration, whether or not power is being supplied from the terminal 1 can be determined by checking the voltage level of the power receiving circuit 21 and the power receiving monitoring circuit 22 and data conversion circuit 23 that are supplied with power from the exchange 3.
The exchange 3 knows whether or not power is being supplied from the exchange 3 by checking the voltage level of the power receiving circuit 24 at the terminal via the power reception monitoring circuit 25 and data conversion circuit 26 that are supplied with power from the terminal 1. 1 will know.
以上説明したように本発明は、端末からの給電状態を監
視して、その状態を交換機に通知することと、交換機か
らの給電状態を監視して、その状態を端末に通知するこ
ととにより、端末と交換機との間のデータ通信が不能に
なったときに、給電障害か回線障害か、さらにこれらの
障害がデータ中継装置から見て端末側か交換機側かの判
断を容易にさせる効果がある。As explained above, the present invention monitors the power supply status from the terminal and notifies the exchange of the status, and monitors the power supply status from the exchange and notifies the terminal of the status. When data communication between a terminal and an exchange becomes impossible, it is effective in making it easier to determine whether it is a power supply failure or a line failure, and whether the failure is on the terminal side or the exchange side from the perspective of the data relay equipment. .
第１図は本発明の一実施例のブロック図である。
１・・・端末、２・・・データ中継装置、３・・・交換
機、２１．２４・・・受電回路、２２．２５・・・受電
監視回路、２３．２６・・・データ変換回路。FIG. 1 is a block diagram of one embodiment of the present invention. 1... Terminal, 2... Data relay device, 3... Exchange, 21.24... Power receiving circuit, 22.25... Power receiving monitoring circuit, 23.26... Data conversion circuit.
Claims (1)
間でデータ変換を行なうデータ中継装置において、交換
機からの給電により端末からの受電状態を監視する第１
の監視回路と、交換機からの給電により端末からの通信
データをデータ変換し、前記第１の監視回路の出力を多
重化して交換機に変換したデータの送出を行なう第１の
データ変換回路と、端末からの給電により交換機からの
受電状態を監視する第２の監視回路と、端末からの給電
により交換機からの通信データをデータ変換し、前記第
２の監視回路の出力を多重化して端末に変換したデータ
の送出を行なう第２のデータ変換回路とを有することを
特徴とするデータ中継装置。In a data relay device that is supplied with power from both the terminal and the exchange and performs data conversion between the terminal and the exchange, a
a first data conversion circuit that converts communication data from the terminal by supplying power from the exchange, multiplexes the output of the first monitoring circuit, and sends the converted data to the exchange; and a terminal. a second monitoring circuit that monitors the status of power reception from the exchange by supplying power from the terminal; and converting communication data from the exchange by supplying power from the terminal, multiplexing the output of the second monitoring circuit and converting it to the terminal. A data relay device comprising: a second data conversion circuit that transmits data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1179351A JP2552917B2 (en) | 1989-07-11 | 1989-07-11 | Data relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1179351A JP2552917B2 (en) | 1989-07-11 | 1989-07-11 | Data relay device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0344132A true JPH0344132A (en) | 1991-02-26 |
| JP2552917B2 JP2552917B2 (en) | 1996-11-13 |
Family
ID=16064324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1179351A Expired - Fee Related JP2552917B2 (en) | 1989-07-11 | 1989-07-11 | Data relay device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2552917B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9174752B2 (en) | 2008-04-23 | 2015-11-03 | Signode Industrial Group Llc | Strapping device with a gear system device |
| US9193486B2 (en) | 2008-04-23 | 2015-11-24 | Signode Industrial Group Llc | Strapping device with a tensioner |
-
1989
- 1989-07-11 JP JP1179351A patent/JP2552917B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9174752B2 (en) | 2008-04-23 | 2015-11-03 | Signode Industrial Group Llc | Strapping device with a gear system device |
| US9193486B2 (en) | 2008-04-23 | 2015-11-24 | Signode Industrial Group Llc | Strapping device with a tensioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2552917B2 (en) | 1996-11-13 |
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