JPH01218197A - Installation testing method for catv terminal equipment - Google Patents
Installation testing method for catv terminal equipmentInfo
- Publication number
- JPH01218197A JPH01218197A JP4265688A JP4265688A JPH01218197A JP H01218197 A JPH01218197 A JP H01218197A JP 4265688 A JP4265688 A JP 4265688A JP 4265688 A JP4265688 A JP 4265688A JP H01218197 A JPH01218197 A JP H01218197A
- Authority
- JP
- Japan
- Prior art keywords
- central control
- terminal
- test
- installation
- control unit
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000009434 installation Methods 0.000 title claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000010998 test method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は中央制御装置と加入者端末装置とこれらを接続
するネットワークからなるＣＡＴＶシステムにおける加
入者端末設置試験方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a method for testing the installation of subscriber terminals in a CATV system comprising a central control unit, subscriber terminals, and a network connecting these.
従来の技術
従来のＣＡＴＶシステムでは端末装置の設置試験を行な
う場合、被設置試験端末をＣＡＴＶのネットワークに接
続した後、中央制御装置への設置試験開始命令により中
央制御装置では、通常の通信を一旦中断し通常の通信と
同一の搬送波周波数により被設置試験端末とデータ通信
を行なって所定の設置試験処理を実行し設置試験の合否
を判定していた。そして設置試験終了後、通常の通信を
再開するという方法を取っていた。Conventional technology When performing an installation test of a terminal device in a conventional CATV system, after connecting the installed test terminal to the CATV network, an installation test start command is given to the central control device, and the central control device temporarily suspends normal communication. Data communication is performed with the installed test terminal using the same carrier wave frequency as normal communication, and predetermined installation test processing is executed to determine whether the installation test has passed or failed. After the installation test was completed, normal communication was resumed.
発明が解決しようとする課題
このような従来の設置試験方法では、設置試験の処理を
中央制御装置で行なっていたため、中央制御装置におけ
る通常のデータ通信・データ処理が設置試験の間中断さ
れてしまい中央制御装置における処理効率が低下してい
た。Problems to be Solved by the Invention In such conventional installation test methods, the processing of the installation test was performed by the central control unit, so normal data communication and data processing in the central control unit was interrupted during the installation test. Processing efficiency in the central control unit was decreasing.
さらに、設置試験の期間中は中央制御装置と被設置試験
の１対、１通信が長時間に渡って行なわれるため伝送路
ネ７）ワークの使用効率が低下してしまうという問題点
もあった。Furthermore, during the installation test, one-to-one communication between the central control unit and the installed test takes place over a long period of time, resulting in a reduction in the efficiency of using the transmission line network. .
本発明は上記問題点を解決するもので、中央制御装置側
に設置試験装置を接続することにより中央制御装置とは
独立に設置試験を行ない、中央制御装置の処理効率と伝
送路の使用効率を改善することを目的としている。The present invention solves the above problems, and by connecting an installation test device to the central control device side, an installation test is conducted independently of the central control device, and the processing efficiency of the central control device and the usage efficiency of the transmission line are evaluated. The aim is to improve.
課題を解決するだめの手段
本発明は上記問題点を解決するために、中央制御装置側
に端末設置試験装置を接続し、中央制御装置が通信に使
用している周波数とは異なる搬送波周波数により中央制
御装置とは独立に設置試験を行ない、設置試験終了後は
被設置試験端末への制御信号により、被設置試験端末の
送受信周波数を通常の中央制御装置との通信周波数に切
り替えるものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention connects a terminal installation test device to the central controller side, and uses a carrier wave frequency different from the frequency used by the central controller for communication to Installation tests are conducted independently of the control device, and after the installation test is complete, a control signal is sent to the installed test terminal to switch the transmission and reception frequency of the installed test terminal to the normal communication frequency with the central control device.
作用
本発明は上記した構成により、端末設置試験装置が中央
制御装置の通信周波数とは異なる搬送波周波数により設
置試験を実行し、その後被設置試験端末の送受信周波数
を通常の中央制御装置との通信周波数に切り替えること
により、中央制御装置の処理効率、および伝送路の使用
効率を低下させることなしに、設置試験を可能にするも
のである。Effect of the present invention With the above-described configuration, the terminal installation test device executes the installation test using a carrier wave frequency different from the communication frequency of the central control device, and then changes the transmitting and receiving frequency of the installed test terminal to the normal communication frequency with the central control device. This makes it possible to perform installation tests without reducing the processing efficiency of the central control unit or the efficiency of using the transmission line.
実施例
以下本発明の一実施例を図面を参照して説明する。図は
本発明の一実施例における双方向ＣＡＴ”／システムの
全体構成図である。EXAMPLE An example of the present invention will be described below with reference to the drawings. The figure is an overall configuration diagram of a bidirectional CAT''/system in one embodiment of the present invention.
設置試験が行なわれない通常時は、ＣＡＴＶセンタの中
央制御装置１が下り周波数ｆ１、上り周波数１２にてケ
ーブルネットワーク２を介して加入者端末装置３．１〜
３．１を順次ポーリングし、各端末装置の視聴チャンネ
ル、ステータス情報等の最新情報を収集している。During normal times when installation tests are not conducted, the central control device 1 of the CATV center connects the subscriber terminal devices 3.1 to 3.1 through the cable network 2 at the downstream frequency f1 and the upstream frequency 12.
3.1 is sequentially polled to collect the latest information such as viewing channels and status information of each terminal device.
そしてこの情報をもとにして、有料番組視聴に対する自
動課金、視聴率調査等の処理を行ない、さらにはステー
タス情報をもとに異常端末の発生を検知して、中央制御
装置のオペレータに知らせるといった処理も行なう。Based on this information, processes such as automatic billing for paid program viewing and audience rating surveys are performed, and furthermore, based on status information, the occurrence of abnormal terminals is detected and notified to the operator of the central control unit. It also processes.
上記のような双方向ＣＡＴ’／システムにおいて、中央
制御装置１側に端末設置試験装置４を接続し、この端末
設置試験装置４により、ネットワーク２に接続されてい
る被設置試験端末６の設置試験を行なう。In the bidirectional CAT'/system as described above, a terminal installation test device 4 is connected to the central control device 1 side, and this terminal installation test device 4 performs an installation test of the installed test terminal 6 connected to the network 2. Do this.
端末設置試験装置４は、中央制御装置１が通信に使用し
ている周波数とは異なる搬送波周波数（下りｆ３＋上り
ｆ４ ）を使用して被設置試験端末６と通信する。The terminal installation test device 4 communicates with the installed test terminal 6 using a carrier frequency (downlink f3+uplink f4) different from the frequency used by the central control device 1 for communication.
被設置試験端末６は、初期状態では設置試験装置４と通
信するため、受信同波数ｆ３＋送信周波数１４で通信す
るように設定されており、ネットワーク２に接続された
時点では設置試験装置４からの制御信号を待っている。In order to communicate with the installed test equipment 4 in the initial state, the installed test terminal 6 is set to communicate at the reception same wave number f3 + transmission frequency 14, and when connected to the network 2, the installed test equipment 4 communicates with the installed test equipment 4. Waiting for control signal.
そして設置試験装置４では、ｆ３．ｆ、 を使用して所
定の設置試験処理を行なう。この時、中央制御装置１は
何ら影響を受けることなく、その処理を行なえるので効
率の低下につながることはない。Then, in the installation test device 4, f3. Perform the prescribed installation test process using f. At this time, the central control device 1 can perform its processing without being affected in any way, so that there is no reduction in efficiency.
以上のように設置試験を実行し、試験が終了すれば、設
置試験装置４は被設置試験端末６に対し、送受信周波数
をｆ５．ｆ４からｆ、、ｆ２に切り替えるように制御信
号を送出する。被設置試験端末６は、この制御信号を受
信すると、送受信周波数をｆｌ、ｆ２に切り替え、中央
制御装置１と通常ポーリングによるデータの送受信を行
なえるようになり、被設置試験端末から通常の運用端末
へと変わる。The installation test is executed as described above, and when the test is completed, the installation test device 4 transmits and receives the transmission and reception frequency to the installed test terminal 6 at f5. A control signal is sent to switch from f4 to f, , f2. When the installed test terminal 6 receives this control signal, it switches the transmission/reception frequency to fl and f2, and becomes able to send and receive data with the central control unit 1 by normal polling, allowing the installed test terminal to switch to the normal operating terminal. It changes to.
発明の効果
以上のように本発明によれば、設置試験装置をネットワ
ークに接続し、中央制御装置とは異なる周波数で通信す
ることにより、中央制御装置の通信・処理とは全く独立
に設置試験を行なえるため、中央制御装置の処理効率お
よび伝送路の使用効率を低下させることなしに被設置試
験端末装置の試験を可能にする。Effects of the Invention As described above, according to the present invention, by connecting the installation test device to a network and communicating at a frequency different from that of the central control device, installation tests can be performed completely independently of the communication and processing of the central control device. Therefore, it is possible to test the installed test terminal equipment without reducing the processing efficiency of the central control unit and the usage efficiency of the transmission line.
図は本発明の一実施例における双方向ＣＡＴＶシステム
の全体構成図である。
１・・・・・・中央制御装置、２・・・・・・ネットワ
ーク網、３・・・・・加入者端末装置、４・・・・・・
設置試験装置、６・・・・・被設置試験装置。The figure is an overall configuration diagram of a two-way CATV system according to an embodiment of the present invention. 1...Central control device, 2...Network network, 3...Subscriber terminal device, 4......
Installation test equipment, 6... Installed test equipment.
Claims (1)
るケーブルネットワークからなるＣＡＴＶシステムにお
いて、前記中央制御装置側に端末設置試験装置を接続し
、前記端末設置試験装置は前記中央制御装置が通信に用
いる周波数とは異なる搬送波周波数での通信により端末
設置試験を行ない、端末設置試験終了後は被設置試験端
末への制御信号により、当該被設置試験端末における送
受信周波数を前記中央制御装置が通信に使用している周
波数へ切り替えることを特徴としたＣＡＴＶ端末装置設
置試験方法。In a CATV system consisting of a central control device, a plurality of subscriber terminal devices, and a cable network connecting them, a terminal installation test device is connected to the central control device, and the terminal installation test device is connected to the central control device for communication. A terminal installation test is performed by communicating at a carrier frequency different from the frequency used, and after the terminal installation test is completed, the central control unit uses the transmitting and receiving frequency at the installed test terminal by a control signal to the installed test terminal. A CATV terminal equipment installation test method characterized by switching to a frequency that is currently being used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4265688A JPH01218197A (en) | 1988-02-25 | 1988-02-25 | Installation testing method for catv terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4265688A JPH01218197A (en) | 1988-02-25 | 1988-02-25 | Installation testing method for catv terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01218197A true JPH01218197A (en) | 1989-08-31 |
Family
ID=12642050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4265688A Pending JPH01218197A (en) | 1988-02-25 | 1988-02-25 | Installation testing method for catv terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01218197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0582747A (en) * | 1991-09-19 | 1993-04-02 | Fujitsu Ltd | Semiconductor device |
-
1988
- 1988-02-25 JP JP4265688A patent/JPH01218197A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0582747A (en) * | 1991-09-19 | 1993-04-02 | Fujitsu Ltd | Semiconductor device |
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