JPH04200135A - Packet communication terminal equipment - Google Patents
Packet communication terminal equipmentInfo
- Publication number
- JPH04200135A JPH04200135A JP2334326A JP33432690A JPH04200135A JP H04200135 A JPH04200135 A JP H04200135A JP 2334326 A JP2334326 A JP 2334326A JP 33432690 A JP33432690 A JP 33432690A JP H04200135 A JPH04200135 A JP H04200135A
- Authority
- JP
- Japan
- Prior art keywords
- power
- unit
- layer
- control section
- packet
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 36
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 101100008050 Caenorhabditis elegans cut-6 gene Proteins 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、パケット通信端末装置に利用する。[Detailed description of the invention] [Industrial application field] INDUSTRIAL APPLICATION This invention is utilized for a packet communication terminal device.
特に、パケット通信を行う装置の遠隔電源制御手段に関
する。In particular, the present invention relates to remote power control means for devices that perform packet communications.
本発明は、ＣＣＩＴＴ勧告ｘ、２５に基づくパケット通
信を行う端末装置において、
第二ユニットの電源切断時にこのユニットの処理の一部
を第一ユニットで行うことにより、第二ユニットの電源
の遠隔制御を行うことができるようにしたものである。The present invention provides remote control of the power supply of the second unit in a terminal device that performs packet communication based on CCITT Recommendation It is designed so that it can be done.
従来例では、上位レイヤを含むパケット通信制御に関わ
る部分以外のサービスユニットの電源制御を行うもので
あり、上位レイヤを制御する部分は電源が投入された状
態になっていた。In the conventional example, power is controlled for service units other than the parts involved in packet communication control including the upper layer, and the parts that control the upper layer are kept powered on.
このような従来例では、上位レイヤを含むパケット通信
制御に関わらないサービスユニットの電源を切断してそ
の装置のサービスを行っていないときでも、上位レイヤ
を制御する部分は負荷がほとんどかかっていないにもか
かわらず電源が投入された状態であるので、電力が余分
に消費される欠点があった。In such a conventional example, even when the service unit that is not involved in packet communication control, including the upper layer, is powered off and the device is not in service, the part that controls the upper layer has almost no load on it. However, since the power is still on, there is a drawback that extra power is consumed.
本発明は、このような欠点を除去するもので、電力消費
を節減することができるパケット通信端末装置を提供す
ることを目的とする。The present invention aims to eliminate such drawbacks and to provide a packet communication terminal device that can reduce power consumption.
本発明は、ホスト装置から到来するパケット電文に応じ
てＣＣＩＴＴ勧告Ｘ．２５に規定する第３層以下の下位
層を制御する第一ユニットおよび第４層以上の上位層の
制御を含む自装置全体の制御を行う第二ユニットを備え
たパケット通信端末装置において、上記第一ユニットは
、上記第二ユニットの専用電源の切断に応じて起動され
、到来する上記パケット電文の内容を確認する確認手段
と、この内容がこの専用電源の投入指令であることが確
認されるとこの専用電源を投入する投入手段と、この専
用電源投入による上記第二ユニットの動作開始に応じて
上記確認手段の動作を中止する制御手段とを備え、上記
第二ユニットは、その専用電源の投入状態時に到来する
上記パケット電文の内容が電源切断の指令であるときに
この専用電源を切断する切断手段を備えたことを特徴と
する。The present invention uses CCITT Recommendation X. In the packet communication terminal device provided with a first unit that controls the lower layers below the third layer and a second unit that controls the entire device including control of the upper layers above the fourth layer, the above-mentioned One unit is activated in response to disconnection of the dedicated power source of the second unit, and includes a confirmation means for confirming the content of the incoming packet message, and when it is confirmed that this content is a command to turn on the dedicated power supply. The second unit is equipped with a turning means for turning on the dedicated power, and a control means for stopping the operation of the checking means in response to the start of operation of the second unit by turning on the dedicated power, and the second unit is configured to turn on the dedicated power. The present invention is characterized in that it includes a disconnection means for disconnecting the dedicated power source when the content of the packet message that arrives in the state is a command to disconnect the power source.
上位レイヤ制御部の電源が切断されているときに、下位
レイヤ制御部が電文の解析を行い上位レイヤのサービス
の電源投入動作を行う。これにより、パケット通信手順
による上位レイヤ制御部およびパケット通信制御に関わ
らないサービスユニットの遠隔電源制御が可能になる。When the upper layer control unit is powered off, the lower layer control unit analyzes the message and powers on the upper layer service. This enables remote power control of the upper layer control unit and the service unit not related to packet communication control using the packet communication procedure.
以下、本発明の一実施例について図面を参照して説明す
る。第１図は本発明実施例の構成を示すブロック図であ
る。第２図および第３図はそのシーケンス図である。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. FIGS. 2 and 3 are sequence diagrams.
すなわち、この実施例は、第１図に示すように、ホスト
装置から到来するパケット電文に応じてＣＣＩＴＴ勧告
ｘ、２５に規定する第３層以下の下位層を制御する第一
ユニットである下位レイヤ通信制御部１０３および第４
層以上の上位層の制御を含む自装置全体の制御を行う第
二ユニットである上位レイヤ制御部１０５およびサービ
スユニット１０９を備え、さらに、上記第一ユニットは
、上記第二ユニットの専用電源である上位レイヤ用電源
１０６の切断に応じて起動され、到来する上記パケット
電文の内容を確認する確認手段と、この内容がこの専用
電源の投入指令であることが確認されるとこの専用電源
を投入する投入手段と、この専用電源投入による上記第
二ユニットの動作開始に応じて上記確認手段の動作を中
止する制御手段とを備え、上記第二ユニットは、その専
用電源の投入状態時に到来する上記パケット電文の内容
が電源切断の指令であるときにこの専用電源を切断する
切断手段を備える。That is, as shown in FIG. 1, in this embodiment, the lower layer, which is the first unit that controls the lower layers below layer 3 specified in CCITT Recommendation x, 25, according to the packet message arriving from the host device Communication control unit 103 and fourth
The device is equipped with an upper layer control section 105 and a service unit 109, which are second units that control the entire device including control of upper layers above the layer above, and the first unit is a dedicated power source for the second unit. A confirmation means that is activated in response to disconnection of the upper layer power supply 106 and confirms the content of the incoming packet message, and turns on the dedicated power supply when it is confirmed that this content is a command to turn on the dedicated power supply. and a control means for stopping the operation of the confirmation means in response to the start of operation of the second unit by turning on the dedicated power, and the second unit is configured to receive the packet that arrives when the dedicated power is turned on. A disconnecting means is provided to disconnect the dedicated power source when the content of the message is a command to disconnect the power source.
次に、この実施例の動作を第１図ないし第３図に基づき
説明する。Next, the operation of this embodiment will be explained based on FIGS. 1 to 3.
上位レイヤ用電源１０６の切断時に、下位レイヤ通信制
御部１０３は、ｘ、２５ｄａｔａ手順を行う。When the upper layer power supply 106 is turned off, the lower layer communication control unit 103 performs the x, 25 data procedure.
すなわち、下位レイヤ通信制御部１０３は、ＤＴパケッ
トを受信するとＲＲパケットを返送するとともにＤＴパ
ケットの内容をチエツクし、電源投入要求電文以外の場
合はその電文を破棄し、電源投入要求電文の場合は上位
レイヤ用電源１０６の電源投入を行うとともに下位レイ
ヤ通信制御部１０３内に電文を蓄積し、電源投入開始報
告電文を作成してパケット通信回線１０２を介してホス
ト装置１０１へ返送する。上位レイヤ制御部１０５は、
動作可能状態になると、下位レイヤ通信制御部１０３に
上位レイヤ用電源１０６の動作開始を確認すると下位レ
イヤ通信制御部１０３内に蓄積済のすべての電源投入要
求電文を上位レイヤ制御部１０５へ通知する。That is, when the lower layer communication control unit 103 receives a DT packet, it returns an RR packet and checks the contents of the DT packet.If it is not a power-on request message, it discards the message, and if it is a power-on request message, it discards the message. The upper layer power source 106 is powered on, a message is stored in the lower layer communication control unit 103, a power-on start report message is created, and the message is sent back to the host device 101 via the packet communication line 102. The upper layer control unit 105
When the operating state is enabled, when the lower layer communication control unit 103 confirms that the upper layer power source 106 has started operating, it notifies the upper layer control unit 105 of all power-on request messages stored in the lower layer communication control unit 103. .
上位レイヤ制御部１０５は、電源投入の完了を通知する
だめの電源投入完了電文をホスト装置１０１へ送信する
。また、下位レイヤ通信制御部１０３は、上位レイヤ制
御部１０５が動作を開始すると上位レイヤの監視をやめ
る。電源投入による装置全体の初期化処理に際して、上
位レイヤ制御部１０５は、下位レイヤ通信制御部１０３
が動作していない場合は下位レイヤ通信制御部１０３の
初期化を行い、下位レイヤ通信制御部１０３がすてに動
作している場合は下位レイヤ通信制御部１０３に対する
初期化を行ってパケット手順が途切れるのを防ぐ。The upper layer control unit 105 transmits a power-on completion message to the host device 101 notifying the completion of power-on. Further, the lower layer communication control unit 103 stops monitoring the upper layer when the upper layer control unit 105 starts operating. When initializing the entire device by turning on the power, the upper layer control unit 105 controls the lower layer communication control unit 103.
If the lower layer communication control unit 103 is not operating, the lower layer communication control unit 103 is initialized, and if the lower layer communication control unit 103 is already operating, the lower layer communication control unit 103 is initialized and the packet procedure is completed. Prevent interruptions.
上位レイヤ用電源１０６の電源が投入されているときに
、上位レイヤ制御部１０５がホスト装置１０１から電源
切断要求電文を受は取ると、電源切断報告電文をホス）
装置１０１に送信し、ホスト装置１０１が電源切断報告
電文を受信したことを確認すると上位レイヤ用電源１０
６を切断する。下位レイヤ通信制御部１０３は、Ｘ、２
５ｄａｔａ手順を継続し、上位レイヤ用電源１０６の電
源が切断されたことを認識すると上位レイヤ処理の一部
である電文解析処理を再開し、電源切断要求電文の監視
を行う。When the upper layer control unit 105 receives a power disconnection request message from the host device 101 while the upper layer power source 106 is powered on, it sends a power disconnection report message.
When the host device 101 confirms that it has received the power disconnection report message, the upper layer power source 10
Cut 6. The lower layer communication control unit 103
5data procedure is continued, and when it is recognized that the upper layer power source 106 has been powered off, the message analysis process that is part of the upper layer processing is restarted, and the power disconnection request message is monitored.
本発明は、以上説明したように、上位レイヤ制御部の電
源が切断されているときは下位レイヤ通信制御部で上位
レイヤの一部の処理を行うので、上位レイヤの電文内容
による遠隔電源制御が可能であり、システム立ち上げ時
に回線障害となることを防止する効果がある。As explained above, in the present invention, when the power of the upper layer control unit is turned off, the lower layer communication control unit performs part of the processing of the upper layer, so that remote power control based on the message contents of the upper layer is possible. This is possible and has the effect of preventing line failures when starting up the system.
また、下位レイヤ通信制御部以外の電源を遠隔制御でき
るので、無人運転時にも電力の節約を行える効果がある
。Furthermore, since the power supplies other than the lower layer communication control section can be remotely controlled, power can be saved even during unmanned operation.
第１図は本発明実施例のハードウェアブロック図。
第２図は本発明実施例の電源制御シーケンス。
第３図は本発明実施例の電源制御シーケンス。
１０１・・・ホスト装置、１０２・・・パケット通信回
線、１０３・・・下位レイヤ通信制御部、１０４・・・
下位レイヤ通信制御部用電源、１０５・・・上位レイヤ
制御部、１０６・・・上位レイヤ用電源、１０７・・・
上位レイヤ用電源投入信号、１０８・・・上位レイヤ用
電源切断信号、１０９・・・サービスユニット、１１０
・・・下位レイヤ通信制御部用電源バス、１１１・・・
上位レイヤ用電源バス。FIG. 1 is a hardware block diagram of an embodiment of the present invention. FIG. 2 is a power supply control sequence according to an embodiment of the present invention. FIG. 3 is a power supply control sequence according to an embodiment of the present invention. 101... Host device, 102... Packet communication line, 103... Lower layer communication control unit, 104...
Power supply for lower layer communication control unit, 105... Upper layer control unit, 106... Power supply for upper layer, 107...
Upper layer power-on signal, 108... Upper layer power-off signal, 109... Service unit, 110
...lower layer communication control unit power supply bus, 111...
Power bus for upper layers.
Claims (1)
ＩＴＴ勧告Ｘ．２５に規定する第３層以下の下位層を制
御する第一ユニットおよび第４層以上の上位層の制御を
含む自装置全体の制御を行う第二ユニットを備えたパケ
ット通信端末装置において、 上記第一ユニットは、上記第二ユニットの専用電源の切
断に応じて起動され、到来する上記パケット電文の内容
を確認する確認手段と、この内容がこの専用電源の投入
指令であることが確認されるとこの専用電源を投入する
投入手段と、この専用電源投入による上記第二ユニット
の動作開始に応じて上記確認手段の動作を中止する制御
手段とを備え、 上記第二ユニットは、その専用電源の投入状態時に到来
する上記パケット電文の内容が電源切断の指令であると
きにこの専用電源を切断する切断手段を備えた ことを特徴とするパケット通信端末装置。[Claims] 1. CC according to the packet message arriving from the host device
ITT Recommendation X. In the packet communication terminal device provided with a first unit that controls the lower layers below the third layer and a second unit that controls the entire device including control of the upper layers above the fourth layer, One unit is activated in response to disconnection of the dedicated power source of the second unit, and includes a confirmation means for confirming the content of the incoming packet message, and when it is confirmed that this content is a command to turn on the dedicated power supply. The second unit is equipped with a power-on means for turning on the dedicated power, and a control means for stopping the operation of the confirmation means in response to the start of operation of the second unit due to the power-on of the dedicated power. A packet communication terminal device comprising a disconnection means for disconnecting the dedicated power supply when the content of the packet message that arrives in the state is a command to disconnect the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33432690A JP2665046B2 (en) | 1990-11-29 | 1990-11-29 | Packet communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33432690A JP2665046B2 (en) | 1990-11-29 | 1990-11-29 | Packet communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04200135A true JPH04200135A (en) | 1992-07-21 |
| JP2665046B2 JP2665046B2 (en) | 1997-10-22 |
Family
ID=18276107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33432690A Expired - Lifetime JP2665046B2 (en) | 1990-11-29 | 1990-11-29 | Packet communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2665046B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263673A (en) * | 2006-03-28 | 2007-10-11 | Railway Technical Res Inst | Seismic observation system using electronic mail |
-
1990
- 1990-11-29 JP JP33432690A patent/JP2665046B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263673A (en) * | 2006-03-28 | 2007-10-11 | Railway Technical Res Inst | Seismic observation system using electronic mail |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2665046B2 (en) | 1997-10-22 |
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