JP2015195463A - Communication device, communication method and communication system - Google Patents

Communication device, communication method and communication system Download PDF

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JP2015195463A
JP2015195463A JP2014071777A JP2014071777A JP2015195463A JP 2015195463 A JP2015195463 A JP 2015195463A JP 2014071777 A JP2014071777 A JP 2014071777A JP 2014071777 A JP2014071777 A JP 2014071777A JP 2015195463 A JP2015195463 A JP 2015195463A
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message
code
communication
remote control
operation terminal
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JP6249229B2 (en
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信行 門間
Nobuyuki Kadoma
信行 門間
修一 久間
Shuichi Hisama
修一 久間
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Toshiba Lighting and Technology Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/561—Adding application-functional data or data for application control, e.g. adding metadata
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2807—Exchanging configuration information on appliance services in a home automation network
    • H04L12/281—Exchanging configuration information on appliance services in a home automation network indicating a format for calling an appliance service function in a home automation network

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Health & Medical Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Selective Calling Equipment (AREA)
  • Information Transfer Between Computers (AREA)
  • Small-Scale Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a message which includes a code indicative of communication path information is not appropriately processed by all apparatuses.SOLUTION: In a communication method, it is judged whether or not a predetermined code is interpreted by each apparatus, which is the transmission destination of the message, as the same content. When the apparatus does not interpret the code as the same content, the code is not added to the message. It is also judged whether or not the apparatus is compatible with a function required by the message. When the apparatus is not compatible with the function required by the message, the code is not added to the message.

Description

本発明の実施形態は通信装置、通信方法、および通信システムに関する。   Embodiments described herein relate generally to a communication device, a communication method, and a communication system.

操作端末から、通信装置を介して機器を操作する技術が知られている。たとえば、先に出願した特許文献１では、ECHONETやECHONET Liteを用いた電化製品の遠隔操作手法が開示されている。   A technique for operating a device from a control terminal via a communication device is known. For example, Patent Document 1 filed earlier discloses a method for remotely operating electrical appliances using ECHONET or ECHONET Lite.

特願2013-135286号Japanese Patent Application No. 2013-135286

ECHONETLiteでは、公衆回線を介す遠隔操作の場合、電文にその旨を示すコードの付与が規定されている。しかしながら、通信経路の情報を示すコードを含む電文は、すべての機器に適切に処理されない、という問題がある。   In ECHONETLite, in the case of remote control via a public line, the provision of a code to that effect is specified in the message. However, there is a problem that a message including a code indicating communication path information is not properly processed by all devices.

本実施形態は、電文の送信先である機器が同じ内容として解読するか否かを判断し、前記機器が同じ内容として解読しない場合、前記コードを電文に付与せず；前記電文が要求する機能を前記機器が対応するか否かを判断し、前記電文が要求する機能を前記機器が対応できない場合、前記コードを電文に付与しないことを特徴とする通信方法を提供する。   This embodiment determines whether or not the device that is the transmission destination of the message is to be decoded as the same content, and if the device does not decode the same content, does not give the code to the message; the function requested by the message The communication method is characterized in that if the device cannot support the function required by the message, the code is not assigned to the message.

本実施形態によれば、送信先の機器が所定のコードを適切に処理可能か否かを判断してから、当該コードを電文に付与して送信することが期待できる。   According to the present embodiment, it can be expected that the transmission destination device determines whether or not the predetermined code can be appropriately processed and then assigns the code to the message and transmits it.

第１の実施形態にかかるシステムの構成図1 is a configuration diagram of a system according to a first embodiment. 第１の実施形態にかかる通信装置のブロック図1 is a block diagram of a communication apparatus according to a first embodiment. 第１の実施形態にかかる通信装置の動作フローOperation flow of communication apparatus according to first embodiment 第１の実施形態にかかる電文の構成例Configuration example of a message according to the first embodiment 第１の実施形態にかかる電文の構成例Configuration example of a message according to the first embodiment 第２の実施形態にかかる通信装置のブロック図The block diagram of the communication apparatus concerning 2nd Embodiment 第２の実施形態にかかる通信装置の動作フローOperation flow of communication apparatus according to second embodiment

本発明にかかる実施形態の通信装置は、電文の送信先である機器が同じ内容として解読するか否かを判断し、前記機器が同じ内容として解読しない場合、前記コードを電文に付与せず；前記電文が要求する機能を前記機器が対応するか否かを判断し、前記電文が要求する機能を前記機器が対応できない場合、前記コードを電文に付与しないことを特徴とする通信方法を提供する。
The communication apparatus according to the embodiment of the present invention determines whether or not the device that is the transmission destination of the message is to be decoded as the same content, and does not add the code to the message when the device does not decode the same content; Provided is a communication method characterized by determining whether or not the device supports a function requested by the message, and not assigning the code to the message when the device cannot support the function requested by the message. .

以下、本発明の実施の形態について、図面を参照しながら説明する。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（第１の実施形態） (First embodiment)

本実施形態では、ECHONET Liteにおいて、宅外の操作端末２から、機器３に対し制御命令を含む電文を送り、通信装置１が当該電文に、公衆回線を介した電文であること示すコードを付与すべきか否かを判断する例を説明する。
In this embodiment, in ECHONET Lite, a message containing a control command is sent from the operation terminal 2 outside the home to the device 3, and the communication device 1 gives a code indicating that the message is a message via a public line to the message. An example of determining whether or not to perform will be described.

図１は、第１の実施形態にかかるシステムの構成図である。   FIG. 1 is a configuration diagram of a system according to the first embodiment.

図１の通信システムは、それぞれ有線または無線のネットワークを介して接続された、通信装置１と、宅内または宅外に位置する操作端末２と、通信装置１と通信する機器３と、から構成されている。なお、機器３がレディ機器の場合、アダプタ４を介して通信装置１と通信しても良い。また、操作端末２が宅内に位置する場合は、宅内ネットワークを介して通信装置１と通信可能し、宅外に位置する場合は、公衆回線を介して通信装置１と通信し、外部サーバなど任意の中継装置をさらに介してもよい。
The communication system of FIG. 1 includes a communication device 1, an operation terminal 2 located inside or outside the house, and a device 3 that communicates with the communication device 1, which are connected via a wired or wireless network. ing. When the device 3 is a ready device, it may communicate with the communication device 1 via the adapter 4. Further, when the operation terminal 2 is located in the home, it can communicate with the communication device 1 via the home network. When the operation terminal 2 is located outside the home, it communicates with the communication device 1 via the public line, and an external server or the like is arbitrary. The relay device may be further provided.

通信装置１は、宅内ネットワークを介して接続された機器３の制御または情報収集などといった管理機能を備える。操作端末２は、ユーザの指示によってECHONET／ECHONET Lite形式の電文を生成する移動式端末または固定式端末である。機器３は、たとえばネットワーク対応の家電機器である。なお、操作端末２から受信した任意の指示をもとに、通信装置１がECHONET／ECHONET Lite形式の電文に変換してもよい。
The communication device 1 has a management function such as control of the devices 3 connected via the home network or information collection. The operation terminal 2 is a mobile terminal or a fixed terminal that generates an ECHONET / ECHONET Lite format message according to a user instruction. Device 3 is, for example, a network-compatible home appliance. Note that the communication device 1 may convert the message into an ECHONET / ECHONET Lite format message based on an arbitrary instruction received from the operation terminal 2.

図２は、第１の実施形態にかかる通信装置１のブロック図である。   FIG. 2 is a block diagram of the communication device 1 according to the first embodiment.

通信部１１は、操作端末２または機器３と電文の送受信を行う。   The communication unit 11 transmits and receives messages with the operation terminal 2 or the device 3.

判断部１２は、機能調査部１４およびバージョン調査部１５の判断結果を用いて、後述する所定のコードを付与した電文が機器３によって適切に処理可能か否かを判断する。   The determination unit 12 uses the determination results of the function check unit 14 and the version check unit 15 to determine whether or not a message to which a predetermined code to be described later can be appropriately processed by the device 3.

コード付与部１３は、判断部１２が、所定のコードを付与した電文を機器３が適切に処理可能と判断した場合、前記コードを電文に付与する。判断部１２が、所定のコードを付与した電文を機器３が適当に処理不可と判断した場合、前記コードを電文に付与しない。ここで、所定のコードとは、たとえば当該電文が遠隔操作か否かを示す、通信経路の情報である。その場合、先頭のプロパティとして「EPC=0x93（遠隔操作）」、そのプロパティ値として「EDT=0x42（公衆回線経由操作）」または「EDT=0x41（公衆回線非経由操作）」を付与する。   When the determination unit 12 determines that the device 3 can appropriately process the message with the predetermined code, the code adding unit 13 adds the code to the message. When the determination unit 12 determines that the device 3 cannot properly process the message with the predetermined code, the code is not added to the message. Here, the predetermined code is communication path information indicating, for example, whether or not the electronic message is a remote operation. In this case, “EPC = 0x93 (remote operation)” is assigned as the first property, and “EDT = 0x42 (operation via public line)” or “EDT = 0x41 (operation via public line)” is assigned as the property value.

機能調査部１４は、機器３が、前記コードが要求する機能に対応するか否かを判断する。たとえば、Setプロパティマッププロパティの値を読み出し、遠隔操作プロパティ、すなわち「EPC=0x93」がSetプロパティマップ上に存在するか検査する。   The function examining unit 14 determines whether or not the device 3 corresponds to the function requested by the code. For example, the value of the Set property map property is read, and the remote control property, that is, “EPC = 0x93” is checked on the Set property map.

バージョン調査部１５は、機器３のソフトウェアバージョンを調べ、前記コードを、機器３が同じ内容として解読するか否かを判断する。たとえば、ECHONET機器オブジェクト規定のRelease Cにおいて、「EPC=0x93」は遠隔操作プロパティを意味するが、ECHONET機器オブジェクト規定のRelease C 以前において、「EPC=0x93」は位置情報プロパティを意味する。そのため、バージョンが異なる機器３に電文を送信すると、ユーザが意図しない動きをしたり、通信装置１に意図しない応答を返す可能性がある。したがって、たとえば機器３に規格Version情報プロパティを問い合わせる命令を送信し、応答結果を検査することによって、前記コードを同じ内容として解読するか否かを判断できる。
The version checking unit 15 checks the software version of the device 3 and determines whether the device 3 interprets the code as the same content. For example, in Release C of the ECHONET device object specification, “EPC = 0x93” means a remote operation property, but before Release C of the ECHONET device object specification, “EPC = 0x93” means a location information property. For this reason, when a message is transmitted to the device 3 having a different version, there is a possibility that the user may make an unintended movement or return an unintended response to the communication device 1. Therefore, for example, by sending a command for inquiring the standard Version information property to the device 3 and examining the response result, it can be determined whether or not to decode the code as the same content.

図３は、本実施形態における通信装置１の動作フローを示す。   FIG. 3 shows an operation flow of the communication apparatus 1 in the present embodiment.

図３のフローは、通信装置１が操作端末２から公衆回線を介し、図４のような遠隔制御信号である電文を受信したときに開始する。まず、通信装置１は、電文の送信先である機器３に、規格Version情報およびSetプロパティマップを問い合わせ、機器３から応答を取得する（Ｓ３１）。   The flow in FIG. 3 starts when the communication apparatus 1 receives a telegram as a remote control signal as shown in FIG. 4 from the operation terminal 2 via the public line. First, the communication device 1 inquires the standard version information and the Set property map to the device 3 that is the transmission destination of the message, and acquires a response from the device 3 (S31).

機能調査部１４は、機器３のプロパティマップに「EPC=0x93」が存在するか否かを検査する。存在しない場合、機器３は遠隔操作機能に対応しないと判断できるため、遠隔操作プロパティコードを付与しない（Ｓ３３）。   The function examining unit 14 checks whether “EPC = 0x93” exists in the property map of the device 3. If it does not exist, since it can be determined that the device 3 does not support the remote operation function, no remote operation property code is assigned (S33).

次に、バージョン調査部１５は、機器３が「EPC=0x93」を遠隔操作プロパティと解釈する規格バージョンを搭載しているか調査する（Ｓ３４）。すなわち、規格Version情報プロパティを検査し、搭載しているECHONET機器オブジェクト規定がRelease C以降か否かを判断する。たとえば規格バージョンがRelease B である場合、「EPC=0x93」は異なる意味、すなわち位置情報プロパティとして解釈されるため、遠隔操作プロパティを付与しない（Ｓ３３）。規格バージョンがRelease C である場合、機器３は「EPC=0x93」を遠隔操作プロパティと解釈し、かつ、Ｓ３２にてSetプロパティマップに当該プロパティに対応すると判断されたため、電文の適切な位置に「EDT=0x42（公衆回線経由操作）」を付与する（Ｓ３５）。すなわち、電文は図５のように構成される。   Next, the version checking unit 15 checks whether or not the device 3 has a standard version that interprets “EPC = 0x93” as a remote operation property (S34). That is, the standard version information property is inspected to determine whether the installed ECHONET device object specification is Release C or later. For example, when the standard version is Release B, “EPC = 0x93” is interpreted as a different meaning, that is, a position information property, and thus the remote operation property is not given (S33). When the standard version is Release C, the device 3 interprets “EPC = 0x93” as a remote operation property, and in S32, it is determined that the property corresponds to the property in the Set property map. EDT = 0x42 (operation via public line) "is given (S35). That is, the message is configured as shown in FIG.

なお、Ｓ３３のあと、通信装置１は必要に応じて適切な処理を行ってもよい。たとえば、電文を破棄してもよいし、コードを付与せずにそのままの電文を送信してもよい。また、図３の判断手順によって得た判断結果を、機器３のアドレス、またはオブジェクトコードなどと関連付けて格納し、次回から図３の判断手順を省略してもよい。
In addition, after S33, the communication apparatus 1 may perform an appropriate process as needed. For example, the message may be discarded, or the message as it is may be transmitted without providing a code. Further, the determination result obtained by the determination procedure of FIG. 3 may be stored in association with the address of the device 3 or the object code, and the determination procedure of FIG. 3 may be omitted from the next time.

（第1の実施形態の効果）
第１の実施形態によると、送信先の機器が所定のコードを適切に処理可能か否かを判断してから、当該コードを電文に付与して送信できる。よって、ユーザが意図しない機器の誤作動を防止し、不必要な通信量を削減することができる。
(Effect of the first embodiment)
According to the first embodiment, after the transmission destination device determines whether or not the predetermined code can be appropriately processed, the code can be attached to the message and transmitted. Therefore, it is possible to prevent malfunction of the device that is not intended by the user, and to reduce unnecessary communication amount.

（第２の実施形態）
第２の実施形態では、機器３が、遠隔操作プロパティが付与された電文を受理できるか否かをまず判断する例を説明する。第１の実施形態と同一の構成については同符号を付してその詳細な説明は省略する。
(Second Embodiment)
In the second embodiment, an example will be described in which the device 3 first determines whether or not a telegram to which a remote operation property is assigned can be received. The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

図６は、第２の実施形態にかかる通信装置１のブロック図である。   FIG. 6 is a block diagram of the communication device 1 according to the second embodiment.

第２の実施形態において、通信装置１は、受理調査部１６をさらに備え、判断部１２は、受理調査部１６の判断結果を用いて、所定のコードを付与した電文が機器３によって適切に処理可能か否かを判断する。   In the second embodiment, the communication device 1 further includes an acceptance investigation unit 16, and the determination unit 12 appropriately processes a message to which a predetermined code is assigned by the device 3 using the determination result of the acceptance investigation unit 16. Determine if it is possible.

受理調査部１６は、電文に含まれる命令の数によって、機器３が所定のコード、たとえば遠隔操作プロパティを付与した電文を受理可能か否かを判断する。その手段の例は、図７にて後述する。
The acceptance examining unit 16 determines whether the device 3 can accept a message with a predetermined code, for example, a remote operation property, according to the number of instructions included in the message. An example of the means will be described later with reference to FIG.

図７は、本実施形態における通信装置１の動作フローを示す。   FIG. 7 shows an operation flow of the communication apparatus 1 in the present embodiment.

図７のフローは、通信装置１が操作端末２から公衆回線を介し、図４のような電文を受信したときに開始する。まず、通信装置１は、電文の送信先である機器３に、規格Version情報およびSetプロパティマップを問い合わせ、機器３から応答を取得する（Ｓ６１）。このとき、二つの問合せ内容を一つの電文で送信すると、正常に応答が来れば、機器３が２以上のOPC（命令数）を一度に受理することが可能であることを示す（Ｓ６２）。応答が来なければ、機器３は２以上のOPC（命令数）を一度に受理することができない、すなわち、遠隔操作プロパティを付与すると、機器３が受け付けないことが分かるため、コードを付与しない（Ｓ６３）。Ｓ６４〜Ｓ６６の手順は、第１の実施形態と同様のため、説明は省略する。
The flow in FIG. 7 starts when the communication apparatus 1 receives a message as shown in FIG. 4 from the operation terminal 2 via the public line. First, the communication device 1 inquires the standard version information and the Set property map to the device 3 that is the transmission destination of the message, and acquires a response from the device 3 (S61). At this time, if two inquiry contents are transmitted in one electronic message, if a response is normally received, it indicates that the device 3 can accept two or more OPCs (instructions) at a time (S62). If no response is received, the device 3 cannot accept two or more OPCs (instructions) at a time, that is, if the remote operation property is added, the device 3 does not accept, so no code is assigned ( S63). Since the procedures of S64 to S66 are the same as those in the first embodiment, description thereof is omitted.

（第２の実施形態の効果） (Effect of 2nd Embodiment)

第２の実施形態によると、送信先の機器が２つ以上の命令を一度に受理できるか否かをまず判断するため、受理できない旧バージョンの場合、その後の手順を省略することができる。
According to the second embodiment, since it is first determined whether or not the destination device can accept two or more commands at a time, in the case of an older version that cannot accept, the subsequent procedure can be omitted.

１…通信装置
１１…通信部
１２…判断部
１３…コード付与部
１４…機能調査部
１５…バージョン調査部


DESCRIPTION OF SYMBOLS 1 ... Communication apparatus 11 ... Communication part 12 ... Judgment part 13 ... Code provision part 14 ... Function investigation part 15 ... Version investigation part


Claims (8)

操作端末と機器との通信を中継する通信機器であって、
前記操作端末から遠隔制御信号の電文を受信したときに、この電文に所定のコードを付与した電文を前記機器が処理可能か否かを判断する判断部と；
前記判断部が処理可能と判断した場合、前記受信した電文が前記操作端末による遠隔制御信号である場合に所定のコードを前記電文に付与し、前記判断部が処理不可と判断した場合、前記コードを付与しないコード付与部と；
を有することを特徴とする通信機器。 A communication device that relays communication between the operation terminal and the device,
A determination unit that determines whether the device can process a message in which a predetermined code is added to the message when a message of a remote control signal is received from the operation terminal;
When the determination unit determines that processing is possible, a predetermined code is assigned to the message when the received message is a remote control signal from the operation terminal, and when the determination unit determines that processing is not possible, the code A code assigning unit that does not assign
A communication device comprising: 前記機器のソフトウェアバージョンを調べ、前記コードを、前記機器が所定の内容として解読するか否かを判断するバージョン調査部と；
前記機器の対応機能を調べ、前記コードが要求する機能を前記機器が対応するか否かを判断する機能調査部と；
をさらに備えることを特徴とする請求項１に記載の通信機器。 A version checking unit that checks a software version of the device and determines whether the device interprets the code as a predetermined content;
A function investigation unit that examines the corresponding function of the device and determines whether the device supports the function requested by the code;
The communication device according to claim 1, further comprising: 前記判断部は、
前記コードを、前記機器が同じ内容として解読しないと判断した場合、または前記コードが要求する機能を前記機器が対応しないと判断した場合、前記電文を前記機器が処理不可であると判断する
ことを特徴とする請求項１または２に記載の通信機器。 The determination unit
If the device determines that the device does not decode the same content, or if the device determines that the device does not support the function requested by the code, the device determines that the device cannot process the message. The communication device according to claim 1 or 2, characterized in that: 前記電文に含まれる命令の数によって、前記機器が受理可能か否かを判断する受理調査部と；
を備え、
前記判断部は、前記受理調査部が、前記機器が前記電文を受理不可と判断した場合、前記電文を前記機器が処理不可であると判断する
ことを特徴とする請求項１から請求項３のいずれか一に記載の通信機器。 An acceptance investigation unit that determines whether the device is acceptable according to the number of instructions included in the message;
With
The said judgment part judges that the said apparatus cannot process the said message, when the said receiving investigation part judges that the said apparatus cannot accept the said message. The communication apparatus as described in any one. 前記コードは、公共回線を介する遠隔制御であることを記し、
前記バージョン調査部は、前記機器が前記コードを遠隔制御であることを記すと解釈するか否かを調査する
ことを特徴とする請求項１から請求項４のいずれか一に記載の通信機器。 Note that the code is remote control over a public line,
The communication device according to any one of claims 1 to 4, wherein the version check unit checks whether or not the device interprets the code as indicating that it is remote control. 前記コードは、公共回線を介する遠隔制御であることを記し、
前記機能調査部は、前記機器が遠隔制御対応であるか否かを調査する
ことを特徴とする請求項１から請求項４のいずれか一に記載の通信機器。 Note that the code is remote control over a public line,
The communication device according to any one of claims 1 to 4, wherein the function investigation unit investigates whether or not the device is compatible with remote control. 操作端末から遠隔制御信号の電文を受信したときに、この電文に所定のコードを付与した電文を送信先の機器が処理可能か否かを判断し、処理不可と判断した場合、前記コードを付与せず、処理可能と判断した場合、前記受信した電文が前記操作端末による遠隔制御信号である場合に所定のコードを前記電文に付与して前記機器に送信する
ことを特徴とする通信方法。
When a remote control signal message is received from the operation terminal, it is determined whether or not the transmission destination device can process a message with a predetermined code added to this message. If the received electronic message is a remote control signal from the operation terminal, a predetermined code is added to the electronic message and transmitted to the device.
少なくとも一つの機器と；
前記機器を操作する操作端末と；
前記操作端末から遠隔制御信号の電文を受信したときに、この電文に所定のコードを付与した電文を前記機器が処理可能か否かを判断する判断部と、前記判断部が処理可能と判断した場合、前記受信した電文が前記操作端末による遠隔制御信号である場合に所定のコードを前記電文に付与し、前記判断部が処理不可と判断した場合、前記コードを付与しないコード付与部と、を有する通信機器と；
を備えることを特徴とする通信システム。

At least one device;
An operation terminal for operating the device;
When receiving a remote control signal message from the operation terminal, the determination unit determines whether the device can process a message with a predetermined code added to the message, and the determination unit determines that the message can be processed. If the received message is a remote control signal from the operation terminal, a predetermined code is assigned to the message, and when the determination unit determines that processing is not possible, a code addition unit that does not give the code, Having communication equipment;
A communication system comprising:

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