WO2012014508A1 - 送受信システム及び送受信方法 - Google Patents
送受信システム及び送受信方法 Download PDFInfo
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- WO2012014508A1 WO2012014508A1 PCT/JP2011/053449 JP2011053449W WO2012014508A1 WO 2012014508 A1 WO2012014508 A1 WO 2012014508A1 JP 2011053449 W JP2011053449 W JP 2011053449W WO 2012014508 A1 WO2012014508 A1 WO 2012014508A1
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- transmission
- standby
- system device
- reception
- standby system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4291—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a clocked protocol
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
Definitions
- the present invention relates to a transmission / reception system and a transmission / reception method for transmitting / receiving a data signal and a control signal between an active device and a standby device.
- device parameters may be set from an RS232-C serial interface compliant with RS232-C (Recommended Standard 232 Version C). There is also a configuration for connecting a printer having an RS232-C serial interface to the apparatus.
- RS232-C serial interface compliant with RS232-C (Recommended Standard 232 Version C).
- ⁇ ⁇ Reliability may be improved by making such a device a duplex device including an active device and a standby device.
- the redundant apparatus when a failure occurs in the active system apparatus, the standby system apparatus up to that point is newly used as the active system apparatus. In this case, it is necessary to connect a printer or the like connected to the active system device up to that point through the RS232-C serial interface to the standby system device without human operation.
- a first data conversion unit or the like is provided in the active system switch
- a second data conversion unit or the like is provided in the standby system switch
- the first data conversion unit and the second data conversion unit are connected to the first transfer line.
- the second transfer line and the third transfer line are bidirectionally connected, the serial data is transferred bidirectionally by the first transfer line, the clock is transferred bidirectionally by the second transfer line, and the third transfer line is transferred by the third transfer line.
- Patent Document 2 a data transfer device on the transmission side converts a parallel state control signal and a parallel data signal into parallel / serial conversion, thereby converting the serial signal into a single serial signal.
- a technique for transmitting a signal and a synchronization signal to a data transfer device on the receiving side is described.
- JP 2002-262375 A (paragraphs [0013] to [0015] etc.) JP-A-11-074856 (paragraph [0013] etc.)
- an operation system device transmits a signal received from a device connected to an operation system device (operation system switch) and a signal to be transmitted to a device connected to the operation system device (operation system switch). It can be handled by the transmission / reception device connected to the (active system switch), but the signal received from the device connected to the standby system device (standby system switch) and the device connected to the standby system device (standby system switch) A signal to be transmitted cannot be handled by a transmission / reception device mounted on an operation system device (operation system switch). The same applies to the technique described in Patent Document 2.
- the device connected to the previous active device is replaced with a new active device (the previous standby device). Since the device can continue to be used without being reconnected, there is no need to change the connection destination of the device every time the active system is replaced, and thus maintainability is increased.
- the present invention allows a signal received from a device connected to the standby system device and a signal to be transmitted to the device connected to the standby system device to be handled by a transmission / reception device mounted on the active system device. It is an object of the present invention to provide a transmission / reception system and a transmission / reception method that enable communication.
- a transmission / reception system that transmits and receives a data signal and a control signal between an active device and a standby device, the multiplexer provided in the active device, and the active device.
- the data signal and the control signal to be transmitted to the receiving device are multiplexed by parallel / serial conversion using the multiplexer of the standby device, and are transmitted from the standby device to the operational device as one serial reception signal.
- a circuit that performs demultiplexing by serial / parallel conversion using a demultiplexer of the operational system device, and the operational system A data signal and a control signal that are input from a remote transmission device and transmitted to a device connected to the standby system device are multiplexed by parallel / serial conversion using a multiplexer of the operation system device, and one serial A transmission / reception system comprising: a circuit that transmits a transmission signal from the operation system device to the standby system device and demultiplexes the serial signal by using serial / parallel conversion using a demultiplexer of the standby system device.
- a transmission / reception method for transmitting / receiving a data signal and a control signal between an active system device and a standby system device, wherein the standby system device receives from a device connected to the standby system device. Then, the data signal and the control signal to be transmitted to the reception device of the operation system device are multiplexed by parallel / serial conversion using the multiplexer of the standby system device, and are multiplexed as one serial reception signal from the standby system device.
- a data signal and a control signal to be transmitted are multiplexed by parallel / serial conversion using a multiplexer of the operational system device,
- a transmission / reception method characterized by transmitting as a real transmission signal from the operational system device to the standby system device and demultiplexing by serial / parallel conversion using a demultiplexer of the standby system device .
- the standby system apparatus uses the multiplexer of the standby system apparatus for the data signal and the control signal received from the device connected to the standby system apparatus and transmitted to the reception apparatus of the operational system apparatus. Multiplexed by parallel / serial conversion, transmitted as one serial received signal from the standby system device to the operational system device, and demultiplexed by serial / parallel conversion using the demultiplexer of the operational system device A data signal and a control signal that are input from a transmission circuit of the operation system apparatus and transmitted to a device connected to the standby system apparatus using a multiplexer of the operation system apparatus. Multiplexed from the active system device to the standby system device as a single serial transmission signal.
- a circuit for demultiplexing by serial / parallel conversion using a multiplexer so that a signal received from a device connected to the standby system device and a signal to be transmitted to the device connected to the standby system device It can be handled by a transmission / reception device mounted on an operational system device.
- the embodiment of the present invention is characterized in that communication of control signals and data between an active system and a standby system is realized by, for example, four signal lines by multiplexing RS232-C control signals and data. There is.
- the RS232-C asynchronous interface has 5 control signals and 2 data.
- the control signal includes input signals DCD (carrier detection), DSR (data set ready), CTS (transmission ready) and output signals DTR (data terminal ready), RTS (transmission request), and data is RxD ( Reception data) and SxD (transmission data).
- these control signals and data are multiplexed and converted into two signal lines, and the control signals and data are transferred from the active system device to the standby system.
- the transmission clock for example, the clock 11.0592 MHz that generates the baud rate of RS232-C is used.
- One frame of the multiplexed signal is, for example, 18 clocks of 11.0592 Mz, and a frame head signal indicating the head of the frame is generated.
- a total of four clocks, one frame head, and two multiplexed signals are used to transfer control signals and data between the active system and the standby system.
- Redundant devices have an active system and a standby system, and normally operate in the active system. If an abnormality occurs in the active system, it switches to the standby system and operates.
- duplexing apparatuses There are two types of duplexing apparatuses, a hot standby system and a cold standby system, but this embodiment applies to the cold standby system.
- the cold standby method is a method in which the standby system waits in a non-operating state and starts when the operating system becomes abnormal.
- FIG. 1 is a block diagram showing the RS232-C interface portion of the duplexer. Since the active system and the standby system are the same device, the configuration is the same. The active system will be described below, but the standby system is the same.
- the RS232-C interface is normally composed of a UART (Universal Asynchronous Receiver Receiver Transmitter) that performs serial / parallel conversion by the RS232-C transceiver start-stop synchronization method that satisfies the electrical characteristics of RS232-C.
- UART Universal Asynchronous Receiver Receiver Transmitter
- a selector 13 is added between the RS232-C transceiver 12 and the UART 14.
- the selector 13 is a selector that determines whether the control signal and data from the RS232-C transceiver 12 are connected to the UART 14 or the multiplexer / demultiplexer 15.
- the multiplexer / demultiplexer 15 includes the multiplexer circuit and the demultiplexer circuit.
- the standby system receives the data signal and the control signal received from the RS-232C device connected to the standby system and transmitted to the active system receiver (UART).
- the signal is multiplexed by parallel / serial conversion using a circuit, transmitted as one serial reception signal from the standby system to the operation system, and demultiplexed by serial / parallel conversion using an operation system demultiplexer circuit.
- the data signal and control signal input from the operational transmission device (UART) and transmitted to the RS-232C device connected to the standby system are converted into parallel / serial data using the operational multiplexer circuit.
- the clock / frame head generation circuit 16 generates a clock for generating a multiplexed signal by the multiplexer / demultiplexer 15, and further generates a frame head for transmitting the head of the multiplexed signal frame to the standby system. .
- the multiplexer / demultiplexer 15 uses these clocks and the frame head to generate multiplexed data as shown in FIG. Also, the multiplexed data is separated at the timing shown in FIG.
- the clock, frame head, and multiplexed signal (output) are signals transmitted from the multiplexer / demultiplexer 15 on the operating system side to the multiplexer / demultiplexer 25 on the standby system side.
- RTS and DTR indicate control signals on the active system side.
- RTS and DTR indicate control signals on the standby system side.
- the control signal and data from the RS232-C connection device are multiplexed and transmitted / received by four signal lines.
- a device such as a printer (RS232-C connection device 10) is connected to the RS232-C interface as shown in FIG.
- control signals and data are input to the selector 13 via the operational RS232-C transceiver 12.
- the selector 13 is switched to connect to the UART 14.
- the circuit configuration is the same as the general RS232-C described above.
- the RS232-C connection device is connected to the operating system connector except for a human operation.
- the RS232-C connection device is connected to the selector 13 via the active RS232-C transceiver 12 in the same manner as before.
- the selector 13 switches to the multiplexer / demultiplexer 15 side.
- the connection to the RS232-C connection device is connected to the multiplexer / demultiplexer 15 instead of the active UART 14.
- the multiplexer / demultiplexer 15 receives the clock and frame head from the standby clock / frame head generation circuit 26, and generates multiplexed data according to the format of FIG.
- the reason why the clock and the frame head generated by the standby clock / frame head generation circuit 26 are used is that it is necessary to output to the RS232-C connection device 10 using the clock of the operating device. .
- the standby multiplexer / demultiplexer 25 separates the multiplexed signal generated by the multiplexer / demultiplexer 15 and transmits it to the selector 23.
- the selector 23 switches to the UART 24 side.
- the connection between the standby UART 24 and the RS232-C connection device 10 is established. This configuration is the same when the connection to the active system is switched even when the RS232-C connection device is connected to the standby system.
- the embodiment of the present invention is not limited to the above-described embodiment, but can also be applied to a duplex device having an RS232-C interface, for example, a device to which a printer or a modem is connected.
- FIG. 3 shows in detail the selectors and multiplexers / demultiplexers of the 0 system (for example, the active system) and the 1 system (for example, the standby system). That is, FIG. 3 shows a UART connection state when the UART is the receiving side.
- the redundant device is one unit (system 0) that operates as the active system (ACT), and the other system (system 1) becomes the standby system (STBY), and automatically when a failure occurs in the operational system.
- system 0 becomes a standby system and the 1 system operates as an active system.
- the standby system constantly monitors the operational state of the active system, and automatically switches the system when it detects that the active system has stopped operating.
- 13-1, 13-2, and 13-4 are gates in the 0-system selector, and 13-3 is an OR circuit.
- Reference numerals 23-1, 23-2, and 23-4 denote gates in the 1-system selector 13, and 23-3 denotes an OR circuit.
- Reference numeral 15-1 denotes a multiplexer in the 0-system multiplexer / demultiplexer 15, and reference numeral 15-2 denotes a demultiplexer.
- Reference numeral 25-1 denotes a multiplexer in the 1-system multiplexer / demultiplexer 25
- reference numeral 25-2 denotes a demultiplexer.
- control signal (two) and the multiplexed signal (two) are transmitted and received as described above.
- FIG. 5, FIG. 6, and FIG. 7 are diagrams showing respective states when the UART is on the receiving side.
- An x mark in the gate in the figure indicates that the gate is in an open state (OFF).
- No indication on the gate indicates that the gate is closed (ON).
- FIG. 4 shows a state 1 in which only the gate 23-4 is open.
- state 1 for example, the 0 system operates as an active system, the 1 system operates as a standby system, and the OR circuit is connected regardless of whether the RS232-C connection device 10 of FIG. 1 is connected to the active system or the standby system. Since the logical sum is obtained at 13-3, the RS232-C signal from the connected device can be received by the UART 14.
- FIG. 5 shows state 2.
- the gates 23-1, 23-2 are open, and the other gates are closed.
- system 0 is operating as an active system
- system 1 is operating as a maintenance system (under maintenance)
- gates 23-1, 23-21 are open, so system 1 is in the system 1 (maintenance system). Without interrupting the operation of the (active system), it is possible to connect a connected device to the first system (maintenance system) and perform a connection test or the like independently of the first system. The operation during maintenance will be described later.
- FIG. 6 shows state 3.
- the gates 13-4, 23-1, and 23-2 are open, and the other gates are closed.
- system 0 is a standby system
- system 1 is a maintenance system (maintenance system), and neither system is operating.
- the connection test and the like as described above can be performed in the 1 system (maintenance system) without affecting the 0 system (standby system).
- FIG. 7 shows state 4.
- the gates 13-1, 13-2, 23-1, and 23-2 are open, and the other gates are closed.
- both the 0 system and 1 system are maintenance systems (maintenance in progress), and neither system is in operation, but the above-described connection test or the like is performed independently for both the 0 system and 1 system. It becomes possible.
- FIG. 8 shows details of the 0-system and 1-system selector and multiplexer / demultiplexer when the UART is on the transmission side. That is, FIG. 8 shows a UART connection state when the UART is on the transmission side.
- 13-6, 13-7, and 13-8 are gates in the 0-system selector, and 13-5 is an OR circuit.
- 15-3 is a demultiplexer in the 0-system multiplexer / demultiplexer
- 15-4 is a multiplexer.
- Reference numeral 25-4 denotes a multiplexer in the 1-system multiplexer / demultiplexer
- reference numeral 25-3 denotes a demultiplexer.
- FIG. 9, FIG. 10, FIG. 11 and FIG. 12 are diagrams showing respective states when the UART is on the transmission side.
- An x mark on the gate indicates that the gate is open (OFF).
- No indication on the gate indicates that the gate is closed (ON).
- 9 to 12 show the state when the UART is on the transmission side, and the operation is in the opposite direction to the operation when the UART of FIGS. 4 to 7 is on the reception side.
- FIG. 9 shows the state 1 and only the gate 23-8 is open.
- the 0 system operates as an active system
- the 1 system operates as a standby system
- the OR circuit is connected regardless of whether the RS232-C connection device 10 of FIG. 1 is connected to the active system or the standby system. Since the logical sum is obtained at 13-5 and 23-5, the signal from the UART 14 can be transmitted to either device.
- FIG. 10 shows state 2.
- the gates 23-6 and 23-7 are open, and the other gates are closed.
- the 0 system operates as the active system
- the 1 system operates as the maintenance system (during maintenance), but the 1 system (maintenance system) does not interrupt the operation of the 0 system (active system). It is possible to perform a connection test or the like independently by connecting a connected device to the maintenance system).
- FIG. 11 shows state 3.
- the gates 13-8, 23-6, 23-7 are open, and the other gates are closed.
- system 0 is a standby system
- system 1 is a maintenance system (under maintenance), and both systems are not operating.
- the connection test and the like as described above can be performed in the 1 system (maintenance system) without affecting the 0 system (standby system).
- FIG. 12 shows state 4.
- the gates 13-6, 13-7, 23-6, 23-7 are open, and the other gates are closed.
- both the 0 system and 1 system are maintenance systems (maintenance in progress), and neither system is in operation, but the above-described connection test or the like is performed independently for both the 0 system and 1 system. be able to.
- the RS232-C signal when the active RS232-C signal is connected to the standby system, the RS232-C signal is sampled at a higher sampling rate than the RS232-C communication speed, and the data and control signal are converted into serial data. It is possible to reduce the number of lines (7 ⁇ 4).
- the received data is transmitted as it is to the standby system, so there is no need for data synchronization by detecting the start bit. Since all the data (data / control signal) is only serially and paralyzed, the start bit is not detected and the start bit is detected by UART as before.
- the active system and the standby system have, for example, two ports (#A, #B in FIG. 2) RS232-C ports.
- each device has two sets of input / output connectors, RS232-C. C driver, selector, and UART.
- the input / output connector of the second port is omitted.
- the multiplexed signals #A and #B in FIG. 2 are RS232-C signals of each port, and the signals for 2 ports input to the multiplexer are 2 ports (7 bits for each frame of 18 clock intervals in FIG. 2).
- X2) data is multiplexed and transmitted / received.
- the sampling rate of the multiplexer that serializes the RS232-C signal is 16 times the RS232-C communication speed ⁇ the number of transmission / reception bits or an integer multiple thereof (baud rate ⁇ 16 ⁇ number of transmission / reception bits ⁇ N).
- the baud rate in the above embodiment is 38.4 Kbps or less.
- UART generally samples and receives an RS232-C signal at a clock 16 times the RS232-C communication speed.
- the multiplexer samples and multiplexes the signal input to the active UART with a clock 16 times N times the communication speed, thereby reproducing the waveform at a finer interval than the sampling timing of the standby UART. It becomes possible. When the communication speed is low, sampling is performed at N times speed, so that the accuracy of the reproduced waveform is higher.
- 16 ⁇ 2 32 times (2 times) in the case of 38.4 Kbps
- 16 ⁇ 2 32 times (2 times) in the case of 19.2 Kbps
- 16 ⁇ 4 64 times (4 times) in the case of 9.6 Kbps.
- the value of 11.0592 Mbps / 18 is divisible by 1, 2 or 4 times. However, it is sufficient to sample at a high clock, and 3 times and 5 times are possible. In the sampling method of the embodiment shown in FIG. 2, each RS-232C signal is sampled sequentially at the transmission clock of 11.0592 Mbps, but all RS232-C signals may be read at the timing of the frame head.
- the logical sum of the RS232-C signal from the RS232-C input port to the UART and the RS232-C signal from the other duplex device is taken to the RS232 input port of any device. Even when the -C device is connected, communication with the RS232-C device is possible.
- the 0 system is the first active system
- the 1 system is the first standby system
- the switch gate in FIG. 4 and the like
- the UART is turned on in the active system and turned off in the standby system.
- the RS232-C device is connected to the operation system (0 system) input / output connector 11 and the RS232-C signal from the 0 system input / output connector 11 is input to the UART 14 through the OR circuit 13-3.
- the RS232-C device since the RS232-C device is not connected to the 1-system (standby system) input / output connector 21, only the signal from the 0-system input / output connector 11 is input.
- the 0 system becomes the standby system
- the 1 system becomes the active system
- the 0 system switch is turned off
- the 1 system switch is turned on.
- the RS232-C signal of the RS232-C device connected to the input / output connector 11 of the standby system (0 system) passes through the OR circuit 23-3 of the active system (1 system) to the active system (1 system).
- Communication with an RS232-C device that is input to the UART 24 and connected to the 0-system in which a failure has occurred in the 1-system apparatus is enabled.
- the input from the other device of the duplex is prohibited by the setting of the own CPU connection, and communication with the RS232-C device connected to the device set to the own CPU connection is possible.
- Each of the active system and standby system is set to either “according to ACT / STBY setting” or “not complying with ACT / STBY setting (local CPU connection)”. Normally, when the RS232-C signal is automatically switched, both devices are set to “according to ACT / STBY setting”.
- FIG. 3 shows the UART connection state when the UART is on the receiving side as described above
- FIG. 8 shows the UART connection state when the UART is on the transmitting side (RS232-C transceiver and the like are omitted in FIG. 3 and the like).
- . 4 to 7 show the respective states when the UART is on the receiving side.
- the standby system (system 1) RS232-C input / output connector is not connected to the standby system UART 24 (the system 1 gate 23-4 is OFF), so it is connected to the standby system. Cannot communicate with the connected RS232-C device.
- the standby system (system 1) is set to “do not comply with ACT / STBY setting (own CPU connection)”
- the gates 23-1 and 23-2 of system 1 are turned off as shown in FIG. Since -4 is turned ON, the RS232-C device connected to the standby system (system 1) is connected to the standby system UART and can communicate (maintenance function).
- FIG. 5 shows an example in which system 1 is a maintenance function.
- the 0 system is operated by the active system (ACT)
- the 1 system is operated by the standby system (STBY)
- the RS232-C device is connected to the active system (0 system).
- ACT active system
- STBY standby system
- the RS232-C device is connected to the active system (0 system).
- the RS-232C device is connected to the input / output connector of the operating system (0 system) by setting the 1 system to “not comply with ACT / STBY setting (own CPU connection)”. Even if this device is in communication with the active (0 system) UART, the data registration device connected to the standby (1 system) RS232-C connector is connected to the standby (1 system) UART. It is possible to set standby system (1 system) data.
- the data registration device is connected to both devices by setting both the 0-system and 1-system devices to “not comply with ACT / STBY setting (local CPU connection)”. Setting is possible (state shown in FIG. 7).
- the gates 13-2 and 23-2 shown in FIG. 4 and the like are located between the multiplexer and the OR circuit, and turn ON / OFF the input to the OR circuit.
- the device connected to the previous active device is replaced with a new active device (the previous standby device). Since the device can continue to be used without being reconnected, there is no need to change the connection destination of the device every time the active system is replaced, and thus maintainability is increased.
- the signal received from the device connected to the active device and the signal to be transmitted to the device connected to the active device can also be handled by the transmission / reception apparatus mounted on the operation system apparatus.
- a transmission / reception system comprising:
- the transmission / reception system according to supplementary note 1,
- the number of devices connected to the operational system device and the number of devices connected to the standby system device are the same and plural,
- the transmission / reception system, wherein each of the multiplexer of the active system, the multiplexer of the standby system, the demultiplexer of the active system, and the demultiplexer of the standby system handles signals transmitted and received by a plurality of devices.
- the transmission / reception system according to supplementary note 1 or 2, A circuit for supplying a data signal and a control signal received from the device connected to the operation system device to the operation system device to the reception device of the operation system device; A circuit for transmitting a data signal and a control signal input from the transmission device of the operational system device to the device connected to the operational system device; A transmission / reception system further comprising:
- the transmission / reception system according to supplementary note 3, A circuit that prohibits supply of the data signal and the control signal received from the device connected to the standby system device to the standby system device to the reception device of the operation system device; A circuit for prohibiting supply of the data signal and the control signal received from the device connected to the operational system device to the reception device of the standby system device by the operational system device; A circuit for supplying the data signal and the control signal received from the device connected to the standby system device to the standby system device to the standby system device; A circuit for prohibiting transmission of the data signal and control signal input from the transmission device of the standby system device to the device connected to the operation system device; A circuit that prohibits transmission of the data signal and control signal input from the transmission device of the active device to the device connected to the standby device; A circuit for supplying a data signal and a control signal input from the transmission device of the standby system device to the device connected to the standby system; A transmission / reception system further comprising:
- a transmission / reception method for transmitting / receiving a data signal and a control signal between an active system device and a standby system device The standby system device performs parallel / serial conversion on the data signal and control signal received from the device connected to the standby system device and transmitted to the reception device of the active system device using the multiplexer of the standby system device.
- the transmission / reception method according to supplementary note 6,
- the number of devices connected to the operational system device and the number of devices connected to the standby system device are the same and plural,
- the transmission / reception method characterized in that each of the multiplexer of the active system, the multiplexer of the standby system, the demultiplexer of the active system, and the demultiplexer of the standby system handles signals transmitted and received by a plurality of devices.
- the transmission / reception method according to supplementary note 6 or 7, Furthermore, The operation system apparatus supplies the data signal and the control signal received from the device connected to the operation system apparatus to the reception apparatus of the operation system apparatus, Transmitting the data signal and the control signal input from the transmission device of the operational system device to the device connected to the operational system device; A transmitting / receiving method characterized by the above.
- the transmission / reception method according to supplementary note 8 The transmission / reception method according to claim 8, Furthermore, Prohibiting supply of the data signal and the control signal received from the device connected to the standby system device to the reception device of the operation system device by the standby system device, Prohibiting the supply of the data signal and the control signal received from the device connected to the active device to the standby device by the active device,
- the standby system device supplies the data signal and control signal received from the device connected to the standby system device to the standby system device receiver, Prohibiting transmission of the data signal and control signal input from the transmission device of the standby system device to the device connected to the operation system device, Prohibiting transmission of the data signal and control signal input from the transmission device of the operational system device to the device connected to the standby system device, Supplying the data signal and the control signal input from the transmission device of the standby system device to the device connected to the standby system;
- the present invention can be suitably used for an apparatus having an RS232-C interface (start-stop synchronization) such as an exchange, a router, and an Ethernet (registered trademark) HUB and having a duplex configuration.
- an RS232-C interface start-stop synchronization
- an exchange such as an exchange, a router, and an Ethernet (registered trademark) HUB
- an Ethernet registered trademark
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Abstract
Description
11、21 入出力コネクタ
12、22 RS232-Cトランシーバ
13、23 セレクタ
14、24 UART
15、25 マルチプレクサ/デマルチプレクサ
16、26 クロック/フレームヘッド生成回路
13-1、13-2、13-4 ゲート
13-6、13-7、13-8 ゲート
23-1、23-2、23-4 ゲート
23-6、23-7、23-8 ゲート
15-1、15-4、25-1、25-4 マルチプレクサ
15-2、15-3、25-2、25-3 デマルチプレクサ
13-3、13-5、23-3、23-5 論理和回路
本発明の代表的な実施の形態が詳細に述べられたが、様々な変更(changes)、置き換え(substitutions)及び選択(alternatives)が請求項で定義された発明の精神と範囲から逸脱することなくなされることが理解されるべきである。また、仮にクレームが出願手続きにおいて補正されたとしても、クレームされた発明の均等の範囲は維持されるものと発明者は意図する。
前記運用系装置に備えられたマルチプレクサと、
前記運用系装置に備えられたデマルチプレクサと、
前記待機系装置に備えられたマルチプレクサと、
前記待機系装置に備えられたデマルチプレクサと、
前記待機系装置が該待機系装置に接続されている機器から受信し、前記運用系装置の受信装置に送信するデータ信号及び制御信号を、前記待機系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル受信信号として前記待機系装置から前記運用系装置に送信し、前記運用系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する回路と、
前記運用系装置の送信装置から入力し、前記待機系装置に接続されている機器に送信するデータ信号及び制御信号を、前記運用系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル送信信号として前記運用系装置から前記待機系装置に送信し、前記待機系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する回路と、
を備えることを特徴とする送受信システム。
前記運用系装置に接続されている機器及び前記待機系装置に接続されている機器は同数且つ複数であり、
前記運用系装置のマルチプレクサ、前記待機系装置のマルチプレクサ、前記運用系のデマルチプレクサ及び前記待機系のデマルチプレクサは、それぞれ、複数の機器が送受信する信号を扱うことを特徴とする送受信システム。
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号を、前記運用系装置の受信装置に供給する回路と、
前記運用系装置の送信装置から入力したデータ信号及び制御信号を、前記運用系装置に接続されている前記機器に送信する回路と、
を更に備えることを特徴とする送受信システム。
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記運用系装置の受信装置への供給を禁止する回路と、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置への供給を禁止する回路と、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置へ供給する回路と、
前記待機系装置の送信装置から入力したデータ信号及び制御信号の前記運用系装置に接続されている前記機器への送信を禁止する回路と、
前記運用系装置の送信装置から入力したデータ信号及び制御信号の前記待機系装置に接続されている前記機器への送信を禁止する回路と、
前記待機系装置の送信装置から入力したデータ信号及び制御信号を前記待機系に接続されている前記機器へ供給する回路と、
を更に備えることを特徴とする送受信システム。
ボーレート×M×N
であって、
Mは、前記シリアル受信信号又は前記シリアル送信信号に要する数値以上の最低の2のべき乗の整数
Nは1以上の整数
であることを特徴とする送受信システム。
前記待機系装置が該待機系装置に接続されている機器から受信し、前記運用系装置の受信装置に送信するデータ信号及び制御信号を、前記待機系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル受信信号として前記待機系装置から前記運用系装置に送信し、前記運用系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化し、
前記運用系装置の送信装置から入力し、前記待機系装置に接続されている機器に送信するデータ信号及び制御信号を、前記運用系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル送信信号として前記運用系装置から前記待機系装置に送信し、前記待機系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する、
ことを特徴とする送受信方法。
前記運用系装置に接続されている機器及び前記待機系装置に接続されている機器は同数且つ複数であり、
前記運用系装置のマルチプレクサ、前記待機系装置のマルチプレクサ、前記運用系のデマルチプレクサ及び前記待機系のデマルチプレクサは、それぞれ、複数の機器が送受信する信号を扱うことを特徴とする送受信方法。
更に、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号を、前記運用系装置の受信装置に供給し、
前記運用系装置の送信装置から入力したデータ信号及び制御信号を、前記運用系装置に接続されている前記機器に送信する、
ことを特徴とする送受信方法。
請求項8に記載の送受信方法であって、
更に、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記運用系装置の受信装置への供給を禁止し、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置への供給を禁止し、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置へ供給し、
前記待機系装置の送信装置から入力したデータ信号及び制御信号の前記運用系装置に接続されている前記機器への送信を禁止し、
前記運用系装置の送信装置から入力したデータ信号及び制御信号の前記待機系装置に接続されている前記機器への送信を禁止し、
前記待機系装置の送信装置から入力したデータ信号及び制御信号を前記待機系に接続されている前記機器へ供給する、
ことを特徴とする送受信方法。
ボーレート×M×N
であって、
Mは、前記シリアル受信信号又は前記シリアル送信信号に要する数値以上の最低の2のべき乗の整数
Nは1以上の整数
であることを特徴とする送受信方法。
Claims (10)
- 運用系装置と待機系装置との間でデータ信号及び制御信号を送受信する送受信システムであって、
前記運用系装置に備えられたマルチプレクサと、
前記運用系装置に備えられたデマルチプレクサと、
前記待機系装置に備えられたマルチプレクサと、
前記待機系装置に備えられたデマルチプレクサと、
前記待機系装置が該待機系装置に接続されている機器から受信し、前記運用系装置の受信装置に送信するデータ信号及び制御信号を、前記待機系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル受信信号として前記待機系装置から前記運用系装置に送信し、前記運用系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する回路と、
前記運用系装置の送信装置から入力し、前記待機系装置に接続されている機器に送信するデータ信号及び制御信号を、前記運用系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル送信信号として前記運用系装置から前記待機系装置に送信し、前記待機系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する回路と、
を備えることを特徴とする送受信システム。 - 請求項1に記載の送受信システムであって、
前記運用系装置に接続されている機器及び前記待機系装置に接続されている機器は同数且つ複数であり、
前記運用系装置のマルチプレクサ、前記待機系装置のマルチプレクサ、前記運用系のデマルチプレクサ及び前記待機系のデマルチプレクサは、それぞれ、複数の機器が送受信する信号を扱うことを特徴とする送受信システム。 - 請求項1又は2に記載の送受信システムであって、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号を、前記運用系装置の受信装置に供給する回路と、
前記運用系装置の送信装置から入力したデータ信号及び制御信号を、前記運用系装置に接続されている前記機器に送信する回路と、
を更に備えることを特徴とする送受信システム。 - 請求項3に記載の送受信システムであって、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記運用系装置の受信装置への供給を禁止する回路と、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置への供給を禁止する回路と、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置へ供給する回路と、
前記待機系装置の送信装置から入力したデータ信号及び制御信号の前記運用系装置に接続されている前記機器への送信を禁止する回路と、
前記運用系装置の送信装置から入力したデータ信号及び制御信号の前記待機系装置に接続されている前記機器への送信を禁止する回路と、
前記待機系装置の送信装置から入力したデータ信号及び制御信号を前記待機系に接続されている前記機器へ供給する回路と、
を更に備えることを特徴とする送受信システム。 - 請求項1乃至4の何れか1項に記載の送受信システムであって、
ボーレート×M×N
であって、
Mは、前記シリアル受信信号又は前記シリアル送信信号に要する数値以上の最低の2のべき乗の整数
Nは1以上の整数
であることを特徴とする送受信システム。 - 運用系装置と待機系装置との間でデータ信号及び制御信号を送受信する送受信方法であって、
前記待機系装置が該待機系装置に接続されている機器から受信し、前記運用系装置の受信装置に送信するデータ信号及び制御信号を、前記待機系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル受信信号として前記待機系装置から前記運用系装置に送信し、前記運用系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化し、
前記運用系装置の送信装置から入力し、前記待機系装置に接続されている機器に送信するデータ信号及び制御信号を、前記運用系装置のマルチプレクサを用いてパラレル/シリアル変換することにより多重化し、1つのシリアル送信信号として前記運用系装置から前記待機系装置に送信し、前記待機系装置のデマルチプレクサを用いてシリアル/パラレル変換することにより逆多重化する、
ことを特徴とする送受信方法。 - 請求項6に記載の送受信方法であって、
前記運用系装置に接続されている機器及び前記待機系装置に接続されている機器は同数且つ複数であり、
前記運用系装置のマルチプレクサ、前記待機系装置のマルチプレクサ、前記運用系のデマルチプレクサ及び前記待機系のデマルチプレクサは、それぞれ、複数の機器が送受信する信号を扱うことを特徴とする送受信方法。 - 請求項6又は7に記載の送受信方法であって、
更に、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号を、前記運用系装置の受信装置に供給し、
前記運用系装置の送信装置から入力したデータ信号及び制御信号を、前記運用系装置に接続されている前記機器に送信する、
ことを特徴とする送受信方法。 - 請求項8に記載の送受信方法であって、
更に、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記運用系装置の受信装置への供給を禁止し、
前記運用系装置が該運用系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置への供給を禁止し、
前記待機系装置が該待機系装置に接続されている機器から受信したデータ信号及び制御信号の前記待機系装置の受信装置へ供給し、
前記待機系装置の送信装置から入力したデータ信号及び制御信号の前記運用系装置に接続されている前記機器への送信を禁止し、
前記運用系装置の送信装置から入力したデータ信号及び制御信号の前記待機系装置に接続されている前記機器への送信を禁止し、
前記待機系装置の送信装置から入力したデータ信号及び制御信号を前記待機系に接続されている前記機器へ供給する、
ことを特徴とする送受信方法。 - 請求項6乃至9の何れか1に記載の送受信方法であって、
ボーレート×M×N
であって、
Mは、前記シリアル受信信号又は前記シリアル送信信号に要する数値以上の最低の2のべき乗の整数
Nは1以上の整数
であることを特徴とする送受信方法。
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EP11812104.5A EP2547014B1 (en) | 2010-07-30 | 2011-02-18 | Transmission/reception system and transmission / reception method |
CN201180018808.7A CN102823163B (zh) | 2010-07-30 | 2011-02-18 | 传送/接收系统和传送/接收方法 |
AU2011284101A AU2011284101B2 (en) | 2010-07-30 | 2011-02-18 | Transmission/reception system and transmission / reception method |
CA2791364A CA2791364C (en) | 2010-07-30 | 2011-02-18 | Transmission/reception system and transmission/reception method |
HK13102128.6A HK1175043A1 (zh) | 2010-07-30 | 2013-02-20 | 傳送/接收系統和傳送/接收方法 |
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EP1890385A4 (en) * | 2005-05-31 | 2010-03-24 | Nec Corp | METHOD AND APPARATUS FOR TRANSFERRING SIGNALS BETWEEN DEVICES |
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2011
- 2011-02-18 CN CN201180018808.7A patent/CN102823163B/zh active Active
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- 2011-02-18 CA CA2791364A patent/CA2791364C/en active Active
- 2011-02-18 AU AU2011284101A patent/AU2011284101B2/en active Active
- 2011-02-18 US US13/636,564 patent/US8625629B2/en active Active
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JPH1174856A (ja) | 1997-08-28 | 1999-03-16 | Oki Electric Ind Co Ltd | データ転送システム |
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See also references of EP2547014A4 |
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EP2547014B1 (en) | 2016-04-13 |
AU2011284101A1 (en) | 2012-10-11 |
CA2791364A1 (en) | 2012-02-02 |
CN102823163B (zh) | 2016-05-18 |
EP2547014A4 (en) | 2015-01-28 |
AU2011284101B2 (en) | 2014-03-13 |
US8625629B2 (en) | 2014-01-07 |
HK1175043A1 (zh) | 2013-06-21 |
CN102823163A (zh) | 2012-12-12 |
US20130010806A1 (en) | 2013-01-10 |
JP4756228B1 (ja) | 2011-08-24 |
EP2547014A1 (en) | 2013-01-16 |
CA2791364C (en) | 2014-08-26 |
JP2012034189A (ja) | 2012-02-16 |
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