ネットワークアディションズ List of Products and Services

This document introduces "RPTP (PTP over WAN)." It covers applications in broadcasting, as well as technologies such as MTIS (Multi Time in the Slave) and ADAM (Asymptote Delay Analysis Method), along with future developments, all presented in 14 pages. Please take a look. 【Contents (partial)】 ■ Why RPTP? The background ■ Time synchronization over PTP IP networks ■ What is needed ■ Two technologies ■ Results of the demonstration experiment, etc. *For more details, please refer to the PDF document or feel free to contact us.

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In 2024, the main synchronization means for public circuit networks will be discontinued. NTT has announced that it will end the provision of ISDN services in January 2024. With the termination of ISDN services, network synchronization (clock) signals will no longer be available, so new alternatives to network synchronization signals must be prepared. Radio broadcasting operators currently using ISDN services are encouraged to consider the digital audio synchronization transmission device 'RFD Sync-A300', which can utilize IP packet communication networks (optical line services).

• IoT

The dadBerry-2000 is a dedicated device equipped with time synchronization capabilities compliant with the international standard IEEE1588-2008. It supplies high-precision timing signals to devices and equipment that require synchronization control. It has the following features: 1. Can be integrated into existing networks 2. Outputs up to 6 types of timing signals (including clock), with 1PPS 3. Achieves excellent maintainability and serviceability 4. Custom design is possible

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The RX64M, manufactured by Renesas Electronics and equipped with IEEE1588 functionality, is a device that easily enables daisy chain wiring. By implementing our PTP software on the RX64M, which has two Ethernet ports, it can also function as a Boundary Clock (BC). Synchronized signals necessary for sensor control, including 51.2KHz, 102.4KHz, 204.8KHz, 409.6KHz, and 819.2KHz, are generated using a PLD. Please realize the construction of various sensor networks that leverage the features of the RX microcontroller capable of daisy chain configuration through the implementation of PTP software for the RX family.

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The public circuit network time synchronization solution helps build a wide-area time synchronization network that does not rely on GPS. It can be connected to devices that implement PTP functionality compliant with the IEEE1588-2008 standard.

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An environment has been established to provide high-precision time information within the network. This time information is mainly used for the synchronized operation of devices and equipment. Currently, it is rare for humans to receive this information. However, in certain business applications, it is believed that there are cases where the existing time synchronization functions, which allow for errors in the order of seconds, cannot be tolerated. This product displays the time within a PTP network. Since it shows time information from a grandmaster synchronized with GPS, the values are extremely accurate. Regular time adjustments are also unnecessary. Additionally, it monitors the normal/abnormal operation of PTP. It can be utilized for the primary analysis of issues that occur within the PTP network. This product complies with the international standard IEEE1588-2008.

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It is a versatile evaluation, verification, and operation tool that complies with the IEEE1588 standard PTP network and is used on Windows PCs. It consists of configure (configuration settings), state viewer (status display), sync viewer (synchronization accuracy display), and others. It can be used in multi-vendor configured network systems.

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The dadBerry-1100 is a dedicated device equipped with time synchronization capabilities compliant with the international standard IEEE1588-2008. It supplies high-precision timing signals to equipment/devices that require synchronization control. It has the following features: 1. Can be integrated into existing networks 2. Outputs up to four types of timing signals, including 1PPS signals 3. Achieves excellent maintainability 4. Custom design is possible

• IoT
• Other PCs and OA equipment