# PTP

## 1. Summary

This page is for configuring PTP (Precision Time Protocol).

This product supports PTPv2 (IEEE1588-2008).

PTP cannot be configured when the stack function is enabled.

Using PTP with a spanning tree does not recommend.

## 2. Top page

This is the top page for PTP.

### 2.1. System settings

- Displays the PTP settings for the system.

- The table items are explained below.

  - PTP function for the entire system

    - Displays whether the PTP function is enabled for the entire system.

  - PTP operation mode

    - Displays the PTP operation mode of this unit.

    - Only Transparent Clock (End-to-End) mode is supported.

  - Transport protocol

    - Displays the frame format used to transfer PTP messages.

- Press the "Setting" button to display the page for configuring the system.

### 2.2. Interface settings

- Displays the PTP configuration for the interface.

- The table items are explained below.

  - Port

    - Displays the interface name.

  - PTP function

    - Displays whether the PTP function is enabled for the target interface.

- Press the "Setting" button to display the page for configuring the selected interface.

- Press the "Specify all" button to configure the settings for all interfaces with the check box selected.

- Press the "Return to defaults" button to initialize the settings for all interfaces with the check box selected.

- The ports belonging to a logical interface cannot be configured.

## 3. System settings page

This page is for configuring the PTP settings for the system.

Enter the settings, and then press the "Confirm" button.

If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

### 3.1. System settings

- PTP function for the entire system

  - Specify whether to enable or disable the PTP function for the entire system.

- PTP operation mode

  - Only Transparent Clock (End-to-End) mode is supported and you cannot change the mode.

- Transport protocol

  - Specify the frame format used to transfer PTP messages.

## 4. Interface settings page

This page is for configuring the PTP settings for the interface.

Enter the settings, and then press the "Confirm" button.

If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

### 4.1. Interface settings

- Port

  - Displays the port name to configure the settings.

- PTP function

  - Specify whether to enable or disable the PTP function for the target port.

  - For the PTP function to work, you need to enable the entire system’s PTP function as well.

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