---
title: Show history
description: History displays a list of device events…
url: "https://manual.amnimo.com/docs/basic-operation-en-2/show-history/"
updated: "2024-06-27"
category: DMS / 基本操作（デバイス管理システム）
---

# Show history

History displays a list of device events and operation history.

## Check the history of all devices

History displays a list of events and operation history. You can also check the source to see where the event was notified from.

![](https://amnimo.com/manual/edge_gw/alpine/dms/ja/assets/images/image94.png)

Examples of events and operation history displayed in the history

### **Device Management System Operation History**

- Create, edit, and delete devices
- Start/stop PoE and USB power supply (except when using IoT router)
- Reboot device
- Upload / Download Files
- Firmware update
- Update configuration files
- Task execution status

### **Device status monitoring events**

- Device communication status normal/abnormal
- Device status normal/abnormal

### **Device self-diagnostic events**

- Link up / down for each Ethernet port (except when using an IoT router)
- AC power supply stopped/restored
- SIM card enable/disable

## Check individual device history

![](https://amnimo.com/manual/edge_gw/alpine/dms/ja/assets/images/image8.png)

Examples of events and operation history displayed in the history

### Device Management System Operation History

- Create, edit, and delete devices
- Start/stop PoE and USB power supply (except when using IoT router)
- Reboot device
- Upload / Download Files
- Firmware update
- Update configuration files

### Device status monitoring events

- Device status normal/abnormal
- Device communication status normal/abnormal

### Device self-diagnostic events

- Link up / down for each Ethernet port (except when using an IoT router)
- AC power supply stopped/restored
- SIM card enable/disable