---
title: "Device Monitor"
method: GET
path: "/assets/{asset_id}/alpon/device"
tags: ["ALPON"]
---

# Device Monitor

`GET /assets/{asset_id}/alpon/device`

Retrieve the last known device monitoring data for the device.

**Possible Error Codes:**
- **AssetNotFound:** The asset with the specified ID was not found.
- **AssetNotAlponDevice:** The device is not an ALPON device.
- **NoDeviceMonitorData:** No device monitor data found for the device.

## Path parameters

- `asset_id` string, required — Serial Number, UUID, SIM SID or SIM ICCID

## Response `200`

Successful Response

- DeviceMonitorResponseModel
  - `timestamp` string, required — Timestamp of the device monitor data.
  - `cpu_usages` integer[], required — List of CPU usages for each core.
  - `cpu_total_usage` number, required — Total CPU usage percentage.
  - `total_ram` integer, required — Total RAM in bytes.
  - `ram_usage` integer, required — Used RAM in bytes.
  - `cpu_temp` number, required — CPU temperature in Celsius.
  - `disk_total` integer, required — Total disk space in bytes.
  - `disk_usage` integer, required — Used disk space in bytes.
  - `input_voltage` number, required — Input voltage in volts.
  - `main_voltage` number, required — Main voltage in volts.
  - `peripheral_voltage` number, required — Peripheral voltage in volts.
  - `input_current` number, required — Input current in amperes.
  - `watchdog_status` boolean, required — Status of the watchdog (true if enabled).
  - `addon_fault_status` boolean, required — Status of the addon fault (true if fault detected).

## Other responses

- `400` — Device is not an ALPON device
- `404` — No device monitor data found
- `422` — Validation Error

---

[API](https://skmtc.net/sixfab/apis/sixfab-developer-api.md) · [All operations](https://skmtc.net/sixfab/apis/sixfab-developer-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sixfab/sixfab-developer-api/versions/24ad88fd2124/schema)