Devices that require PoE (Power over Ethernet) are usually installed in places where it is inconvenient to lay power cables, but need to be connected to the Internet to work. The following are some common types of devices that use PoE:
1. IP Camera
- Used in video surveillance systems
- Installed on the wall or ceiling, it is very convenient to use PoE when there is no power socket
- Brands that support PoE include: Hikvision, Dahua, Axis, Bosch, etc.
2. Wireless access point (wireless AP / Wi-Fi 6 AP)
- Installed on the ceiling, wall, etc. to provide Wi-Fi signals
- For example, wireless network systems in enterprises, shopping malls, schools, and hospitals
- Common brands include: Ubiquiti UniFi, TP-Link Omada, Cisco, Aruba, Ruijie
3. VoIP phone (Internet phone)
- Phone connected via Ethernet
- Can be powered by PoE to simplify desktop wiring
- Brands include: Yealink, Cisco, Polycom, Grandstream
4. Access control system equipment
- Such as access control card readers, face recognition terminals, etc.
- Commonly used in smart buildings and security systems
- These devices often also require network and power supply, PoE just solves this problem
5. Terminal devices under PoE switches
- Some low-power embedded systems, edge computing terminals, and IoT gateway devices also support PoE
- Especially in industrial environments: industrial control equipment, industrial tablets, embedded servers
6. Display or information release terminals
- Such as advertising machines with touch, information query terminals, public information display screens
- Usually used in shopping malls, elevator entrances, airports, stations, etc.
Additional Note: Power Levels Supported by PoE
| Standard | Name | Maximum output power | Typical applications |
| IEEE 802.3af | PoE | 15.4W | IP cameras, VoIP phones, etc. |
| IEEE 802.3at | PoE+ | 30W | 30W | Wi-Fi 6 AP, HD cameras, etc. |
| IEEE 802.3bt | PoE++ | 60W/90W | High-performance AP, video conferencing terminal |
