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Nederlands (Nederland)What is Power over Ethernet (PoE)?
Power over Ethernet (PoE) is a technology that enables the transmission of both power and data over the same Ethernet cable. This means that devices such as IP cameras, VoIP phones, and access points can be powered without the need for separate power cables. This simplifies installation and reduces cabling costs.
The benefits of Power over Ethernet:
Flexibility
Devices can be installed in hard-to-reach locations without the need for a nearby power outlet.
Reliability
PoE systems are often more reliable because they require fewer cables and connections. Additionally, centralized power management allows for monitoring and management of the power supply.
Scalability
It is easy to add additional devices to an existing network without major modifications.
Cost savings
Less cabling means lower installation costs.
Power over Ethernet (PoE) Standards
There are several PoE standards that determine the amount of power that can be delivered over the Ethernet cable. Below, we discuss the main PoE standards and their applications.
IEEE 802.3af (Type 1) / PoE
- Power at source: 15.4W
- Power at device: 12.95W
- The IEEE 802.3af standard, introduced in 2003, delivers up to 15.4W of DC power per port, with a maximum of 12.95W available for each connected device. PoE is ideal for applications such as VoIP phones, sensors, basic WiFi access points, and fixed security cameras.
IEEE 802.3at (Type 2) / PoE+
- Power at source: 30W
- Power at device: 25.5W
- The PoE+ standard, defined in 2009, supports devices with higher power consumption. This standard is backward compatible, meaning it also works with devices that only support PoE. Each port delivers a maximum of 30W of DC power, with up to 25.5W available for each device. PoE+ is commonly used for advanced WiFi access points, complex security cameras (with pan, tilt, or zoom), LCD displays, biometric sensors, and tablets.
IEEE 802.3bt (Type 3)
- Power at source: 60W
- Power at device: 51W
- The Type 3 standard is designed for the latest generation of devices that require more power. This includes applications such as video conferencing systems and advanced building management systems. With a maximum power output of 60W, this standard provides a powerful solution for demanding applications.
IEEE 802.3bt (Type 4) / PoE++ / 4PPoE
- Power at source: 100W
- Power at device: 71.3W
- The Type 4 standard, also known as PoE++, offers the highest power capacity with a maximum output of 100W at the source and 71.3W at the device. This standard is perfect for applications that require significant energy, such as LED screens, lighting, and advanced building management systems.
How does Power over Ethernet work?
When a PoE cable is connected, a negotiation occurs between the PoE switch or injector and the PoE device to determine how much power the device needs. This negotiation, also known as the "handshake," must be completed before the switch or injector supplies power. This ensures that power is never delivered to a device that does not support PoE, safeguarding the system's safety and efficiency.
The importance of proper cabling for PoE systems
When setting up Power over Ethernet (PoE) systems, the choice of cabling is crucial for optimal performance. The right cabling not only ensures a reliable power supply but also provides a stable data connection. At ACT Connectivity, we understand this like no one else and offer a wide range of high-quality cabling solutions, including our specialized ACT PoE patch cables.
Why are the ACT PoE Powerpatch Cables highly suitable?
Discover the high-quality ACT PoE Powerpatch cables that are specifically designed for optimal performance in Power over Ethernet (PoE) applications.
- High Quality: Our cables are made from high-quality materials, 100% copper, ensuring low resistance and minimal signal loss. This guarantees a reliable connection for all your devices. The IDC connectors are designed for excellent contact surface, contributing to overall performance. Additionally, our cables comply with AWG standards, ensuring consistency and reliability in your network.
- Compatibility: The FB4xxx series is fully compatible with all PoE standards, making them versatile and suitable for various networking environments.
- Durability: These cables are designed to last, even in demanding environments, ensuring you have a durable solution.
Furthermore, the connectors of our cables are tested according to the IEC 60512-99-002:2022 standard. This ensures that the connector contacts do not get damaged during disconnection (arcing), even when used with high PoE power levels. At ACT, we also use high-quality materials with 100% copper conductors for all our other patch cables, making most patch cables suitable for PoE applications.
PoE Injectors and PoE Switches
In addition to cabling, there are various other PoE devices that are essential for a well-functioning network:
PoE Switches: Network switches that provide PoE support, allowing multiple devices to be powered simultaneously without the need for separate injectors.
- AC4430 ACT 6 port network switch, 10/100Mbps, 4x PoE+ (30W) port
Conclusion
Power over Ethernet offers numerous benefits for modern networks. With the right cabling and equipment, such as our ACT PoE Powerpatch cables and compatible PoE switches and injectors, you can establish an efficient and reliable network.