PoE Power Unleashed
Bold Design Meets Industrial-Grade Performance
Hardened Managed 2.5GbE IEEE 802.3bt PoE Switch
EtherWAN has introduced the EX78900G series, a 90-watt high-power PoE Ethernet switch that combines a compact size with exceptional functionality. It is designed for modern network installations and offers enhanced power supply capabilities and superior transmission speeds. The EX78900G series is ideal for advanced urban environments with AI applications, supporting high-end surveillance systems such as license plate and facial recognition, PTZ Speed Dome high-resolution cameras, infrared cameras, and heated outdoor cameras in high-latitude, low-temperature areas. It sets a new industry standard for rigorous on-site deployments with a total power capacity of up to 480 watts.
EX78924G
| 8-port GbE |
| 8-port supports PoE++ |
| 90W PoE per port |
| 4-port 100/1G/2.5G SFP |
| 480W |
EX78922G
| 8-port GbE |
| 8-port supports PoE++ |
| 90W PoE per port |
| 2-port 100/1G/2.5G SFP |
| 480W |
EX78912G
| 8-port GbE |
| 4-port supports PoE++ |
| 90W PoE per port |
| 2-port 100/1G/2.5G SFP |
| 240W |
| Contact Sales |
Note: The maximum power budget depends on the maximum operating temperature.
480W PoE switch in transportation deployment
Ensuring road safety and reducing traffic congestion is paramount in traffic management. Effective surveillance systems for image monitoring and event detection rely on robust infrastructure. This includes addressing outdoor conditions and ensuring stable network performance and scalability for real-time data transmission and communication. The EX78900G industrial-grade Ethernet switch supports up to 2.5 G high-speed transmission, 480W ultra-high power supply, and reliable backup mechanisms, enhancing transportation network reliability. 
Benefits of Industrial PoE Switches
PoE products combine power and data over Ethernet, enabling efficient device powering. PoE switches are essential in network setups, easing deployment in challenging environments. They reduce infrastructure costs by minimizing cables and sockets. Non-PoE switches require additional PoE power supplies for PoE devices, adding complexity and costs.
| PoE Standard | 802.3af (Type 1, "PoE") | 802.3at (Type 2, "PoE+") | 802.3bt (Type 3, "PoE++") | 802.3bt (Type 4, "PoE++") |
|---|---|---|---|---|
| Twisted pair cables used | 2 pairs | 4 pairs | 4 pairs | 4 pairs |
| Power accessible to PD | 12.95 Watts | 25.5 Watts | 51 Watts | 71 Watts |
| PoE source max. power delivered | 15.4 Watts | 30 Watts | 60 Watts | 90 Watts |
| PoE source min. input voltage | 44 - 57 VDC | 50 - 57 VDC | 50 - 57 VDC | 52 - 57 VDC |
4 Steps to Perfect Your PoE Switch Selection
Navigating the array of PoE Ethernet power supply products can be challenging. Here are three essential steps to guide your decision-making process and ensure you choose the right product.
Step 1、Determine the number of devices needing PoE and their power requirements.
Step 2、Choose a switch with suitable PoE budget.
Step 3、Select port speed based on data transmission estimates.
Step 4、Decide on management needs and configure accordingly.
