The ADAM-6521/ST-AE from Advantech is a rugged 5-port unmanaged Ethernet switch designed for industrial environments, especially where long-distance and noise-resistant communication is needed.

 Network Configuration

• Ports:
  • 4 × RJ-45 Ethernet ports (10/100 Mbps)
  • 1 × ST-type fiber optic port (100 Mbps, multi-mode)
• Transmission Distance:
  • RJ-45: Up to 100 meters
  • Fiber: Up to 2 kilometers

 Features & Capabilities

• Duplex Support: Full/Half duplex flow control
• Auto Crossover: MDI/MDI-X supported
• Loop Detection: Integrated loop-up engine
• Surge Protection:
  • 3000 VDC for power line
  • 4000 VDC ESD protection for Ethernet
• Power Input: 10–30 VDC via 2-pin removable screw terminal
• Power Consumption: ~3W