Ubiquiti Enterprise Access Hub Description_Enterprise-grade access hub with entry and exit control to eight doors and battery backup support. SKU_EAH-8 Tech Specs_ Click Here Installation Guide_ Click Here Features_ •(8) Lock terminals (12V or Dry) •(8+8) Inputs for request-to-exit devices and door position sensors •(8) PoE ports for Access Readers •(4) AUX terminals for chimes, sirens, or door openers •(1) Battery backup input (32–48V) •(1) DC input for backup power