Zk-pp2k Manual

Key Features:

3. Wiring Diagram

• Power input terminals (VCC, GND)
• Relay output terminals (COM, NO, NC)
• Input trigger terminals (if applicable)

• Optical Fingerprint Sensor: The dark, glass-like area where users place their fingers. The manual emphasizes keeping this dry and free from oil.
• 2.8-inch TFT Color Screen: Displays user ID, time, date, and system prompts.
• Keypad: Includes numeric keys (0-9), OK, ESC, UP, DOWN, MENU, and function keys (F1, F2, F3).
• USB Ports: Typically one USB host (for flash drives) and one USB slave (for PC connection).
• RJ45 Ethernet Port: For network connectivity.
• Power Jack: 5V DC input.
• Bell/Alarm Ports: For connecting external relay modules (optional).