Common Features
-
Keypad Input: Numeric keys for PIN entry, often with LED backlighting for visibility in low-light conditions.
-
Access Methods: Usually supports multiple modes such as:
-
PIN only
-
RFID/proximity card only
-
PIN + card for added security
-
-
Configurations: Admin-defined access parameters like PIN length, number of valid users, lock/unlock durations, and entry modes (PIN, card, or both).
Technical & Performance Characteristics
-
Power Supply: Often powered by 12 V DC.
-
User Capacity: Varies by model — mid-tier devices manage hundreds to a few thousand users.
-
Locking Control: Incorporates a relay or Wiegand output to operate electric strikes or magnetic locks.
-
Security Measures: Features such as anti-tamper lockout after repeated invalid entries, adjustable door relay times, and audit/event logging.
Installation & Integration
-
Mounting: Typically flush or surface mounted on walls or next to doors.
-
Connectivity: Wiegand is a typical protocol for interfacing with access control panels; some models might offer Ethernet, RS-232, or even Wi-Fi.
-
Programming: Direct setup via keypad is common; advanced models allow bulk configuration via software tools.