Features of access board:
Communication: TCP/IP
Software Supportable Database: Access & SQL
Power Supply Input: DC/12V
Input Format of Reader: Wiegand 26-40 bit (All 125KHz or 13.56MHz card reader with compatible protocol)
Quantity of Readers: 4 units
Door Controlled: 4 door (Get in the door by swiping card, and get out door by button)
Quantity of Users: 20,000 users
Quantity of Event Buffers (offline): 100,000 event buffers
Max Distance from Reader to Controller: 100m/328ft (suggestion distance 80m/262ft)
Alarm for Long Time Door Open, Unlawful Entry, Intimidate
Fire and alarm linkage: If no connection with the expansion board, only has software interface alarm, and drive the computer speaker. If connected with expansion board, is able to alarm by hardware, if connected with strengthened expansion board, then is able to Security alarm
Compulsive open and close door at long time: Yes
Open door in remote distance: Yes
Inter block: Yes
Anti pass back and tail: Yes
Multi card open door: Yes
Open long time at specified time: Yes
Urgency locking: Yes
First card unlocking: Yes

Features of power box:
Built-in reverse surge protection and Short-circuit protection function
With charge and discharge function,can add a 7AH 12V lead-acid battery,can meet the needs of an electric mortise lock,a card reader and a controller to work 35 hours after power failure (External battery not included)
Setting automatic protection function, built-in fuse
Two +12V and two GND terminals

Specifications of power box:
Input: AC110V/60Hz
Output: DC12V/3.5A
Power: 40W
12V/24V Adjustable Output: No
Size: 371x259x78mm
Weight: 3.3kg

Package:
1 x Access Control Board
1 x Power Supply Box
1 x User Manual