A 4 doors controller with 4 readers. Readers are IN only. Perfect for large number of doors project. Saves the need for large number of controllers, extensive cabling and installation effort.

Features
Built in 32 bit TI ARM® CortexTM-M3 processor
Commucation Mode: TCP, RS232, RS485
Compatible all Wiegand reader from W24 to W72 Bits.
Events Flow Control
Support 500 Visitors
Include UDP Protocol
CE, FCC, RoHS approval

Specifications
4 Door Relays (NC/NO)
4 Door Sensors (NO)
4 Exit Buttons
2 Extension Relays
2 Extension Inputs
4 Wiegand Readers
CPU Processor: 32Bits ARM of Texas Instruments (TI)
I/O Extend: CPLD
Built in TCP/IP interface(10/100 base)
RS232/RS485 interface
127 controllers max. For 1 RS485 bus
Support online computer polling
Communication speed: 19200/9600/4800 1, 1, n
15 Time groups for each door
Door and extension relays
Extension Inputs
Card capacity: 30, 000
Transaction storage: 15, 000
Transmitting Range: More than 1200 meters.
Operating Voltage: 12VDC(± 10%) or 110/220AC(50/60Hz) with power supply
Operating Current: ≤ 200mA
Standby Current: ≤ 150mA
Working Temperature: -40C~70C
Data Memory: 512KB (protected)
1 Lithium battery backup (up to 10 years retention)
metal case Dimension: 368mm x 300mm x 70mm
Weight: 0.2Kg (Without metal Case)
5Kg (With Meatal Case)