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Slim Metal Access Controller
Type: AR-331 (H)
Name: Slim Metal Access Controller

*Reminder: Please make sure to change your programming code

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Frequency 125kHz or 13.56MHz
Standard 125kHz : EM Standard
13.56MHz : ISO14443A
Reading Range 125kHz : 3-7cm
13.56MHz : 1-3cm
Power Supply 9-24VDC
Power Consumption < 3W
Communication Interface RS-485
Data Transfer Rate 9600 bps(N,8,1)
Operating Temperature -20℃ to +60℃
Digital Input Egress(R.T.E.) / Door contact
Relay Output No
Lock Relay Time Toggle, 0.1~600 Sec.
Alarm Time Toggle, 1~600 Sec.
Tamper Switch Limit Switch(Form C)
User Capacity M4 / M8 : 3,000
M6 : 65,000
Event Log 1,500
External Reader 1 WG Port
Anti-pass-back Yes(Only M4/M8)
Lift Control 32 Floors, 3,000 Users
Serial Port Yes
Real Time Clock Yes
LCD Panel No
Door Bell Button No
Transistor Output Lock(or Security trigger signal) / Alarm
Protection Standard IP56
Indicator 2 LED & 1 Beeper
Keypad Material Illuminated Touch-panel
Housing Material Zinc Alloy
Time Zone 11/63(Connect to Multi-Door Networking Controller
Operation Mode Stand-Alone / Networking
Color Chrome
Dimensions(mm) 154(L)X51(W)X21(H)
Weight(g) 285±10

◎ RS-485 communication interface
◎ Supporting WG port for anti-pass-back function
◎ Selectable working frequencies: 125kHz
◎ 3 control modes: M4/ M6/ M8
◎ User capacity: 3,000; Event log: 1,500
◎ 3 access modes: Card only, Card or PIN, Card and PIN
◎ Built-in Watchdog to prevent system from abnormal end
◎ Built-in Real Time Clock & Anti-Tamper functions
◎ Including the input of door contact, offering the alarm system when door is opened too long or forced to open
◎ Built-in Dual-Output: Door Lock(support Security trigger signal)/ Alarm
◎ 11 sets of Time Zone for various accessing in network
◎ 2 sets of Auto-Open Zone editable by stand-alone operation
◎ Intelligent switch function, AR-331H will switch to stand-alone or networking mode according to the system connection smartly
◎ Auto-lock of the keypad for 30 seconds after continuous failed operation by 3 times
◎ AR-331H with software provides further applications such as access control, time attendance, payroll and image-monitor
◎ Flexible to integrate with other equipment
◎ Illuminative Keys, 2 LED and  1 beeper for identification
◎ Use the illuminated Touch-panel for keypad, bring the new trend for access control.
◎ Metal Housing, fashion and the safety design.
◎ Narrow body design, suitable for installation in space limited areas. 

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SGS Weatherproof Certificate                                                                        Patent for new type of Relay Patent Number: M 333650(Taiwan)