Processor	RISC 32 Bit
Memory	4M
Input ports	3 Sensor (Input Sensor x 2, Tamper Sensor x 1)
Output ports	2 Relay
Cardholders/Events	30,000 / 100,000 (max)
LED Indicator	Power x 1, Output Status x 2, Input Status x 2,  COMM. x 3, Boot x 1, Battery x 1
RTC (Real Time Clock)	Yes
Device ID Setting	DIP Switch (Hardware)
Reader ports	RS-485 x 16 ( max)
Operating Voltage	DC 12V / 1A
Power consumption	5W (max)
Comm. Interface	RS-232/485 x 1(for PC), RS-485 x 1(for Device),  RS-232 x 1(for Debug)
Comm. Baud Rate	19,200 bps-N-8-1
Operating Temp.	-10° C~ 55° C / 14° F ~ 113° F
Relative Humidity	20% ~ 80% (Non Condensing)
Dimensions	150mm(L) x 210mm(W) x 40mm(H)
Weight (Device)	320g

GCU Multi door control panel comes in 3 models, controls 4 / 8 / 16 doors and is expandable up to 1,024 doors. It provides diversified access modes and works with various slave devices for various applications. GCU no doubt is a perfect solution to meet medium sized enterprise access control and multiple application needs.

• Standalone design ensures normal operation under all circumstances.

• Controls up to 16 doors and connects I/O expansion panel for slave devices such as light, air conditioning, alarm, CCTV activation or deactivation.

• Large capacity - 30,000 cardholder/ 100,000 event , unlimited authorization.

• ESD / Surge protection design to protect devices & enhance communication quality.

• High security – anti pass back, two card co-presence access mode, 8 classified card category, 4 diversified time schedule types.

• Message display, conveys user defined message upon card swipe.

• 256 holiday authorization / 256 time schedules, each 8 time zones.

• Control panel holder & block terminal ensure easy installation & easy maintenance.

• RS-232 serial port for panel monitoring.

• RTC (Real Time Clock) ensures accurate time regardless power outage.

• Watchdog function ensures system free from halting.