Technical Specifications
AC-225x-B Series Hardware Installation and User Manual 11
2. Technical Specifications
2.1 AC-225x-DIN
Electrical Characteristics
12 VDC, 1.5 A from a regulated power supply
Standby: 80 mA
Maximum: 325 mA
Standby: 120 mA
Maximum: 370 mA
• 4 supervised high impedance inputs
• 8 or 12 supervised inputs when using MD-D02B or
MD-IO84B expansion boards
• Maximum voltage: 5 VDC
• 4 Form C 5 Amp relay outputs
• 8 outputs when using MD-D02B or MD-IO84B
expansion boards
• 2 reader ports, 4 reader ports when using
MD-D02B
• Communication: Wiegand (D0, D1) or Clock & Data
(C, D)
• Output voltage to reader: 12 VDC (battery only:
8.8-11.8 VDC)
• Max. current to reader: 245 mA
• LED control output and Tamper Input
11 LEDs for outputs and communication status
Sounder output for use with compatible speakers
provide chime, bell and siren signals
3 hours with a 12 V, 7 Ah lead acid battery
Communication Characteristics
• RS-485 or optional RS-232
• RS-485 connection by terminal block or MD-14U
connector
• RS-232 connection by terminal block
On-board RJ-45 connector
(functional on AC-225IP models only)
Selectable Communication Speed
9600, 19200, 57600, 115200 bps