Main Features
iSTAR Ultra Installation and Configuration Guide 1–7
Main Features
Processor 
 Freescale i.MX6 ARM processor, 1GHz
 Compare iSTAR Pro @ 60 MHz, iSTAR eX @ 400 MHz
Storage
 2GB DDR3 RAM
 16GB SD Card
Power
 Powered by 12 Vdc, from UL Listed apS power source or other UL 603 Listed, power-
limited power supply with appropriate ratings and a minimum 4 hours of standby power.
 Provides up to 1.5A @ 12Vdc unswitched to external devices:
• Wiegand signaling readers
• RS-485 ports
 Provides power to relays:
• Relays configurable to be wet or dry by jumper.
• Wet Relays provide current at main input voltage (12 or 24V with external DC supply).
• Each wet relay is limited to 0.75A (at 12 or 24V).
• Each Primary dry relay is limited to 5.0A (at 12 or 24V).
• Each Secondary dry relay is limited to 1.0A (at 12 or 24V).
 Full operating backup power is not provided by the board itself.    
• Achieved with apS or external UPS, 
• Upon loss of external power, data is written to onboard flash.
RM / Wiegand Signaling Readers (per ACM)
The ACM supports a total of 8 readers in any combination of the following:
 RS-485 RM Reader (8 readers across 8 ports)
 Wiegand Reader (8 readers)
There are eight basic sections, on each ACM, that support the total of eight Readers. Each 
section has:
 One Reader port (either)
• One RM / RS-485 Reader port* 
• One Wiegand signaling port*