Access ControllersACC-AP224 | 38 A6V111645502.3.4 Extension Interfaces2.3.4.1 Extension OptionLabel on AP Controller SiPass Point FunctionCOMMS1 FLN 2for MFI*, IAT and I/O devices (8IO, IPM, OPM)*See section Multi-Function Interface (MFI) [➙ 35]for more information.COMMS2 Not Used2.3.4.2 Aperio Wireless Doors Extension OptionLabel on AP Controller SiPass Point FunctionCOMMS1A AH30 RS485 Data ACOMMS1B AH30 RS485 Data BCOMMS2 Not UsedAP Vout- AH30 GNDAP Vout+ (or READER1,2+) AH30 PWR 8-24VFor further details, refer to the section about Aperio setup in this document.2.3.5 Power Monitoring Limits● The AP Controller should be provided with power in the range of: 12V – 24VDC. The AP Power Supply must be protected by a fuse (2A).● An Audit Trail Message will be produced if the voltage level drops below 10.5Vor goes above 26.5V.● Absolute maximum power ratings are: 9.5V – 29.5V DC.● The Reader Power Supply outputs are protected by a thermal fuse. In theevent of a short-circuit the fuse will trip. The fuse will automatically reset inabout 30 seconds if the fault has cleared.2.3.6 Factory Reset ButtonTo set the IP Network Settings of the AP Controller back to its default values, holdthe Factory Reset Button down for 10 seconds during standard operation. (Seeimage in section Updating the AP Controller with Micro SD Card [➙ 25]).