352.5.13.1 FAT / FBF Direct ConnectionThe interface is compatible with IFAM FAT3000 and FBF2003 products using IHD protocol.Both the FAT and FBF can be directly connected to the interface card. When the FAT and FBF areclosely coupled or included in a common housing, connect the FBF via the RS232 connections to theFAT.Refer to 680-504 for IFAM FAT / FBF ordering information and for details on how to configure,program and connect specific types.RS485 Connection RS232 ConnectionNote: Units connected via RS232 must be wiredin rigid conduit and located ≤ 3 metres from thepanel.FAT1 2 3 4FAT/FBFRXD–RXD+UB1–UB1+RS485Connect 150R EOL across RXD+/RXD- at FATFAT1 2 3 4FAT/FBF RS23221 20 19TXD+RXD+GNDUB1–UB1+RS232FBF1 2 3 4FAT/FBF–V (27)+V (26)RS485RXD–RXD+Connect 150R EOL across RXD+/RXD- at FBFFBF1 2 3 4FAT/FBF RS23221 20 19TXD+RXD+GND–V (27)+V (26)RS232Connection of an FBF via an FATFAT1 2 3 4FAT/FBFFBFTXD+RXD+GNDTXDRXDGNDRS232AUSG–AUSG+–V (27)+V (26)SIO1–SIO1+UB1–UB1+www.acornfiresecurity.comwww.acornfiresecurity.com
