Honeywell Notifier FDU-80 - Page 21

FDU-80 Instruction Manual — P/N 51264:C2 4/24/2019 21
EIA-485 Connections UL 864 8th Edition Applications
FDU-80
NFW-100
+ EIA-485 Out to Next Device
- EIA-485 Out to Next Device
(or back to FACP)
EIA-485
+ -
- - + +
Figure A.6 EIA-485 Wiring to the NFW-100