External Network Unit
The FW357A is a subassembly of the FW106 series FACP (Fire Alarm Control Panel). It provides two CAN bus terminals to communicate with panels and annunciators in Network to form a fire emergency detection and notification network system.
It meets the UL864 10th Edition standard and the ULC-S527 3rd Edition standard. FW357A provides both Class X and Class B wiring.
There are two different setups:
- Setup 1: A maximum of 32 panels in Class X wiring and a maximum of 109 annunciators in Class B wiring can be connected simultaneously. (Maximum total of 110 nodes for panels and annunciators combined)
- Setup 2: A maximum of 110 panels/annunciators in Class B wiring