The NFS2-640 is the updated version of the NFS-640, featuring a CPU2-640 processor, support for high-speed networking, and compliance with newer safety standards. While both systems support 318 points per SLC loop, the NFS2-640 introduces support for wireless mesh technology and mass notification.
| Feature | NFS-640 | NFS2-640 |
|---|---|---|
| CPU Board | CPU-640 [2] | CPU2-640 [1] |
| Primary Displays | KDM-2 or NCA [2] | KDM-R2 or NCA-2 [1] |
| Max Network Nodes | 103 (Standard) [2] | 200 (High-Speed) [1] |
| UL Standards | UL 864 [2] | UL 864 9th Ed / UL 2572 [1] |
| Wireless Support | Not listed | SWIFT Wireless Mesh [1] |
The NFS2-640 is certified for UL 2572 (Mass Notification Systems) and supports SWIFT wireless gateways for up to 50 devices (Page 1, 3) [1].
Additionally, it supports the FCO-851 advanced multi-criteria Fire/CO detector, which was not available for the original NFS-640 (Page 3) [1].
