Here are the terminal commands for the older Notifier panels (AFP-200, AFP-400). If I remember right I even got these to work on the NFS-3030 and NFS-640. They will not work on the newer NFS2 panels.

AFP-200 / AFP-400 Serial Terminal Commands:

 .----------------------------------------------------.
 |  CMD DESC             ASCII        HEX             |
 .----------------------------------------------------.
 |  Read Status:         ~A<cr>       0x7E 0x41 0x0D  |
 |                                                    |
 |  Alter Status:        ~B<cr>       0x7E 0x42 0x0D  |
 |                                                    |
 |  Prior:               ~E<cr>       0x7E 0x45 0x0D  |
 |                                                    |
 |  Next:                ~F<cr>       0x7E 0x46 0x0D  |
 |                                                    |
 |  Acknowledge:         ~L<cr>       0x7E 0x4C 0x0D  |
 |                                                    |
 |  Signal Silence:      ~M<cr>       0x7E 0x4D 0x0D  |
 |                                                    |
 |  System Reset:        ~N<cr>       0x7E 0x4E 0x0D  |
 |                                                    |
 |  Manual Evacuate:     ~Q<cr>       0x7E 0x51 0x0D  |
 '----------------------------------------------------'

// — Note —
is a single carriage return character.

// — DISABLE DEVICE EXAMPLE —

 .-----------------------------------------------. 
 |  CMD(ASCII)      DESCRIPTION                  |
 .-----------------------------------------------|
 |  ~B<cr>          Alter Status Menu            |
 |  11111<cr>       Alter Status Password        |
 |  1<cr>           Option (1): Disable Point    |
 |  M17<cr>         Device Address (Module)17    |
 |  D<cr>           Option (D): Disable Point    |
 '-----------------------------------------------'