GDI633**S GDI633**S (GDI633--S) DC Input Module, 16 points, 12 to 24 Vdc. $210.00 | S-USB-2COM S-USB-2COM Dual USB - to - Serial adapter $47.95 | GDI635**S GDI635**S (GDI635--S) DC Input Module, 64 points, 24 Vdc $710.00 |
GBU648E*S GBU648E*S (GBU648E-S) Base Rack for S2T/S2, 8 Slots (Up to 5 station bus slots). $640.00 |