S-USB-2COM S-USB-2COM Dual USB - to - Serial adapter $47.95 | GIF661**S GIF661**S (GIF661--S) Interface Module for Connecting Expansion Racks. $210.00 | GAA242**S GAA242**S ( GAA242--S ) 4 Analog flex inputs $325.00 |
GBU643D*S GBU643D*S (GBU643D-S) Base Rack for S2T/S2, 4 Station Bus Slots, no I/O slots. N $590.00 |