GBU668**S GBU668**S (GBU668--S) Base Rack for S2E,8 I/O Slots/ Expansion Rack for S2T/S2, $320.00 | GBU666**S GBU666**S (GBU666--S) Base Rack for S2E, 5 I/O Slots/ Expansion Rack for S2T/S2, $300.00 | GDA622L*S GDA622L*S (GDA622L-S) Analog Output Module, 2 channels, 1-5 Vdc / 4-20 mA, 8-bit $440.00 |
S-USB-2COM S-USB-2COM Dual USB - to - Serial adapter $47.95 |