Measurement Computing USB-1208HS-4AO - Manual (Page 10)

USB-1208HS-4AO User's Guide Functional Details
10
Screw terminals
The differential mode pinout is shown in Figure 3.
Figure 3. Differential mode pinout
The single-ended mode pinout is shown in Figure 4.
Figure 4. Single-ended mode pinout
Use 16 AWG to 30 AWG for signal connections.