Measurement Computing USB-1602HS-2AO - Manual (Page 16)

USB-1602HS-2AO User's Guide Functional Details
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External power connector (EXT PWR)
The USB-1602HS-2AO requires external power. Connect the PS-5V2AEPS power supply to the EXT PWR
connector. This power supply provides 5 VDC, 2 A power, and plugs into a standard 120 VAC outlet.
USB connector
The USB connector provides communication with the host PC.
Analog common
The analog ground reference for the analog inputs and analog outputs.
Mechanical drawing
Figure 6. USB-1602HS-2AO case dimensions