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OMB-DAQ-2408 Series User's Guide
Functional Details
10
Chapter 3
Functional Details
External components
OMB-DAQ-2408 Series devices have the following external components:
USB connector
LEDs
Screw terminals
Figure 2 shows the location of each component.
1
Screw terminal pins 1 to 22
4
Status LED
2
USB connector
5
Screw terminal pins 23 to 44
3
Activity LED
Figure 2. OMB-DAQ-2408 Series components
USB connector
The USB connector pr5 V power and communication. No external power supply is required.
LEDs
OMB-DAQ-2408 Series devices have two LEDs –
STATUS
and
ACTIVITY
.
The
Status
LED is lit when the device is detected and installed on the computer.
The
Activity
LED indicates the communication status of a device. This LED blinks when data is
transferred, and is off when the device is not communicating.
Screw terminals
OMB-DAQ-2408 Series devices have two banks of screw terminals. Screw terminal functions for SE and DIFF
modes are identified in Figure 3 and Figure 4.