User Manual

RedLab 1208LS User's Guide Functional Details
14
External components
The RedLab 1208LS has the following external components, as shown in
Figure 3.
 USB connector
 LED
 Screw terminal banks (2)
Figure 3. RedLab 1208LS external components
USB connector
The USB connector is on the right side of the RedLab 1208LS housing. This connector provides +5V power
and communication. The voltage supplied through the USB connector is system-dependent, and may be less
than 5V. No external power supply is required.
LED
The LED on the front of the housing indicates the communication status of the RedLab 1208LS. It uses up to 5
mA of current and cannot be disabled. The table below defines the function of the RedLab 1208LS LED.
LED illumination
When the LED is… It indicates…
Steady green The RedLab 1208LS is connected to a computer or external USB hub.
Blinks continuously Data is being transferred.
Blinks three times Initial communication is established between the RedLab 1208LS and the computer.
Blinks at a slow rate
The analog input is configured for external trigger. The LED stops blinking and illuminates
steady green when the trigger is received.
USB
Connector / cable
Screw terminal
Pins 21 to 40
Screw terminal
Pins 1 to 20
LED