32
© Sealevel Systems, Inc. 12000 Manual | SL9245 10/2021
Status LEDs
Two status LEDs are found on the front of the circuit board at location D3. The upper/green LED is active
when the 12 V power supply is powering the COM Express Module. This signifies that the COM Express
module is powered. The lower/red LED shows SATA activity.
Test Points
Test Points are available on the 12000 carrier board for the following power rails. These test points make
it easier to connect oscilloscope probes and/or multimeter lines to ground when performing measurements
on the COM Express™ mod
ule.
Ref Des
Signal
TP3
12V
TP4
5V_SB
TP5
3V3_SB
TP6
GND
GND
GND