Preliminary User's Manual l MBLS1012AL UM 0001 l © 2019, TQ-Systems GmbH
Page 28
4.5.5
LEDs
The MBLS1012AL provides 13 diagnosis- and Status LEDs (plus the LEDs at the Ethernet ports) to indicate the system condition.
The following table shows the function of all LEDs.
Table 34:
Status LEDs
Interface
LED
Colour
Function
Mini PCIe
V28 green
Mini PCIe WWAN, can be changed to WLAN or WPAN by re-assembling.
WLAN
V18 green
Mini PCIe WLAN, can be changed to WWAN or WPAN by re-assembling.
GPIO
V15 green
LED on 16 Port-Expander Port IO1_0 (lit when pin is “low”). Per light guide on front panel
–
V16 green
LED on Port-Expander Port IO1_1 (lit when pin is “low”)
Power
V27 green
Status 24 V (lights up when supply 24 V active)
–
V26 green
Status 5 V (lights up when supply 5 V active)
–
V25 green
Status 3.3 V (lights up when supply 3.3 V active)
–
V22 green
Status 2.5 V (lights up when supply 2.5 V active)
–
V24 green
Status 3.3 V Mini PCIe (lights up when supply 3.3 V for Mini PCIe active)
–
V23 green
Status 3.3 V WLAN (lights up when power supply 3.3 V for Mini PCIe active)
OpenSDA
V21 green
Indicator LED for OpenSDA Interface
Reset
V38 red
Reset LED (lights up when TQMLS1012AL in reset). Via light guide on front panel
SATA (M.2)
V17 green
SATA Device Activity
Ethernet
–
–
Illustration 27:
Position of Status-LEDs
