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User's Manual l MBa335x UM 0202 l © 2018, TQ-Systems GmbH
Page 44
4.3
Diagnose- and user interfaces
4.3.1
Diagnose LEDs
The MBa335x provides 18 diagnose LEDs to indicate the system condition.
Table 79:
Meaning of diagnose LEDs
Function
Reference
Colour
Signal
V2515
Green
24 V Power-LED (lights up when supply 24 V is active)
V2516
Green
12 V Power-LED (lights up when supply 12 V is active)
V2517
Green
5 V Power-LED (lights up when supply 5 V is active)
Power
V2518
Green
3.3 V Power-LED (lights up when supply 3.3 V is active)
V1202
Green
VBUS USB Host 1 (lights up when VBUS of USB Host 1 is active)
V1203
Green
VBUS USB Host 2 (lights up when VBUS of USB Host 2 is active)
V1205
Green
VBUS USB Host 3 (lights up when VBUS of USB Host 3 is active)
V1301
Green
VBUS USB OTG (lights up when VBUS of USB OTG is active)
V2101
Green
VBUS USB Host 5 (LVDS-CMD, lights up when VBUS of USB Host 5 is active)
USB
V701
Green
VBUS USB Host 4 (header 1, lights up when VBUS of USB Host 4 is active)
V2300
Green
Mini PCIe WWAN
V2301
Green
Mini PCIe WLAN
V2302
Green
Mini PCIe WPAN
Mini PCIe
V2303
Green
Mini PCIe 3.3 V Power-LED (lights up when PCIe supply 3.3 V is active)
X11B
Yellow
Activity-LED Ethernet 1 (blinks at transfer)
X11C
Green
Link-LED Ethernet 1 (lights up when connected)
X12B
Yellow
Activity-LED Ethernet 2 (blinks at transfer)
Ethernet
X12C
Green
Link-LED Ethernet 2 (lights up when connected)