Product Overview
CU8004-0000
5
2.3 LED diagnostics
LED Allocation
State
Meaning
off
no supply voltage
P10 Power
supply
shining green
5 V
DC
for downstream ports is provided
shining green
the total current of all 4 downstream ports is less than 2,5 A
P11 Current
control
shining red
the total current of all 4 downstream ports is bigger than 2,5 A
off
port not operational
shining green
port fully operational
blinking green software attention
shining red
Error condition e.g. overcurrent (port current > 1 A or short circuit)
P31
USB Port 1
blinking red
hardware attention
off
port not operational
shining green
port fully operational
blinking green software attention
shining red
Error condition e.g. overcurrent (port current > 1 A or short circuit)
P32
USB Port 2
blinking red
hardware attention
off
port not operational
shining green
port fully operational
blinking green software attention
shining red
Error condition e.g. overcurrent (port current > 1 A or short circuit)
P33
USB Port 3
blinking red
hardware attention
off
port not operational
shining green
port fully operational
blinking green software attention
shining red
Error condition e.g. overcurrent (port current > 1 A or short circuit)
P34
USB Port 4
blinking red
hardware attention