Weidmuller WI-I/O-9-U2: Wireless Mesh I/O & Gateway User Manual V1.2.2 - Manual (Page 40)

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Analog Inputs
Two LEDs exist for each Differential analog input. The first LED (+) is used to indicate
the analogue input is reading a Current (mA), the second LED (-) indicates the input is
reading Voltage.
Each of the analog input LEDs will flash with increasing speed and intensity depending
on the level of the input (4mA = slow/dim and 20mA= fast/bright)
For each of the single ended analog channels, the LED indicates when the input is
reading Current or Voltage by flashing the LED with the level of the input (4mA =
slow/dim and 20mA= fast/bright).
Analog Outputs
Each Analog output has an LED in series which will indicate the output current by
increasing/decreasing the intensity of the LED. (4mA = dim and 20mA= bright)
3.2.4 Ethernet Indications
On the end plate, the Ethernet socket incorporates two LED’s These LEDs indicating
the Ethernet status
100M – GREEN LED indicates presence of a 100 Mbit /s
Ethernet connection, with a 10 Mbit /s connection the LED will
be off.
LINK – ORANGE indicates an Ethernet connection and LED
briefly flashes
“off” with activity.
ETHERNET
LINK 100M
(HUB)