PCAN-USB Hub – User Manual
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Figure 7: Arrangement of the LEDs on the front side,
CAN / RS-232 A/B
CAN (red)
On: The CAN interface is initialized. There's a connection to a
driver of the operating system.
Slowly flashing: A software application is connected to the CAN
interface.
Quickly flashing: Data is transmitted via the connected CAN bus.
RS-232 A/B (green)
Flickering: Transmission on TxD or RxD
4.2 Removing the Hub Safely
Obey the notes about removing hardware safely, if one of the
following cases arises:
You want to remove the PCAN-USB Hub from the computer
during a Windows session.
You want to switch the voltage supply at the Power socket on or
off.
Do the following to log off the PCAN-USB Device in the hub and
USB devices eventually connected to the hub from Windows:
1. Under Windows you can find the icon for safely removing
hardware in the notification area of the Taskbar (on the
lower right of the desktop):
