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PCAN-USB Hub – User Manual
13
3.4 RS-232
An RS-232 connection is done via a 9-pin D-Sub connector.
Figure 4: Pin assignment RS-232 A/B
(view onto connector of the PCAN-USB Hub)
3.5 USB Ports (Downstream)
Further USB devices can be connected to the USB ports 1 and 2.
Figure 5: USB ports at the back of the PCAN-USB Hub
When using the USB ports, we recommend the voltage supply of
the PCAN-USB Hub via the Power socket (self-powered operation).
See also section 3.2
Power (Voltage Supply)
on page 9.
Supply via Operating mode Current delivery USB Port 1/2
Upstream Port Bus-powered max. 100 mA
Power socket Self-powered max. 500 mA