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PCAN-PC/104 – User Manual
12
The pin assignment between the D-Sub port and the 10-pin
connector on the PCAN-PC/104 card is as follows:
Figure 5: Numbering at the 10-pin connector
Pin Assignment
Assignment
D-Sub
1 +5 V (optional) 1
2 GND 6
3 CAN_L 2
4 CAN_H 7
5 GND 3
6 not connected 8
7 not connected 4
8 +5 V (optional) 9
9 not connected 5
10 not connected
2.5 5-Volt Supply at the CAN Connector
You can route a 5-Volt supply to pin 1 and/or pin 9 of the CAN
connector (independently for each CAN connector on the Dual
Channel version) by setting solder bridges on the PCAN-PC/104
card. Thus devices with low power consumption (external transcei-
vers or optocouplers, for example) can be directly supplied via the
CAN connector.
When using this option the 5-Volt supply is connected to the power
supply of the computer and is not fused separately. The opto-