iHP Manual 60 | P a g e
4.2.2.3.3 GND
The GND is used as the common ground for RS485 or CAN communication. The GND signal is internally
connected to DSUB9 pin 2 5V Housekeeping Bias Return.
4.2.2.3.4 5V Housekeeping Bias
Supply Bias for CAN and RS485 communication and is internally connected to DSUB9 pin 1 5V Housekeeping
Bias.
4.2.2.4 LAN RESET BUTTON
Button to reset the Ethernet setting to STATIC with IP address 192.168.2.100
4.2.2.5 LAN STATUS LED
For future expansion
4.2.2.6 DSUB9 Port
Figure 4-11 shows the DSUB9 signals and pin locations and Figure 4-13 lists the signals and their functions.
Figure 4-11 Dsub9 Port pinout