Advantech PCA-6186 User Manual

The PCA-6186 is equipped with one or two high-performance 32-bit 
PCI-bus Ethernet interfaces, which are fully compliant with IEEE 802.3/u 
10/100 Mbps CSMA/CD standards. Also, PCA-6186 provides the option 
of supporting single or dual 10/10/1000 Mbps Ethernet LANs. They are 
supported by all major network operating systems. The RJ-45 jacks on 
the rear plate provide convenient 10/100/1000 Base-T RJ-45 operation. If 
users use dual LANs, the second LAN port, CN34, is located at top slot of 
the I/O expension ports. 

The PCA-6186 offers two serial ports, CN9 as COM1 and CN10 as 
COM2. These ports can connect to serial devices, such as a mouse or a 
printer, or to a communications network.  
The IRQ and address ranges for both ports are fixed. However, if you 
want to disable the port or change these parameters later, you can do this 
in the system BIOS setup.
Different devices implement the RS-232 standard in different ways. If 
you are having problems with a serial device, be sure to check the pin 
assignments for the connector.

CN8 and CN34

CN9 and CN10