Serial Ports (Cn9: Com1; Cn10: Com2) - Advantech PCA-6005 User Manual

2.7 Serial Ports (CN9: COM1; CN10: COM2)

The PCA-6005 offers two serial ports, CN9 as COM1 and CN10 as
COM2. These ports can connect to serial devices, such as a mouse or
printers, or to a communication network
Connector
CN9
CN10
* default settings
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.
PCA-6005 User's Manual
Table 2.1: Serial port connections (COM1, COM2)
Ports
COM1
COM2
CN10
Address
3F8*, 3E8
2F8*, 2E8
20
CN9
Interrupt
IRQ4
IRQ3