Advantech UNO 2173A/AF - Manual (Page 18)

UNO-2173A/AF User Manual 10
Chapter 2 Hardware Functionality
2.1 Introduction
The following two figures show the connectors on UNO-2173A/AF. The
following sections give you detailed information about function of each
peripheral.
Figure 2.1: Front panel of UNO-2173A/AF
Figure 2.2: Rear panel of UNO-2173AF
2.2 RS-232 Interface (COM1~COM2)
The UNO-2173A/AF offers two standard RS-232 serial communication
interface ports: COM1 and COM2. Please refer to A.3 for their pin
assignments.
IRQ and Address Setting
The IRQ and I/O address range of COM1 and COM2 are listed below:
COM1: 3F8H, IRQ4
COM2: 2F8H, IRQ3