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Chapter 2 hardware functionality – B&B Electronics Celeron M Universal Network Controller with PC/104 Extension UNO-2170 User Manual

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Chapter 2 Hardware Functionality

2.1 Introduction

The following two figures show the connectors on UNO-2170. The
following sections give you detailed information about function of each
peripheral.

Figure 2.1: Front panel of UNO-2170

Figure 2.2: Rear panel of UNO-2170


2.2 RS-232 Interface (COM1~COM2)

The UNO-2170 offers two standard RS-232 serial communication inter-
face 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



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