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UNO-4678 User Manual 10

Chapter 2 Hardware Functionality

2.1 Introduction

The following two figures show the connectors on UNO-4678. The fol-

lowing sections give you detailed information about function of each

peripheral.

Figure 2.1: Front Panel of UNO-4678

Table 2.1: LED Definition

Item LED Status Description

1 PWR On System power is on

Off System power is off

2 P1 On Power input 1 is active

Off Power input 1 is inactive

3 P2 On Power input 2 is active

Off Power input 2 is inactive

4 Fault On Power input 1 or Power input 2 have failed

Off Power input 1 and Power input 2 are active

5 IDE On Data being received/transmitted on IDE

Off No data being received/transmitted on IDE

ACT On Ethernet data being received/transmitted

Off No data being received/transmitted

LINK On 10/100Mbps Network links

Off Invalid 10/100 Mbps Network link

Tx (Port N)

N = 1~ 8

On Serial port data being transmitted

Off No data being transmitted

Rx (Port N)

N = 1~ 8

On Serial port data being received

Off No data being received

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