User`s manual

Table of Contents
Chapter 1 Introduction ..................................................................................................1-1
Overview.................................................................................................................................. 1-2
Package Checklist....................................................................................................... 1-2
Product Features......................................................................................................... 1-2
Product Hardware Specifications ............................................................................... 1-3
Hardware Introduction............................................................................................................. 1-4
Appearance and Dimensions...................................................................................... 1-4
Hardware Block Diagram........................................................................................... 1-5
LED Indicators ........................................................................................................... 1-6
Reset-type Buttons ..................................................................................................... 1-6
Real Time Clock......................................................................................................... 1-7
Placement Options................................................................................................................... 1-7
Wall or Cabinet .......................................................................................................... 1-7
DIN-Rail Mounting.................................................................................................... 1-8
Hardware Connection Description........................................................................................... 1-8
Wiring Requirements ................................................................................................. 1-8
Connecting the Power ................................................................................................ 1-9
Grounding UC-7402................................................................................................... 1-9
Connecting to the Network....................................................................................... 1-10
Connecting to the Console Port................................................................................ 1-10
PCMCIA................................................................................................................... 1-10
CompactFlash........................................................................................................... 1-10
Software Introduction .............................................................................................................1-11
Software Architecture............................................................................................... 1-11
Journaling Flash File System (JFFS2)...................................................................... 1-12
Software Package ..................................................................................................... 1-13
Chapter 2 Getting Started .............................................................................................2-1
Powering on UC-7402 ............................................................................................................. 2-2
Connecting UC-7402 to a PC................................................................................................... 2-2
Serial Console ............................................................................................................ 2-2
Telnet Console............................................................................................................ 2-3
SSH Console .............................................................................................................. 2-4
Configuring the Ethernet Interface .......................................................................................... 2-5
Modifying Network Settings with the Serial Console................................................ 2-5
Modifying Network Settings over the Network ......................................................... 2-7
Configuring the WLAN via the PCMCIA Interface ................................................................ 2-7
IEEE802.11b .............................................................................................................. 2-7
IEEE802.11g .............................................................................................................. 2-9
Test Program—Developing Hello.c....................................................................................... 2-13
Installing the Tool Chain (Linux)............................................................................. 2-13
Checking the Flash Memory Space.......................................................................... 2-14
Compiling Hello.c .................................................................................................... 2-14
Uploading “Hello” to UC-7402 and Running the Program...................................... 2-15
Chapter 3 Managing Embedded Linux ........................................................................3-1
System Version Information..................................................................................................... 3-2
System Image Backup.............................................................................................................. 3-2
Upgrading the Firmware............................................................................................. 3-2