Moxa Technologies EM-1240-LX manual

EM-1240-LX User’s Manual

Configuring EM-1240-LX

User Directory Backup—EM-1240-LX to PC

To enable the RAM disk, use the following command:

/>upramdisk />cd ramdisk

Use the backupfs command to backup the file system.

/ramdisk>backupfs /ramdisk/usrdisk-backup

The file system will be backed up. Use ftp commands to transfer the usrdisk-backup to the FTP server on the PC.

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Moxa Technologies user manual User Directory Backup-EM-1240-LX to PC, Ramdiskbackupfs /ramdisk/usrdisk-backup

Contents

First Edition, November EM-1240-LX User’s Manual Copyright Notice Table of Contents Chapter EM-1240-LX Device API Introduction Product Features Package ChecklistOverview EM-1240-LX Hardware Specifications Product Specifications Software Specifications EM-1240 Development Kit Embedded Module Hardware Block Diagram Appearance EM-1240 Embedded Module EM-1240 Development Kit Dimensions Installing the EM-1240-LX LED IndicatorsWiring Requirements Connecting Data Transmission Cables Connecting the PowerGrounding the EM-1240-LX Connecting to a Serial Device Connecting to the Network Internal SD Socket Reset ButtonAdditional Functions Serial Console Port Real-time Clock Getting Started Powering on the EM-1240-LX Connecting the EM-1240-LX to a PCConsole Port Telnet Default IP Address Default Netmask192.168.3.127 255.255.255.0 192.168.4.127 255.255.255.0 Configuring the Ethernet Interface Dhcpcd -p -a eth0 & dhcpcd -p -a eth1 Ifconfig eth0 Installing a Secure Digital SD Memory Card Developing Your Applications Installing the EM-1240-LX Tool ChainStep #mount -t iso9660 /dev/cdrom /mnt/cdrom EM-1240-LX User’s Manual PATH=/usr/local/arm-elf/bin$PATH Compiling Hello.c #make Uploading Hello to the EM-1240-LX # chmod 755 hello #./hello Running Hello on the EM-1240-LX Cflags = Make File Example Code Software Package EM-1240-LX Software Architecture Flash Context Flash Address Size Access control Journaling Flash File System JFFS2Additional information about JFFS2 is available at Bin Dev EM-1240-LX Software Package Ptyp0 Ppp Pio Rtc Ram1 Ram0 Null Kmem Mem Cua0 Console Tty ‰ Iptables ‰ NAT Configuring the EM-1240-LX Enabling and Disabling Daemons Example default enable Adding a Web Default Home Page address Local Host Packets Define policy rules, and Append or delete rules UsageExamples Define policy for chain rules NAT Example Enabling NAT at Bootup Configuring PPPoE Configuring Dial-in/Dial-out ServiceDial-out Service Dial-in Service Dynamic Driver Module Load/Unload How to Mount a Remote NFS Server Upgrading the Kernel Ramdiskupkernel em1240-1.x.bin /ramdiskrebootUpramdisk Cd ramdisk Upramdisk Cd ramdisk Upgrading the Root File System & User Directory Ramdiskbackupfs /ramdisk/usrdisk-backup User Directory Backup-EM-1240-LX to PC Mirroring the Application Program and Configuration Loading Factory DefaultsAutostarting User Applications on Bootup Checking the Kernel and Root File System Versions Cat /etc/version Fsversion EM-1240-LX Device API RTC Real-time Clock BuzzerUart Interface UC Finder Windows UC Finder EM-1240-LX User’s Manual UC Finder EM-1240-LX User’s Manual UC Finder Linux UC Finder Busybox µClinux normal command utility collection System CommandsFile manager Editor Process NetworkOther Moxa Special Utilities Snmp Agent with MIB II & RS-232 Like Group Ip MIB Tcp MIB Udp MIB Snmp Agent with MIB II & RS-232 Like Group RFC1317 RS-232 like group supported variables Rs232 MIB Snmp MIB EM-1240-LX FAQ Service Information Following services are provided Moxa Internet Services Moxa Product † EM-1240-LX Serial Number Problem Report Form Product Return Procedure