Moxa Technologies EM-1240-LX user manual

Contents

Main EM-1240-LX Users Manual www.moxa.com/product First Edition, November 2006 Moxa Systems Co., Ltd. EM-1240-LX Users Manual Copyright Notice Trademarks Table of Contents Page Page 1-2 Overview Package Checklist Product Features 1-3 Product Specifications Hardware Specifications 1-4 Software Specifications Page 1-6 1-7 Dimensions EM-1240-LX Users Manual Introduction 1-8 Installing the EM-1240-LX LED Indicators Wiring Requirements 1-9 Connecting the Power Connecting Data Transmission Cables 1-10 Connecting to the Network Connecting to a Serial Device 1-11 Serial Console Port Internal SD Socket Additional Functions Reset Button 1-12 Real-time Clock Page 2-2 Powering on the EM-1240-LX Connecting the EM-1240-LX to a PC Console Port 2-3 Telnet 2-4 Configuring the Ethernet Interface 2-5 2-6 Installing a Secure Digital (SD) Memory Card 2-7 Developing Your Applications Installing the EM-1240-LX Tool Chain Linux Windows Page 2-9 Compiling Hello.c 2-10 Uploading Hello to the EM-1240-LX 2-11 Running Hello on the EM-1240-LX 2-12 Make File Example Code Page 3-2 EM-1240-LX Software Architecture 3-3 Journaling Flash File System (JFFS2) 3-4 EM-1240-LX Software Package 3-5 Page 4-2 Enabling and Disabling Daemons How to enable/disable telnet/ftp server How to update the system time periodically via Network Time Protocol 4-3 Adding a Web Page IPTABLES 4-4 4-5 Observe and erase chain rules 4-6 Define policy for chain rules Append or delete rules: EM-1240-LX Users Manual Configuring EM-1240-LX NAT NAT Example Enabling NAT at Bootup 4-8 Configuring Dial-in/Dial-out Service Dial-out Service Direct cable connection: Connect Using a Modem: Dial-in Service How to Mount a Remote NFS Server Dynamic Driver Module Load/Unload 4-10 Upgrading the Kernel 4-11 Upgrading the Root File System & User Directory 4-12 User Directory BackupEM-1240-LX to PC 4-13 Loading Factory Defaults Mirroring the Application Program and Configuration Autostarting User Applications on Bootup Checking the Kernel and Root File System Versions Page Page EM-1240-LX Users Manual EM-1240-LX Device API 5-2 RTC (Real-time Clock) Buzzer UART Interface Page Windows UC Finder 6-3 6-4 6-5 Linux UC Finder A A busybox: Clinux normal command utility collection File manager Network Process Other Moxa Special Utilities B B Group EM-1240-LX Users Manual SNMP Agent with MIB II & RS-232 Like Group B-2 EM-1240-LX Users Manual SNMP Agent with MIB II & RS-232 Like Group B-3 C C Page Moxa Internet Services D-3 Problem Report Form Moxa EM-1240-LX Product Return Procedure