EKI-1121L/1122L/1124L User Manual
2
1.1
Overview
The EKI-1121L/1122L/1124L is a Linux-based RISC-grade embedded platform that
offers 2 LAN and 1/2/4 serial ports.
EKI-1121L/1122L/1124L could operate well under 0~60°C. Its compact size and light
weight could fit in industrial robust environment. With these advantages, EKI-1121L/
1122L/1124L is suitable for communication gateway for converting communication
protocol.
EKI-1121L/1122L/1124L is a perfect embedded ready platform that can shorten your
development time and offer rich networking interfaces to fulfill your diverse require-
ments.
1.2
Features
Winbond ARM7 W90N740 80MHz Processor
16 MB SDRAM onboard, 8 MB Flash
1/2/4 independent RS-232/422/485 serial ports
Dual 10/100 Mbps Ethernet
1 channel LED for user define
Ready platform for Linux build in flash
Compact size and light weight
0~60°C wide range operation temperature
DIN-rail and wall mounting
10/100 Mbps Base-T standard
Surge protection for RS-485 line and power supply
Automatic RS-485 data flow control
1.3
Specifications
Boot-loader: Redboot
Kernel version: linux-2.6.29.6-rt24
C Library: uClibc 0.9.26
OS boot up time <= 9 seconds
Independent hardware watchdog timer
Real-time clock with battery
Ethernet communication compatibility: IEEE 802.3, IEEE802.3u
Protocols: IPv4, ARP, ICMP, UDP, TCP, HTTP, SNMP v1/v2c, NTP, FTP, TFTP,
TELNET, PAP, CHAP, DHCP, PPP, PPPoE, NFS, SMTP
Interfaces:
–
Network: 2 10/100 BASE-T Ethernet ports
–
Serial: 1/2 independent RS-232/422/485 serial ports
Serial ports:
–
EKI-1121L: 1 independent RS-232/422/485 serial port
–
EKI-1122L: 2 independent RS-232/422/485 serial ports
–
EKI-1124L: 4 independent RS-232/422/485 serial ports
Connectors:
–
Network: RJ-45
–
Serial: DB9
Transmission speed: 50 bps to 921 Kbps
Parity bit: Odd, Even, None, Space, Mark
Содержание EKI-1121L
Страница 1: ...User Manual EKI 1121L EKI 1122L EKI 1124L 1 2 4 port Programmable Serial Device Servers...
Страница 7: ...Chapter 1 1 Introduction...
Страница 10: ...EKI 1121L 1122L 1124L User Manual 4...
Страница 11: ...Chapter 2 2 Getting Started...
Страница 14: ...EKI 1121L 1122L 1124L User Manual 8 Figure 2 3 Back View of EKI 1121L Figure 2 4 Top View of EKI 1121L...
Страница 16: ...EKI 1121L 1122L 1124L User Manual 10 Figure 2 7 Back View of EKI 1122L Figure 2 8 Top View of EKI 1122L...
Страница 18: ...EKI 1121L 1122L 1124L User Manual 12 Figure 2 11 Back View of EKI 1124L Figure 2 12 Top View of EKI 1224L...
Страница 23: ...Chapter 3 3 Installation and Configuration...
Страница 42: ...EKI 1121L 1122L 1124L User Manual 36...
Страница 43: ...Chapter 4 4 Development Guide...
Страница 48: ...EKI 1121L 1122L 1124L User Manual 42...
Страница 49: ...Chapter 5 5 Troubleshooting...
Страница 51: ...Appendix A A Restore the Platform Kernel...
Страница 53: ...Appendix B B Erase JFFS2 File System...
Страница 55: ...Appendix C C Command Collection...
Страница 59: ...53 EKI 1121L 1122L 1124L User Manual Appendix C Command Collection...