Manufacturer's warranty has expired.
EKI-1121L and EKI-1122L are RISC-based embedded communication controllers which provide dual auto-sensing 10/100 Mbps Ethernet ports for network redundancy and one or two software-selectable RS-232/422/485 serial ports. The EKI-1121L and EKI-1122L use the ARM7 RISC CPU which is a powerful computing engine to fulfill data compression or protocol conversion requirements. The built-in 8 MB flash ROM and 16 MB SDRAM provide user enough storage to run their specific applications.
| Specifications
System |
|
Mechanics |
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| CPU Flash SDRAM OS (pre-installed) Console Port Other | ARM7 32-bit RISC CPU, 80 MHz 8 MB 16 MB uClinux RS-232, 3-wire (Tx, Rx, GND) pin-header RTC, watchdog timer | Dimensions Housing Weight Mounting
Power Requirements | 37 x 140 x 95 mm (W x H x D) Metal 600g DIN-rail, wall |
| Ethernet Interface LAN |
2 x auto-sensing 10/100 Mbps ports | Input Voltage Power Consumption | 12 ~ 48 VDC, redundant dual inputs 2.5 W |
| Connector | RJ-45 | Software (uClinux) |
|
| Protection | 1.5 kV magnetic isolation protection | Kernel Version | 2.4.31 |
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| Protocol Stack | TCP, UDP, IPv4, ICMP, ARP, SNMP V1, HTTP, DHCP, |
| Serial Interface |
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| NTP, NFS, SMTP, Telnet, FTP, PPP, PPPoE |
Serial Standards Software selectable RS-232/422/485 ports
Connectors D-sub 9 male
Protection 15 kV ESD protection for all signals
Serial Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF, automatic RS-485 data flow control
Baud Rate 50 bps to 921.6 kbps
Serial Signals
RS-232 TxD, RxD, DTR, DSR, RTS, CTS, DCD, RI, GND
RS-422 TxD+, TxD-, RxD+, RxD-, GND
RS-485 Data+, Data-, GND
LEDs
System OS ready, power 1 and power 2 ready
LAN Speed (10/100 Mbps), link/active (on connector)
Serial TxD, RxD
File System ROMFS/JFFS2
System Utility busybox, telnet, ftp, sash, tftp
Daemon pppd, snmpd, telnetd, inted, ftpd, boa
Linux Tool Chain Arm-elf-gcc: C/C++ PC Cross Compiler
uClibc POSIX Standard Library
Environmental Limits
Operating Temperature 0 ~ 60° C (32 ~ 140° F)
Storage Temperature -20 ~ 80° C (-4 ~ 176° F)
Operating Humidity 5 ~ 95 % RH
Regulatory Approvals
EMC CE, FCC Part 15 Subpart B (Class A)
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