Moxa EM-1220-LX Manual Do Utilizador

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Embedded Computers

CPU: MOXA ART ARM9 32-bit 192 MHz processor
OS (pre-installed): Embedded μClinux (kernel 2.6.19)
DRAM: 16 MB onboard
Flash: 8 MB onboard

Storage Expansion: SD signals for external Secure Digital (SD) 
socket connection

LAN: 2 auto-sensing 10/100 Mbps ports (RJ45)
Magnetic Isolation Protection: 1.5 KV built-in

Serial Standards: RS-232/422/485, software-selectable, 2 ports
ESD Protection: 15 KV for all signals
Console Port: RS-232 (TxD, RxD, GND), 4-pin pin header output

Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity: None, Even, Odd, Space, Mark
Flow Control: RTS/CTS, XON/XOFF, ADDC® (automatic data 
direction control) for RS-485
Baudrate: 50 bps to 921.6 Kbps (supports non-standard baudrates; 
see user’s manual for details)

RS-232: TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND
RS-422: TxD+, TxD-, RxD+, RxD-, GND
RS-485-4w: TxD+, TxD-, RxD+, RxD-, GND
RS-485-2w: Data+, Data-, GND

System: Ready
LAN: 10M/Link x 2, 100M/Link x 2
Serial: TxD x 2, RxD x 2

Weight: 
• EM-1220 Module: 40 g 
• EM-1220 Development Kit: 120 g
Dimensions: 
• EM-1220 Module: 80 x 50 mm (3.15 x 1.97 in) 
• EM-1220 Development Kit: 117 x 70 mm (4.61 x 2.76 in)
Module Interface: Two 2 x 17 pin-headers (2.5 x 2.5 mm pitch)

Operating Temperature: 
Standard Models: -10 to 60°C (14 to 140°F) 
Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Operating Humidity: 5 to 95% RH
Storage Temperature: 
Standard Models: -20 to 80°C (-4 to 176°F) 
Wide Temp. Models: -40 to 85°C (-40 to 185°F)

Input Voltage: 3.3 VDC
Power Consumption: 2.1 W (625 mA @ 3.3 VDC)

EMC: CE (EN55022 Class A, EN61000-3-2 Class A, EN61000-3-3, 
EN55024), FCC (Part 15 Subpart B, CISPR 22 Class A)

Alert Tools: Built-in buzzer and RTC (real-time clock)
Automatic Reboot Trigger: Built-in WDT (watchdog timer)

Warranty Period: 5 years
Details: See www.moxa.com/warranty

Note: The Hardware Specifications apply to the embedded computer unit itself, 

but not to accessories. In particular, the wide temperature specification does 

not apply to accessories such as the power adaptor and cables.

Kernel Version: 2.6.19
Protocol Stack: ARP, ICMP, IPV4, TCP, UDP, FTP, Telnet, SNMP V1, 
HTTP, CHAP, PAP, DHCP, NTP, NFS V2, SMTP, Telnet, PPP, PPPoE
File System: JFFS2, root file system (read only), and user directory 
(read/write)
System Utilities: msh, busybox, tinylogin, telnet, ftp
pppd: Dial in/out over serial port daemon, including PPPoE 
(Point-to-Point over Ethernet)

snmpd: SNMP V1 Agent daemon
telnetd: Telnet server daemon
inetd: TCP server manager program
ftpd: FTP server program
boa: Web server daemon
ntpdate: Network Time Protocol client utility
Tool Chain: 
• Arm-elf-gcc: C/C++ PC Cross Compiler 
• μClibc: POSIX standard C library

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