www.moxa.com
EM-1240 Series
26-10
Dimensions
EM-1220
80 (3.15)
50 (1.97)
117 (4.61)
70 (2.76)
90 (3.54)
70 (2.76)
177 (6.97)
115 (4.53)
EM-1240-DKEM-1240
EM-1220-DK
Software Specifications
μClinux
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
Hardware Specifications
Computer
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
Storage Expansion: SD signals for external Secure Digital (SD) socket
connection
Ethernet Interface
LAN: 2 auto-sensing 10/100 Mbps ports (RJ45)
Magnetic Isolation Protection: 1�5 kV built-in
Serial Interface
Serial Standards: RS-232/422/485, software-selectable, 4 ports
ESD Protection: 15 kV for all signals
Console Port: RS-232 (all signals), RJ45 connector, supports PPP
Serial Communication 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, 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)
Serial Signals
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
LEDs
System: Ready
LAN: 10M/Link x 2, 100M/Link x 2
Serial: TxD x 2, RxD x 2
Physical Characteristics
Weight:
• EM-1240 Module: 50 g
• EM-1240 Development Kit: 200 g
Dimensions:
• EM-1240 Module: 90 x 80 mm (3.54 x 3.15 in)
• EM-1240 Development Kit: 177 x 115 mm (6.97 x 4.53 in)
Module Interface: Two 2 x 28 pin-headers (1�27 x 1�27 mm pitch)
Environmental Limits
Operating Temperature:
Standard Models: -10 to 60°C (14 to 140°F)
Wide Temp� Models: -40 to 75°C (-40 to 167°F)
Storage Temperature:
Standard Models: -20 to 80°C (-4 to 176°F)
Wide Temp� Models: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)
Power Requirements
Input Voltage: 5 VDC
Power Consumption: 2�5 W (500 mA @ 5 VDC)
Standards and Certifications
EMC: EN 55022 Class A, EN 61000-3-2 Class A, EN 61000-3-3, EN
55024, FCC Part 15 Subpart B Class A
Reliability
Alert Tools: Built-in buzzer and RTC (real-time clock)
Automatic Reboot Trigger: Built-in WDT (watchdog timer)
MTBF (mean time between failures): 152,222 hrs
Warranty
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�
Unit: mm (inch)
EM-1240 EM-1240-DK
(16 Seiten)
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