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DataSheet

Mini RISC-based Ready-to-Run Wireless Embedded Computer with GSM/GPRS, 2 Serial Ports, LAN, SD, Linux OS

The 325 is an embedded Linux computer that features 2 software selectable RS-232/422/485 ports, 1 Ethernet port, and quad-band GSM/GPRS 900/1800/850/1900 MHz for cellular communication. In addition, the W325 comes with an SD socket for external storage expansion. The W325's Linux OS runs on the MOXA ART 32-bit ARM9 processor, which provides a powerful and reliable platform for harsh, industrial environments. You will find these computers ideal for a variety of machine-to-machine applications, including data acquisition, protocol conversion, and remote device control and monitoring.

Features and Benefits

MOXA ART ARM9 32-bit 192 MHz processor
32 MB RAM, and 16 MB flash disk onboard
Built-in quad band GSM/GPRS 850/900/1800/1900 MHz
GPRS Class 10, coding scheme from CS1 to CS4 supported
1 software-selectable RS-232/422/485 serial port
10/100 Mbps Ethernet for network redundancy
Designed to withstand 5 g’s of continuous vibration and 50-g shocks
Ready-to-run Linux Kernel 2.6 platform
DIN-rail or wall-mount installation
Robust, fanless design

Hardware Specifications

Computer
CPU	MOXA ART ARM9 32-bit RISC CPU, 192 MHz
OS (pre-installed)	Embedded Linux with MMU support
DRAM	32 MB
Flash	16 MB
Storage Expansion	SD socket
LAN Interface
Ethernet	Auto-sensing 10/100 Mbps, RJ45 connector
Magnetic Isolation Protection	1.5 KV built-in
Cellular Interface
Cellular Mode	GSM, GPRS
GPRS Class	10
Coding Scheme	CS1 to CS4
Radio Frequency Band	850/900/1800/1900 MHz
Serial Interface
Serial Standards	RS-232/422/485 (software-selectable)
Number of Ports	2
Connector(s)	DB9 male
Serial Line Protection	15 KV ESD protection for all signals
Console Port	RS-232 interface (TxD, RxD, GND with 4-pin pin header output)
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 (non-standard baudrates supported; 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, SD
LAN	10M/Link, 100M/Link (on connector)
Serial	TxD, RxD
Cellular	GPRS Enabled, GSM Signal Strength
Switches and Buttons
Buttons	Reset button for resetting to factory defaults
Physical Characteristics
Enclosure	Aluminum (1 mm)
Dimensions	77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in)
Mounting	DIN-rail (requires optional DK-35A DIN-rail kit), wall
Antenna Length	110 mm
Environmental Limits
Operating Temperature	-10 to 60°C (14 to 140°F)
Operating Humidity	5 to 95% RH
Storage Temperature	-20 to 80°C (-4 to 176°F)
Anti-Vibration	5 g's @ IEC-68-2-6, sine wave, 5-500 Hz, 1 Oct./min, 1 hr/axis
Anti-Shock	50 g's @ IEC-68-2-6, half-sine wave, 30 ms
Power Requirements
Input Voltage	12 to 48 VDC
Regulatory Approvals
Safety	UL/cUL, T?V
EMC	CE (Class A), FCC
Directives	RoHS, CRoHS, WEEE
Reliability
Alert Tools	Built-in buzzer and RTC (real-time clock) with battery backup
Automatic Reboot Trigger	Built-in WDT (watchdog timer)
Warranty
Warranty Period	5 years

Software Specifications

Linux
Kernel Version	2.6.9
Boot Loader	Redboot
Protocol Stack	TCP, UDP, IPv4, SNMP V1, ICMP, IGMP, ARP, HTTP, CHAP, PAP, SSH 1.0/ 2.0, SSL, DHCP, NTP, NFS, SMTP, Telnet, FTP, PPP, PPPoE
File System	JFFS2 (on-board flash)
System Utilities	bash, busybox, tinylogin, telnet, ftp, scp
Supported Services and Daemons	telnetd: Telnet Server daemon ftpd: FTP server daemon sshd: Secure shell server Apache: Web server daemon, supporting PHP and XML OpenVPN: Virtual private network service manager iptables: Firewall service manager pppd: dial in/out over serial port daemon & PPPoE snmpd: snmpd agent daemon inetd: TCP server manager program
Application Development Environment	MOXA Linux API Library Linux Tool Chain: Gcc, Glibc, GDB BINEncryptor: Encryption tool for binary files; based on Moxa Intellectual Protection Technology (Patented)
Device Drivers	UART, RTC, Buzzer, SD Card

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