| Hardware Specifications |
| • Computer |
| CPU |
MOXA ART ARM9 32-bit 192 MHz |
| OS (pre-installed) |
Embedded Linux with MMU support |
| DRAM |
W311/321: 32 MB
W341: 64 MB |
| Flash |
16 MB |
| USB |
(W341 only) USB 2.0 compliant hosts x 2, type A connector |
| Relay Output |
(W341 only)
• Form C, SPDT x 1
• Normal Switching Capacity: 2 A @ 30 VDC
• Switching Power: 60 W max.
• Switching Voltage: 220 VDC max.
• Switching Current: 2 A max.
• Operating Time: 4 ms @ 20°C
• Initial Contact Resistance: 100 milli-ohm max. |
| • Storage |
| Storage Expansion |
SD slot |
| • Ethernet Interface |
| LAN |
1 auto-sensing 10/100 Mbps port (RJ45) |
| Magnetic Isolation Protection |
1.5 KV built-in |
| • WLAN Interface |
| Standard Compliance |
802.11a/b/g |
| Radio Frequency Type |
DSSS, CCK, OFDM |
| Media Access Protocol |
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) |
| Tx Power (typical) |
• 5.15-5.35 GHz: 14 dBm @ 6 Mbps, 14 dBm @ 54 Mbps
• 5.725-5.825 GHz: 14 dBm @ 6 Mbps, 13 dBm @ 54 Mbps
• 2.412-2.483 GHz (802.11g): 17 dBm @ 6 Mbps, 15 dBm @ 54 Mbps
• 2.412-2.472 GHz (802.11b): 18 dBm @ 1-11 Mbps |
| Rx Sensitivity (typical) |
• 5.15-5.35 GHz: 6 Mbps @ -82 dBm, 54 Mbps @ -67 dBm
• 5.47-5.725 GHz: 6 Mbps @ -82 dBm, 54 Mbps @ -67 dBm
• 5.725-5.825 GHz: 6 Mbps @ -80 dBm, 54 Mbps @ -69 dBm
• 2.412-2.472 GHz (802.11g): 6 Mbps @ -84 dBm, 54 Mbps @ -69 dBm
• 2.412-2.472 GHz (802.11b): 11 Mbps @ -82 dBm, 1 Mbps @-90 dBm |
| Transmission Rate |
54 Mbps (max.) with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 Mbps)
• 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
• 802.11b: 1, 2, 5.5, 11 Mbps |
| Transmission Distance |
Up to 100 meters (@ 11 Mbps in open areas) |
| Antenna Connector |
Reverse SMA |
| Antenna |
External 2 dbi dipole antenna |
| Wireless Security |
WEP: 64-bit/128-bit, WPA, WPA2 data encryption |
| WLAN Modes |
Ad-hoc (802.11b/g), Infrastructure |
| • Serial Interface |
| Serial Standards |
1, 2, or 4 RS-232/422/485 ports, software-selectable (DB9 male) |
| ESD 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) |
| WLAN |
Enable, Signal Strength |
| Serial |
TxD, RxD |
| • Switches and Buttons |
| Reset Button |
Supports "Reset to Factory Default" |
| • Physical Characteristics |
| Housing |
Aluminum (1 mm) |
| Weight |
W311: 170 g
W321: 185 g
W341: 390 g |
| Dimensions |
(without ears or antenna)
W311/W321: 77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in)
W341: 150 x 100 x 38 mm (5.91 x 3.94 x 1.50 in) |
| Mounting |
DIN-rail (requires optional DK-35A DIN-rail kit), wall |
| • Environmental Limits |
| Operating Temperature |
-10 to 60°C (14 to 140°F) |
| Storage Temperature |
-20 to 80°C (-4 to 176°F) |
| Ambient Relative Humidity |
5 to 95% (non-condensing) |
| 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 |
W311 and W321: 12 to 24 VDC
W341: 12 to 48 VDC |
| Power Consumption |
W311/321: 4.8 W
• 200 mA @ 24 VDC
• 400 mA @ 12 VDC
W341:
With no load on USB ports: 7.2 W
• 300 mA @ 24 VDC
• 600 mA @ 12 VDC
With full load on USB ports: 14.4 W
• 600 mA @ 24 VDC
• 1200 mA @ 12 VDC |
| • Standards and Certifications |
| Safety |
UL 60950-1, EN 60950-1 |
| EMC |
EN 55022 Class A, EN 61000-3-2, EN 61000-3-3, EN 55024 |
| Radio |
EN 301 489-1/17, EN 301 893, EN 300 328, EN 50392, FCC Part 15, Subpart C/E |
| Wheeled Vehicles |
e-Mark (e13) (W311/321 only) |
| Green Product |
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) supporting 1-255 level time interval system reset, software programmable |
| MTBF (mean time between failures) |
W311: 501,331 hrs
W321: 367,253 hrs
W341: 284,702 hrs |
| • Warranty |
| Warranty Period |
5 years |
| Details |
See http://www.moxa.com/support/warranty.htm |
| Software Specifications |
| • Linux |
| OS |
Linux 2.6.9 |
| File System |
JFFS2 (for on-board flash) |
| Internet Protocol Suite |
TCP, UDP, IPv4, SNMPv1, ICMP, ARP, HTTP, CHAP, PAP, SSH 1.0/2.0, SSL, DHCP, NTP, NFS, Telnet, FTP, TFTP, PPP, PPPoE |
| Internet Security |
OpenVPN, iptables firewall |
| Web Server (Apache) |
Allows you to create and manage Web sites, supporting PHP and XML |
| Terminal Server (SSH) |
Provides secure encrypted communications between two un-trusted hosts over an insecure network. |
| Dial-up Networking |
PPP Daemon for Linux allows Unix machines to connect to the internet through dialup lines, using the PPP protocol, as a PPP server or client. Works with 'chat', 'dip', and 'diald', among (many) others. Supports IP, TCP, UDP and (for Linux) IPX (Novell). |
| Watchdog |
Features a software function to trigger system reset in a user specified time interval. (MOXA API provided) |
| Application Development |
• Moxa API Library (Watchdog timer, Moxa serial I/O control, Moxa DI/DO API)
• GNU C/C++ Cross-Compiler
• GNU C library
• GDB source-level debugging server |
| Software Protection |
Encryption tool for user executable files (based on patented Moxa technology) |