User`s manual

Industrial Networking Solutions
17-5
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Wireless Embedded Computers >
W311/321/341
17
Hardware Specifi cations
Wireless LAN
antenna
Serial
console port
Ethernet
(10/100BaseTx)
12 to 48 VDC
Internal SD Slot for
Storage Expansion
(remove cover to access)
Serial Port 1 to 4
(RS-232/422/485)
Relay Output
USB 2.0 Host x 2
W341
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,
supports system boot up
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 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-select-
able (DB9 male)
EDS 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)