User's Manual
ThinkCore W341/321/311 Hardware User’s Manual Hardware Introduction
1-5
Operate Time: 4 ms @20°C
Initial Contact Resistance: 100 mohm max.
Console Port RS-232 x 1 (TxD, RxD, GND), 4-pin header output, “115200, n, 8, 1”
Button Reset button x 1, support “Reset to Factory Default”
Others RTC, buzzer, Watchdog Timer
OS Built-in Embedded Linux for W341 with MMU support
μClinux for W321/311, based on Linux Kernel 2.6
WLAN Communication
Standard Compliance 802.11a/b/g
Radio Frequency Type DSSS, CCK, OFDM
Radio Frequency Band 802.11a: 5.15~5.25GHz, 5.725~5.825GHz
802.11b/g: U.S., Europe and Japan product covering 2.4 to 2.484 GHz
Media Access Protocol Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
Modulation 802.11a/g: OFDM (64-QAM, 16-QAM, QPSK, BPSK)
802.11b: DSSS (DBPSK, DQPSK, CCK)
Transmission Power 5.15~5.25GHz: 15dBm@ 6Mbps; 12dBm@ 54Mbps
(Typical) 5.725~5.825GHz: 15dBm@ 6Mbps; 12dBm@ 54Mbps
2.412~2.483GHz (IEEE802.11g): 17dBm@ 6Mbps; 15dBm@ 54Mbps
2.412~2.472GHz (IEEE802.11b): 18dBm@ 1~11Mbps
Receiver Sensitivity 5.15~5.25GHz: 6Mbps@ -90dBm; 54Mbps@ -72dBm
(Typical) 5.725~5.825GHz: 6Mbps@ -90dBm; 54Mbps@ -72dBm
2.412~2472G(IEEE802.11g): 6Mbps@ -90dBm; 54Mbps@ -73dBm
2.412~2.472G(IEEE802.11b): 11Mbps@ -87dBm; 1Mbps@ -94dBm
Transmission Rate 54 Mbps with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 Mbps)
802.11b support rate: 1M, 2M, 5.5M, 11Mbps
802.11a/g support rate: 6M, 9M, 12M, 18M, 24M, 36M, 48M, 54Mbps
Transmission distance Up to 100 meters (@ 11 Mbps, in open areas)
Security WEP 64-bit/128-bit, WPA, WPA2 data encryption
Antenna Connector Reverse SMA
Antenna External 2 dbi Dipole Antenna
WLAN Mode Infrastructure, Ad-Hoc
Network Communication
LAN Auto-sensing 10/100Mbps x 1, RJ45
Protection built-in 1.5KV magnetic isolation protection
Serial Communication
Serial Port One software–selectable RS-232/422/485 port for W311, DB9 connector
Two software–selectable RS-232/422/485 port for W321, DB9 connector
Four software–selectable RS-232/422/485 port for W341, DB9 connector
Protection built-in 15KV ESD protection for all signals
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF, RS-485 ADDC
TM
Speed 50 bps to 921.6 Kbps, support any baud rate
LEDs