User's Manual

W311/321/341 Hardware User’s Manual Introduction
WLAN Communication
Standard Compliance 802.11a/b/g
Radio Frequency Type DSSS, CCK, OFDM
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
(Typical)
5.15 to 5.35 GHz: 15 dBm @6 Mbps; 12 dBm @54 Mbps
5.725 to 5.825 GHz: 15 dBm @6 Mbps; 12 dBm @54 Mbps
USA: 2.412 to 2.462 GHz (IEEE802.11g): 19 dBm @6 Mbps;
EU: 2.412 to 2.472 GHz 17 dBm @54Mbps
2.412 to 2.462 GHz (IEEE802.11b): 18 dBm@ 1 to 11 Mbps
Receiver Sensitivity
(Typical)
5.15 to 5.35 GHz: 6 Mbps @ -90 dBm; 54 Mbps @ -72 dBm
5.47 to 5.725 GHz: 6 Mbps @ -90 dBm; 54 Mbps @ -72 dBm
5.725 to 5.825 GHz: 6 Mbps @ -89 dBm; 54 Mbps @ -72 dBm
USA: 2.412 to 2.462 GHz (IEEE802.11g): 6 Mbps @ -90 dBm;
EU: 2.412 to 2.472 GHz 54 Mbps @ -73 dBm
USA: 2.412 to 2.462 GHz (IEEE802.11b): 11 Mbps @ -87 dBm;
EU: 2.412 to 2.472 GHz 1 Mbps @ -94 dBm
Transmission Rate 54 Mbps with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1
Mbps)
802.11b supported rates: 1, 2, 5.5, 11 Mbps
802.11a/g supported rates: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Transmission Distance 100 meters at 11 Mbps (with no obstructions)
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
10/100 Mbps RJ45 × 1, auto-sensing
Protection 1.5 KV built-in magnetic isolation protection
Serial Communication
Serial Port
W311: RS-232/422/485 DB9 male × 1
W321: RS-232/422/485 DB9 male × 2
W341: RS-232/422/485 DB9 male × 4
Protection 15 KV built-in 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™
Speed 50 bps to 921.6 Kbps; supports non-standard baudrates
LEDs
System Ready, SD activity
WLAN Enable, signal strength
1-4