User manual Version 1.0
EW5302 Wireless Serial Server
Copyright © 2007 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan
- 45 -
process, EW5302 will clear the corresponding memories, and the system will remain the same as
the one before the upgrading process
.
Appendix D. Specifications
D.1. Hardware Specifications
System
CPU
150 MHz RISC Processor with MMU support
Memory
Flash: 8 MB, 2 MB for Bootloader
SDRAM: 16 MB
Interface
Mini-PCI Slot (for Wireless Module)
Watchdog
Hardware Watchdog Reset
Debug Port
CPU Build in COM port
Wireless LAN
Hardware Compliance
to IEEE 802.11b/g Standard
Modulation Type: CCK, DQPSK, DBPSK, OFDM (11g)
Topologies
Infrastructure and Ad-Hoc
Security
WEP 64-bit/128-bit data encryption
WPA Compatible (TKIP/AES Encryption)
WPA2-PSK
RF Performance
Tx Power: 14 dBm for 802.11b and 13 dBm for 802.11g
Rx Sensitivity: -66 dBm @ 54 Mbps, -80 dBm @ 11Mbps
Transmission Rate: 54 Mbps (max.) with auto fallback
Transmission distance: Up to 300 meters @12 Mbps, in open areas
Mobile for Fast Roaming
Interfaces
Reverse SMA connector for an external antenna
Network
Hardware
10/100M Auto-Negotiation Fast Ethernet
Interface
RJ-45 Connector with 2 LEDs
Protection: Built-in 1.5 KV magnetic isolation
Configuration
Using Web-based or a
SerialManager program
Serial
Protocol
Support RS-232/ RS-485/ RS-422 and Software Selection
Interface
Terminal Block Connector –TB model (with 12KV ESD)
D-Sub 9-pin Connector –DB Model (with 12KV ESD)
Parameters
Baud Rate: 1200 bps ~ 921 kbps
Parity Check: None, Odd, Even, Mark, Space
Data Length: 7/8 Bit
Stop Bit: 1/2
Flow Control: None, Software: Xon/Xoff, Hardware: RTS/CTS
