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User manual Version 1.2
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Serial-Ethernet Server
GW21W-MAXI
Copyright © 2003 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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Appendix A: GW21W-MAXI Serial-Ethernet Server Specifications
A.1. Hardware Specifications
Specifications
CPU
16-bit Embedded CPU
100MHz
Flash Memory
512K Bytes
SDRAM
512K Bytes
EEPROM
512 Bytes
Host Communication
IEEE802.11b 11 Mbps Wireless LAN
TCP/IP, UDP, SNMP, HTTP, Telnet, ARP, BOOTP
Reset
Built-in reset key to restore factory default settings
Watch Dog Timer
1.34 second hardware auto reset
Power failure threshold: 4.75V
Serial Port
Communication
One RS-232 or RS-485 selectable
RS-232: EIA-RS-232C standard, Full Duplex, 8 pins Mini-DIN or 5 pins
terminal block
RS-485: 2/4 wires, Half/Full duplex, 8 pins Mini-DIN or 5 pins terminal
Parameters
1) Baud-rate: 1200 bps ~ 230400 bps
2) Parity: None, Even, Odd, Mark, Space
3) Data bits: 7,8
4) Stop bits: 1,2
5) Packet Delimiter: by inter-character timeout, by characters delim
6) Flow Control: None, Hardware CTS/RTS, Software Xon/Xoff
LED indication
RUN x 1 (Green)
LAN x 1 (Green)
COM port1 (Green)
Power Requirement
+9~30Vdc , 2.8 Watt Max
Temperature
Operation:
Storage:
0
℃
to 60
℃
-20
℃
to 85
℃
Humidity
20%~90% non-condensing
Housing
90mm(L) x 45mm(W) x 63mm(H)