User manual Version 2.3
ABLELink
®
Ethernet-Serial Server GW21R
Appendix A: GW21R Ethernet-Serial Server Specifications
A.1. Hardware Specifications
Specifications
CPU
16-bit Embedded CPU
40MHz
Flash Memory
512K Bytes
SRAM
256K Bytes
EEPROM
512 Bytes
Host Communication
IEEE802.3 base band
TCP or UDP network protocol
Reset
Built-in default key for restoring default parameters
Watch Dog Timer
1 second hardware auto reset
Power failure threshold: 4.75V
Serial Port
Communication
Two serial ports RS-232 or RS-485 is selectable
RS-232: EIA-RS-232C standard, Full Duplex, 9 pin Male D-type
RS-485: 2/4 wires, Half/Full duplex, 9 pins Male D-type.
Parameters
1) Baud-rate: 1200 bps ~115200 bps
2) Parity: None, Even, Odd
3) Data bits: 7,8
4) Stop bits: 1,2
5) Packet Delimiter: by inter-character timeout, by characters d
6) Flow Control: None, Hardware handshake
LED indication
RUN x 1
LAN x 1
COM port1
COM port2
Power Requirement
9-30 V DC 350 mA@12V
Temperature
Operation:
Storage:
0
℃
to 50
℃
-20
℃
to 70
℃
Humidity
20%~90% non-condensing
Housing
140mm) x 82(mm) x 35(mm)
Copyright © 2004 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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