User manual Version 2.3
ABLELink
®
Ethernet-Serial Server GW21R
B.2 Critical Issues of Upgrading
1. You can always abort the upgrading process by pressing the
<Esc>
key from host PC during the
upgrading process. GW21R will restart automatically and the system remains intact.
2. If GW21R does not receive any upgrading data within
30 seconds
, GW21R will restart automatically
and the system remains intact.
3. After the upgrading process finishes, GW21R will program the flash memory and buzzer beeps 6
times then restarts. Normally, it takes around 10 seconds to complete the programming process. If an
error occurs during the programming process, GW21R will clear the corresponding memory and the
system remains intact of what it was.
B.3 Error Messages
Firmware upgrade may not be successful if errors occur during the process.
Error Cause
Message
Comments
Illegal Hex file format
Hex File Text Error
Hex File Check-Sum Error
Hex File Format Error
Hex File End of Record Error
GW21R handshaking problem
GW21R ACK Start Address Error
GW21R Length Error
GW21R Response Command Error
Configuration file
Remote IP not found
Open configuration file failure
Copyright © 2004 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
48 / 54
