User manual

User manual Version 2.3
ABLELink
Serial-Ethernet Server
GW21W
A.4 Buzzer/LED Message
Buzzer
“ ^ “ : Beep twice
“ = “ : Beep off
Message Description
^===^===^===^===^===^===^..
(1sec)
Watchdog problem, return service is required
^^^^^^^^^^^^^^^^^^^^^^^.. Memory problem, return service is required
^==^========^^
(5sec)
Startup OK but AP firmware is disabled
^==^========^^^
(5sec)
Startup OK and AP firmware is enabled
LAN LED
Message Description
LED Off
No data is transmitting on Ethernet
LED blinking
Data is transmitting on Ethernet
COM1 LED
Message Description
LED off
No data is transmitting on COM1
LED on blinking state
Data is transmitting on COM1
COM2 LED
Message Description
LED off
No data is transmitting on COM2
LED on blinking state
Data is transmitting on COM2
RUN LED
Message Description
LED on 1.Jumper JP16 is opened to disable AP firmware in the flash
memory.
2.Jumper JP16 is shorted, but no AP firmware in the flash
memory.
LED blinking (rate: 0.5Sec) AP firmware is running
Copyright © 2003 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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