User's Manual

User manual Version 1.2
ABLELink
®
Ethernet-Serial Server
GW21W-MAXI
Copyright © 2003 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
48 / 56
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
Table 1. RUN LED Message
LAN LED
Message
Description
LED Off
No data is transmitting on Ethernet
LED blinking
Data is transmitting on Ethernet
Table 2. LAN LED Message
COM Port LED
Message Description
LED off
No data is transmitting on COM port
LED on blinking state
Data is transmitting on COM port
Table 3. COM Port LED Message
RUN LED
Message
Description
LED on
Jumper JP7 and JP8 are short to disable AP firmware in
the flash memory.
LED blinking (rate: 0.5Sec) AP firmware is running
Table 4. RUN LED Message