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1st Problem: In ATC mode, EZL-80c echo the AT command by default. So you saw the message what you wrote. If you input ATE0 command, the the echo messsage will be disappeared. (ATE1: echo enable, ATE0: echo disable) 2nd Problem: I think there are some problems. For example: 1. PC is too slow or out of order 2. the Ground signal is not connected 3. voltage level problem(EZL-80c is 3.3V level) (We checked it but there is no problem) > Jason wrote: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > I have a system including 8051(philp p89lpc922fn) EZL-80C,WLAN card. > Now i have some problem.I connect > (8051'ss TXD to ZEL80C'ss RXD and 8051'ss RXD to ZEL80C'ss TXD),when i input "AT+PRIP=192.192.70.23",but the ZEL80C responsed "AT+PRIP=192.192.70.23 > OK". > Unfortunately the ezl-80c user'ss manual only put down in writing "OK",so i don'st know why do they have this situation? > Sometimes they have another situation.I use the super terminal to check the 8051'ss TXD output which is "AT+PRIP=192.192.70.23",but it often lost some words,example:"AT+PIP=192.12.70.23" or "A+PRIP=92.192.0.23",so i don'st overcome this situation.Could you tell me how to do overcome these problems.
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