Neoway N11 V2 - Sending TCP Data (+TCPSEND)

N11 V2
AT Command Manual
Copyright © Neoway Technology Co., Ltd
59
+TCPSETUP:ERROR
AT+TCPSET=0,58.60.184.213,10012
ERROR
The AT command is not complete.
Remarks
Use the AT+XIIC=1 command to set up a PPP link before running this command.
7.2 Sending TCP Data: +TCPSEND
Description
To send TCP data
The module will return> after this command is sent. Send TCP data 50 ms to 100
ms later.
Format
AT+TCPSEND=<n>,<length><CR>
Parameter
<n>: Socket number, ranging from 0 to 4. A TCP link is established on the socket.
<length>:The length of the data to be sent, ranging from 1 to 2048, unit: byte.
Return Value
See the Example.
Example
AT+TCPSEND=0,1
>
OK
+TCPSEND:0,1
1-byte data is successfully sent
through socket 0.
AT+TCPSEND=0,1024
>
+TCPSEND:ERROR
Network congestion occurs when
1024-byte data is sent. Only some
data is sent successfully.
AT+TCPSEND=0,10
>
+TCPSEND:0,OPERATION EXPIRED
After the data sending command is
input and > is returned, no more data
is entered in one minute. Then the
expiration information is displayed.
AT+TCPSEND=0,1
+TCPSEND:SOCKET ID OPEN FAILED
One-byte data fails to be sent on
socket 0 because the link is not
established.
AT+TCPSEND=0,4097
+TCPSEND:DATA LENGTH ERROR
4097-byte data fails to be sent on
socket 0 because data length exceeds
the limit.
AT+TCPSEND=0
21-byte data is successfully sent