LPWA Module Series
BG95&BG77&BG600L Series TCP/IP Application Note
BG95&BG77&BG600L_Series_TCP/IP_Application_Note 34 / 56
Parameter
ax_backoffs>,<max_rto>]
If the optional parameters are specified, set the maximum interval
and the number of TCP retransmission:
OK
Or
ERROR
Maximum Response Time
300ms
Characteristics
The command takes effect immediately.
The configuration is not saved.
<transpkt_size>
Integer type. Maximum length of the data packet to be sent. Range: 1
–1460.
Default value: 1024. Unit: byte.
<transwaittm>
Integer type. In transparent transmission mode, if the length of data received
from the port is less than the specified value of
<transpkt_size>
, after
exceeding the time specified by
<transwaittm>
, the data will be sent directly.
Range: 0
–20. Default value: 2. Unit: 100 ms.
<send_data_format>
Integer type. Format of the data to be sent.
0
Text mode
1
Hex mode
<recv_data_format>
Integer type. Format of the data to be received.
0
Text mode
1
Hex mode
<view_mode>
Integer type. Output format of received data.
0
Output format of received data: data header\r\ndata.
1
Output format of received data: data header,data.
<recv_ind>
Integer type. URC format.
0
URC format without data length.
URC format is
+QIURC: "recv",<connectID>
.
1
URC format with data length.
URC format is
+QIURC: "recv",<connectID>,<data_len>
.
<SACK>
Integer type. Whether to enable SACK option in TCP header.
0
Disable
1
Enable
<keepalive>
Integer type. Whether to enable TCP keepalive feature. When it is 0,
<idle_time>
,
<interval_time>
and
<probe_cnt>
should be ignored.
0
Disable
1
Enable
<idle_time>
Integer type. Default keepalive time. Range: 1
–120. Unit: minute.
<interval_time>
Integer type. Interval between keepalive probes. Range: 25
–100. Unit: second.
<probe_cnt>
Integer type. Maximum number of keepalive probes. Range: 3
–10.
<max_backoffs>
Integer type. Maximum number of TCP retransmissions. Range: 3
–20. Default
value: 12.
