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Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
19Internet protocol transport layer
Page 226 of 401
19.20Data Length Trigger configuration for Direct Link
+UDCONF=6
+UDCONF=6
Modules All products
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
19.20.1Description
Sets the data length trigger of the interested socket identifier for the data transmission enhanced Direct Link.
SARA-R4 / SARA-N4
If data length trigger (<data_length_trigger>) and timer trigger (see +UDCONF=5) are both set to 0, the
effective data length trigger size is 2048 bytes for TCP sockets and 1472 bytes for UDP sockets.
19.20.2Syntax
Type Syntax Response Example
Set AT+UDCONF=6,<socket_id>,<data_
length_trigger>
OK AT+UDCONF=6,0,1024
OK
Read AT+UDCONF=6,<socket_id> +UDCONF: 6,<socket_id>,<data_
length_trigger>
OK
AT+UDCONF=6,0
+UDCONF: 6,0,1024
OK
19.20.3Defined values
Parameter Type Description
<socket_id> Number Socket identifier; used when changing the UDP Direct Link settings:
• SARA-R4 / SARA-N4 - The range goes from 0 to 6.
<data_length_
trigger>
Number Enhanced Direct Link data length trigger in bytes, valid range is 0, 3-1472 for UDP and
0, 3-2048 for TCP, the factory-programmed value is 1024 for UDP, 0 for TCP, 0 means
trigger disabled.
19.21Character trigger configuration for Direct Link
+UDCONF=7
+UDCONF=7
Modules All products
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
19.21.1Description
Sets the character trigger of the interested socket identifier for the data transmission enhanced Direct Link.
19.21.2Syntax
Type Syntax Response Example
Set AT+UDCONF=7,<socket_id>,
<character_trigger>
OK AT+UDCONF=7,0,13
OK
Read AT+UDCONF=7,<socket_id> +UDCONF: 7,<socket_id>,
<character_trigger>
OK
AT+UDCONF=7,0
+UDCONF: 7,0,13
OK