D T 5 0 - M C O M M A N D R E F E R E N C E G U I D E 1 . 1 P a g e
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ERROR
Error response.
Parameter
Description
param_tag
0: Keep remote peer in the command mode
• 0: Disconnect peers when entering the command
mode
• 1 (default): Keep connections when entering the
command mode
1: The module will be reset to factory default
settings if it detects the following sequence on the
DTR line: 1 second silence, 5 transfers from
DEASSERTED to ASSERTED within 1 second, and 1
second silence. AT&D settings does not affect this.
• 0: Disabled
• 1 (default): Enabled
2: Number of allowed TCP links.
• 1
-8: Default is 2.
3: DSR activation bit mask.
Defines the condition when the DSR line is asserted.
The default value for the bit
mask corresponds to the previous behavior of the
&S2 AT command.
• Bit 0: Activate DSR if any data peer is connected
(old behavior)
• Bit 1: Activate DSR if a Bluetooth LE bond
ed device
is connected
• Bit 2: Activate DSR on any Bluetooth LE GAP
connection
4: Always connected reconnect time out
• 100
-60000 milliseconds before trying to reconnect
a default remote peer with always connected bit set
(Default is 10000)
5: TCP out of sequence queue length
• 0
-15: Queue length for TCP packets arriving out of
sequence (Default is 3). If multiple TCP links are
used, this should be low.
7.1.10 Peer conUUDPC
Description
+UUDPC
Unsolicited response code for
data mode.
Unsolicited response code(URC)
Description
+UUDPC:<peer_handle>,<type>,
<profile>,<address>,<frame_size>
A Bluetooth peer has been
connected.
+UUDPC:<peer_handle>,<type>,
An IP peer has been connected
