Telit Wireless Solutions LE910C series - AT#DTR - Data Terminal Ready (DTR) Flow Control

LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 301 of 1904 2022-03-04
Not Subject to NDA
3.2.4.11. AT#DTR - Data Terminal Ready (DTR) flow control
The command configures how the outbound flow on serial ports is controlled by the DTR
signal.
SIM Presence
Setting saved
Can be aborted
MAX timeout
SELINT
Not required
Auto
No
-
2
AT#DTR=<n>
This set command configures the behavior of th outbound flow according
to the DTR control line level transitions.
Parameter:
Name
Type
Default
Description
<n>
integer
N/A
DTR outbound flow control
behavior
Values:
0
:
DTR level transitions are ignored and cannot control the
outbound data flow
1
:
DTR level transitions control the outbound data flow. If
DTR is asserted, the output data is sent; if DTR is not
asserted, the output data is blocked
Additional info:
For USIF ports default value of <n> is 0.
For USB ports default value of <n> is 2.
The range depends on the port.