u-blox SARA-G3 Series System Integration Manual page 59

If HW flow control is enabled, the hardware flow-control output (CTS line) indicates when the UART
interface is enabled (data can be sent and received) as illustrated in
CTS OFF
CTS ON
0.47- 2.10 s ~10 ms (min)
UART disabled UART enabled
Figure 19: CTS behavior with power saving enabled (AT+UPSV=1) and HW flow control enabled: the CTS output line indicates when the
UART interface of the module is enabled (CTS = ON = low level) or disabled (CTS = OFF = high level)
UBX-13000995 - R06
SARA-G3 series - System Integration Manual
Figure 19Figure
Data input
~9.2 s (default)
UART enabled
Objective Specification
19.
time [s]
System description
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