AirPrime and HL7548 AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 34
AT Commands Interface Guide
V25ter AT Commands
HL7518 and HL7548
Reference
V.25ter
Notes
Use AT&V0 to display the current flow control setting.
Sierra Wireless recommends the use of hardware flow control.
AT&K3 hardware flow control is only effective for UART1 and +KSLEEP=2 (UART
always ON); it has no effect on the USB AT port.
<mode> is saved in non-volatile memory per AT port over module reboot.
2.20. &S Command: DSR Option
HL7518 and HL7548
Write command
Syntax
AT&S
[<override>]
Response
OK
Parameter
<override> 0 or Omitted DSR signal is always ON (0 is the default value)
1 DSR signal is always OFF
Reference
V.25ter
Notes
This is a dummy command and has no effect on the DSR signal.