Maxon Telecom Understanding Qualcomm Commands and $QCTER for Enhanced Modem Performance

Qualcomm commands

Table 43. Qualcomm command

COMMAND		Description		Operation		Support
$QCCLR		clear mobile error log		Clears the mobile error log		Supported
				Returns OK and then transitions the
				mobile’s serial port to DM mode; DM
$QCDMG		transition to diagnostics		mode runs at rate set by $QCDMR		Supported
		monitor operation		command and uses a proprietary
				halfduplex protocol; default DM rate
				fixed at 115200 bps
				Changes DM rate that will be used on
				mobile’s serial port when mobile’s
				serial port transitions to DM mode; DM
$QCDMR=				mode is entered after $QCDMG
		set DM baud rate		command is issued; default DM rate is		Supported
<rate>				fixed at 115200 bps; test command,
				i.e., $QCDMR=?, returns rates
				supported and query command, i.e.,
				$QCDMR?, returns current
				Rate
		dump configuration		Dumps the status of all AT parameters
&V				applicable to current operating mode,		Supported
		parameters		including the single-letter parameters
				not otherwise readable
		Circuit 109 (carrier		Setting “winks” (briefly transitions off,
		detect pin) behavior -
&C2				then back on) the Rm port Carrier		Supported
		wink
				Detect pin when Data calls end
				Sets TE-DCE rate at which DCE will
		Set TE-DCE baud rate		accept commands; this data rate also
				becomes the default and is stored in
$QCTER=		Baud rates supported		NV RAM, changing the +IPR		Supported
		are identical to +IPR		command default rate; test command,
<rate>
		command.		i.e., $QCTER=?, returns rates
				supported and query command, i.e.,
				$QCTER?, returns rate last issued by
				$QCTER command or default rate
				Sets the default primary IP address
				used for Domain Name Services;
$ $QCDNSP=		set primary DNS IP address		used only if no DNS server address is		Supported
<address>				received over the air during PDP
				context activation; value is stored in
				NVRAM.
				Sets the default secondary IP address
$QCDNSS=				used for Domain Name Services;
		Set secondary DNS IP		used only if no DNS server address is		Supported
<address>		address		received over the air during PDP
				context activation; value is stored in
				NVRAM
$QCPDPP=		PDP-IP packet data calls		Defines authentication parameters on
<cid>,		<cid> – 1 to 16		a per connection basis. Value of		Supported
<auth_type>,	<auth_type>:			<auth_type> determines what
HSDPA Standard At Commands			Page 59 of 60		Version 1.2