HP V300 manual Problem Possible Cause Solution

Solving Modem Problems Continued

Problem	Possible Cause	Solution
Modem does not	Another device on	Hang up an extension
connect	your telephone line	telephone and
	may be causing	disconnect any other
	interference.	devices that may be
		using the same
		telephone line, then
		redial.
	The telephone line	The 56K protocol
	does not support 56K	requires that the
	implementation.	telephone line contain no
		more than one analog-to-
		digital conversion.
		Try connecting from an
		alternate site.
	There is noise on the	Use another telephone
	telephone line.	line.
	The 56K protocol of	Change the Hang-up
	an internal modem will	Delay S Register: At the
	fall back to lower	command line in terminal
	speeds if the	mode, type ATS10=150,
	telephone line is too	then press Enter.
	noisy for a high-speed	NOTE: This command
	connection.	causes the modem to
		take longer to disconnect
		even if there is no noise
		on the line.
Fax transmissions	Another	Close the other
do not work	communications	communications
	software application is	application.
	open.
	Modem is receiving	Connect the computer to
	inadequate power.	external power
		or
		If the computer must run
		from a battery pack,
		■	Make sure the
			battery pack is fully
			charged.
		■	Clear all power
			conservation
			selections.	Continued

16-16 Troubleshooting