Motorola 3460 manual Call Establishment

3460 Fast’R

Table 5-1. Troubleshooting the 3460 Fast’R Modem

Problem	Diagnosis/Test	Possible Solution
CALL ESTABLISHMENT
Modem won’t	Check cabling.
answer
	Check parameters:	Ensure that Answer is not set to
	• Answer (ATS)	Manual (S0=0).
	• DTR (AT&D)	Set DTR=High (AT&D0), if
		DTR is not supplied by the
		computer.
	Check the modem's	Ensure Line=Dial (AT&L0).
	Line option (AT&L).
	Check that the TR LED	If the TR LED is not steadily lit,
	is on (steady).	ensure the computer is
		supplying DTR.
	Check that the RI/OH	Ensure that the remote modem
	LED is on when ring is	is dialing the correct phone
	present on the line.	number.
Modem won’t	If using DTR dialing,	Ensure default dial option is a
dial	check:	valid phone number.
	• Default dial option	Ensure that a number is stored.
	(AT*DA)	Ensure DTR=108.1 (AT&D5)
	• Phone number at	or Tail (AT&D4).
	stored location	Ensure the computer is
	• DTR option (AT&D)	supplying DTR.
	Check the dialing	If the modem is dialing out of a
	environment.	PBX, the modem may not
		recognize the non-standard dial
		tone. Set Blind Dial=On
		(ATS6).

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