AT&T 518-600-016 manual Faulty Merlin II system

Possible Cause	Possible Solution	To Investigate Further
4. Faulty MERLIN II system	Try to place an outside call	If the trouble appears only on
components.	and an intercom call from	intercom calls or the trouble
	several voice terminals.	appears only on one voice
		terminal, the trouble is
		caused by a component in
		your system. Go to the
		symptom “Lights, Speaker,
		Ringing Problems.”
		If the trouble appears only on
		outside calls from some or all
		voice terminals, go to
		Possible Cause 5.
5. Faulty telephone company	Step 1. Go to the control unit	If the trouble appears on the
wiring.	and find the network	basic telephone and the
	interface associated with the	network interface uses a line
	outside line from which you	adapter, go to Possible Cause
	cannot make a call. Unplug	6 .
	the line cord from the	If the trouble doesn’t appear,
	network interface and, in its
		the problem is in the control
	place plug in a basic
		unit or the wiring. Go to
	Touch-Tone or rotary
		Step 2.
	telephone. (Do not use a
	MERLIN II system voice
	terminal.) Try to place an
	outside call from the
	telephone.
	If the trouble appears on the
	basic telephone and the
	network interface does not
	have a line adapter, the
	outside line is faulty. Report
	the trouble to the local
	telephone company
	representative.
	(continued)

4-32 Procedures for Specific Symptoms