TOA Electronics EX-16 manual Line and R-Line are shorted or mixed up

3. T-Line and R-Line are shorted or mixed up.

		Shorted or mixed up
(B)	T-Line	T-Line	(A)
	R-Line	R-Line
	EXCHANGE
Symptom:	3-1	A can not dial.
	3-2 Conversation is impossible between
		stations.
	3-3	When B dials A, noise will be heard at
		B immediately after the calling tone.

4.T-Line and R-Line are connected conversely.

(B) T-Line T-Line (A)

	R-Line		R-Line
	EXCHANGE		Conversed
Symptom:	4-1	A can not dial.
	4-2	Conversation is impossible between
		stations.
	4-3	When B dials A, noise will be heard at B.

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