TOA Electronics EX-16 manual Fault in Cable

5.3	Fault in Cable
1.	One of transmitting lines		(T-Line) is disconnected
					Disconnected
Station (B)		T-Line		T-Line	Station (A)
		R-Line		R-Line
			EXCHANGE		Connector
					numbers
	Symptom:		1-1	A can dial.
			1-2 A can hear B.
			1-3	B can not hear A.
			1-4 Noise is heard at B.
			1-5	Noise increases at B when Press-To-Talk
				bar is pressed at A.
2.	One of receiving lines (R-Line) is disconnected.

(B)

T-Line

R-Line

Symptom:

	T-Line	(A)
	R-Line
	Disconnected
EXCHANGE
2-1	A can dial without dialing tone.
2-2	When B dials A, busy tone or dial tone
	will be heard at B immediately after the
	calling tone.

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