Exchange

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

Shorted or mixed up

	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.
LMU Lamps	Brighter	than normal.

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

Sympton: 4-1

4-2

4-3

A can not make dialing.

Conversation is impossible between stations. When B dials A , noise will be heard at B .

Brighter than normal.

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