TOA Electronics TOAEXES-5OOO manual Exchange

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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 .

LMU Lamps

Brighter than normal.

-65-

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Contents TOAEXES-5OOO Trouble Shooting Guide Start Is voltage selector set correctly? HOW to Find Short Between T-LINE and R-LINE Exchange Exchange Fault in Specific Station only Produces reverberation Speech and Function Test Use all number keys Memo Memo EX57-01R79-2