Trouble on One Voice Terminal
Step 2.
On both voice terminals, perform the action that revealed the trouble.
IF
THEN
The trouble appears on the voice
Trouble found.
It is caused by
terminal on which it first appeared,
wiring
between the voice terminal
and the control unit. Replace the
plugs as they were.
Go to “Test C: Voice Terminal
Cords and Cable Test.”
The trouble appears on the other The trouble is caused by the control
voice terminal,
unit or the expansion module
inserted in the control unit. Replace
the plugs as they were.
Go to “Test D: 2-Line/5-Terminal
Expansion Module Test.”
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