5.1.2 Connection
5.1.2 Connection
Can you dial
an extension?
Yes
(Continued on the next page.)
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Installation Manual
Connection between the PBX and a PT:
No
The T/R is connected to the D1/D2.
D1
T
R
D2
PBX
Connection between the PBX and an SLT:
The T/R is connected to the D1/D2.
D1
T
R
D2
PBX
Connection between the PBX and an SLT that is polarity-sensitive:
The "T" is connected to the "R".
D1
T
R
D2
PBX
CAUSE
D1
T
R
D2
Extension
CAUSE
T
R
Extension
CAUSE
T
R
Extension
SOLUTION
Use the correct cord (the
inner 2 wires are for T/R and
the outer 2 wires are for
D1/D2).
SOLUTION
Use the correct cord (the
inner 2 wires are for T/R).
•
If a telephone equipped
with an A-A1 relay is
connected to the PBX,
set the A-A1 relay switch
of the telephone to
"OFF".
SOLUTION
Reverse the connections of
the T/R.