Connection - Panasonic KX-TES824 Installation Manual

4.1.2

Connection

No
Can you dial
an extension?
Yes
Can you dial
No
out using an
outside (CO)
line?
Telephone cord connecting the PBX and a proprietary telephone (PT):
CAUSE
The T/R pins are connected to the H/L
pins.
H
T
R
L
PBX
Telephone cord connecting the PBX and a single line telephone (SLT):
CAUSE
The T/R pins are connected to the H/L
pins.
H
T
R
L
PBX
Telephone cord connecting the PBX and an SLT that is polarity-sensitive:
CAUSE
The T and R pins are crossed over.
H
T
R
L
PBX
Telephone cord connecting an outside (CO) line and the PBX:
CAUSE
The outside (CO) line(s) is
connected to the H/L pins.
Outside (CO) line
Use the correct cord (the
inner 2 wires are for T/R and
the outer 2 wires are for H/L).
H
T
R
L
Extension
Use the correct cord (the
inner 2 wires are for T/R).
T
R
Extension
Reverse the connections of
the T/R pins.
T
R
Extension
Reconnect the outside
(CO) line(s) to the T/R pins
of the telephone jack using
2-conductor wiring.
T
R
PBX
4.1 Troubleshooting
SOLUTION
SOLUTION
SOLUTION
SOLUTION
Installation Manual 83