7.1.2 Connection
Connection between the trunk and the PBX:
CAUSE
Trunk is connected to the T2/T1.
SOLUTION
Reconnect the trunk to the
T1/R1 or T2/R2 of the
telephone jack using 2-
conductor wiring.
T2
R1
T1
R2
Trunk
PBX
Trunk is connected to the T2/R1.
PBX
Trunk
T2
R1
T1
R2
No
Can you dial
out on a
trunk?
No
Can you dial
an extension?
Connection between the PBX and an SLT that is polarity-sensitive:
PBX
CAUSE
The "T" is connected to the "R".
SOLUTION
T
R
T
R
Extension
Reverse the connections of
the T/R.
Yes
Connection between the PBX and an SLT:
CAUSE
SOLUTION
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".
Use the correct cord (the
inner 2 wires are for T/R).
PBX
The T/R is connected to the D1/D2.
T
R
T
R
Extension
Installation Manual
291
7.1.2 Connection
Summary of Contents for KX-NS500
Page 16: ...16 Installation Manual Table of Contents ...
Page 28: ...28 Installation Manual 1 4 Data Security ...
Page 58: ...58 Installation Manual 2 3 3 System Capacity ...
Page 78: ...78 Installation Manual 3 1 3 Using CTI Applications ...
Page 114: ...4 Hook the main unit on the screw heads 114 Installation Manual 4 2 10 Wall Mounting ...
Page 286: ...286 Installation Manual 6 1 Methods of Stacking Expansion Units ...
Page 300: ...300 Installation Manual 7 1 6 Troubleshooting by Error Log ...
Page 332: ...332 Installation Manual 8 6 Port Security ...
Page 337: ...Installation Manual 337 Notes ...