Panasonic KX-TD612E Installation Manual page 37

B: To make 2 CO lines (port1) and 8 ISDN extension (port2) lines
CAUTION
Be sure to turn the power switch "OFF" before you change the jumpers.
1.
Set the jumper covers on the printed circuit board to the "EXT" position as below.
Note
a.
To use ISDN extension lines, an external or internal power supply is required. If you use an
internal power supply, set the power supply jumper cover to the "ON" position as below.
b.
To use ISDN (BRI) ports as CO line ports, set the power supply jumper cover to the "OFF"
position.
a. View of power supply jumper
ON
OFF
2.
Insert the modular plugs of the ISDN (BRI) line cords (8-conductor wiring) into the ISDN
(BRI) ports 1 and 2.
Installation Manual
1
3
For CO line use
1 1 1 1
S0
EXT
3 3 3 3
Jumper Cover
Installation
For ISDN extension line use
1 1 1
S0
EXT
3 3 3
b. View of power supply jumper
ON 1
3
OFF
1
3
37