Panasonic KX-TD816 Installation Manual page 128

3.2 ISDN Line Connection
If a KX-TD290 is to be installed (KX-TD1232 only):
a)
Prepare the required plugs. Two 4-pin plugs are included with the KX-TD290.
To the unit
To the unit
b)
Insert the plug into a jack on the unit.
Connect a grounding wire to the ground terminal on the extension expansion unit.
7.
Tie all of the cords into a bundle. If other cords are exposed in the upper cabinets, tie them
also.
8.
Close the cabinet cover and secure the outside screw.
128
RB
RA
TB
TA
To Terminal Board or Modular
Jacks from the Central Office
TB From Network
TA
2
1
From Network
RB
RA
8
7
6
RB
RA
5
4
3
2
TB
TA
1
View of TEL Jack
ISDN Installation