Panasonic KX-TD308 Installation Manual page 46

2.3.4 Telephone Connection
Parallel Telephone Connection
Method 1: Using a Modular T-Adaptor
Modular T-Adaptor
(Panasonic KX-J66 or USOC RJA2X)
4-conductor wiring cord
For a digital proprietary telephone:
Connect pins "D " and "D
1
("T" and "R" are not required.)
For an analog proprietary
telephone: Connect pins "T", "R",
"D " and "D ".
1 2
Any standard telephone can be connected in parallel with a
proprietary telephone as follows:
POWER
" only.
2
Proprietary Telephone
2-conductor wiring cord
Connect pins "T" and "R".
Standard Telephone
Installation 2-17