Panasonic KX-TD500 User Manual page 15

1.3 Adding Another Telephone in Parallel
Method 2
4-conductor wiring cord
Connect pins "T", "R", "D1" and "D2".
Single Line Telephone
14
2-conductor wiring cord
Connect pins "T" and "R".
Digital Proprietary Telephone
DIG
ITA L SUP
ER
HYB RID
SYS
TEM
RUN OFF
LIN
E
ALA RM
<Back of the KX-T7400 Series DPTs>
<Back of the KX-T7200 Series DPTs>
To system
To single line
telephone
To single line
telephone
LCD ADJ
PUSH
TO EMSS
TO TEL
To system
Figure 5:
OVERVIEW