Panasonic KX-TG1711MEB Service Manual page 24

3.6.1.2. Bottom View
L1R
L1T
for JIG
KX-TG1711 CIRCUIT BOARD (Base Unit_Main (Bottom View))
24
VDD
+2.65V DC
Charge -
Charge +
P1.0 CLK
10.368MHz
Line DC
0V: ON-Hook
+9.8V: Off-Hook