Panasonic KX-NS500 - Page 86

KX-NS520 (Type-B)
Front Back/Inside
C D K L MJ N
E FGBA H I
A. STATUS Indicator
B. EXP-S Port
C. PFT Port
D. SLT Slot
E. Trunk/Doorphone Free Slot
F. Extension Free Slot
G. Top Cover
H. Sub Board
I. Main Board
J. FG Terminal
K. AC Inlet
L. External Battery
M. Power Switch
N. FAN
86 Installation Manual
4.2.2 Names and Locations