System Expansion - Panasonic KX-TD500 Installation Manual

1.2.2 System Expansion

Building Block System
The KX-TD500 system can consist of one, two, or three shelves (Basic and Expansion 1,2).
Each shelf contains its own power supply.
Expansion Shelf
An optional Expansion Shelf consists of its own power supply and 14 Free Slots for mounting
any optional cards. It can be equipped with up to 222 lines (including Extensions and CO
lines).
Construction of Expansion Shelf (1 and 2)
System Outline
P F F F F F
O S S S S S
W 1 2 3 4 5
E
R
1.2 System Construction
F F F F F F F
S S S S S S S
6 7 8 9 10 11 12 13
F F
S S
14
17