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OVERVIEW
12 User Manual
1.1 Capacity
The KX-TD500 system can consist of one, two, or three shelves (Basic and Expansion 1/2). Each
shelf contains its own power supply. [Building Block System]
Basic System
Basic System consists of one Shelf called Basic Shelf.
You can connect up to 192 lines (including Extensions and CO lines) to the Basic System.
3-Shelf System
The KX-TD500 system's capacity can be expanded by installing up to two Expansion Shelves on the
Basic Shelf. Fully expanded system (Basic Shelf + Expansion Shelf 1 + Expansion Shelf 2) is called
"3-Shelf System."
You can connect up to 512 lines (including Extensions and CO lines) to the 3-Shelf System.
P
O
W
E
R
O
N
1
F
U
S
E
O
F
F
D
IG
IT
AL
S
U
P
E
R
H
Y
BR
ID
S
Y
S
T
EM
RU
N
O
F
F
L
IN
E
A
L
A
R
M
D
IG
IT
A
L
S
U
P
E
R
H
Y
B
R
I
D
S
Y
S
T
E
M
R
U
N
O
F
F
LI
N
E
A
L
A
R
M
Basic System 3-Shelf System