Panasonic KX-TD500 - Configuration

1.2 System Construction
System Outline 1-7
1.2.1 System Capacity
The KX-TD500 system can be equipped with up to 512 ports, if expand-
ed to a 3-Shelf System. A Max.192 of CO lines and 448 extensions are
available and the total of them should be less than 512 ports.
Note: You cannot assign any cards which exceed the system capacity.
When the system starts up with excess cards by the automatic
configuration mode, they will be ignored.
Refer to Section 2.10.2 “CPU Rotary Switch Features” for further
information.
Port Limits of Extension/CO Lines
Maximum number of Extensions (PT/SLT) and CO lines allowable
per system/shelf is as shown below.
Note: • The number of PTs (Analog/Digital Proprietary Telephones) should be
less than 128 per shelf.
• The number of SLTs (Single Line Telephones) should be less than 160
per shelf.
Port Limits of Other Terminals
Maximum number of other terminals allowable per system is as
shown below.
Note: A DSS Console is counted as a PT extension.
Maximum Port Number
1
2
3
4
Item
PT Extension +
SLT Extension +
CO Line
PT Extension +
SLT Extension
PT Extension
CO Line
/ System
512
448
-
192
/ Basic
Shelf
192
192
128
-
/ Expansion
Shelf
224
192
128
-
1
2
Item
Doorphone
DSS Console
/ System
8
64
Maximum Port Number