System Capacity; Number Of Free Slots; Maximum Trunk And Extension - Panasonic KX-TDA600 Installation Manual

1.4.3 System Capacity

1.4.3 System Capacity

Number of Free Slots

The PBX supports the following number of free slots for optional service cards.
Basic System
10

Maximum Trunk and Extension

The PBX supports the following number of trunks and extensions.
Type
Trunk
Extension
The maximum number of PTs in the whole system is limited to 640.
*1
Maximum Optional Service Cards
There are 2 types of optional service cards for installation:
•
Cards installed in the slots of the PBX
•
Cards mounted on other optional service cards
Note
•
Any card that exceeds the capacity of the PBX will be ignored.
•
When the PBX starts up with an invalid configuration, some cards will be ignored.
36 Installation Manual
2-shelf System
21
Basic System
PT
SLT
PT + SLT
3-shelf System
2-shelf
System
160 320
256 512
240 480
304 608
4-shelf System
32
3-shelf
System
480
640
*1
720
880
43
4-shelf
System
640
640
*1
960
1120