1.4 Specifications
1.4.3
System Capacity
Maximum CO Line and Extension Cards
The following number of CO line and extension cards can be installed in the PBX for expansion.
Card Type
CO Line Card
Extension Card
Notes
•
For each card, the maximum number that can be installed in the PBX is listed in "1.3.1
Options".
•
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.
Maximum Terminal Equipment
The PBX supports a maximum of 28 items of terminal equipment, including 4 SLTs that are
connected by the parallel connection to APTs using the Hybrid Ports.
Notice
Devices connected to the PBX that exceed the system capacity will not function.
Terminal Equipment Type
SLT
APT
CS
PS
VPS
Doorphone
Door Opener
*1
A maximum of 4 ports (8 channels) of a single VPS can be connected to the
PBX.
24
Installation Manual
Maximum Number
2
3
Maximum Number
24
24
4
28
*1
1 System
4
4