Panasonic KX-NS500 - Basic System Construction; System Configurations

2.1 Basic System Construction
2.1.1 System Configurations
Main Unit
The main unit contains a mother board for controlling PBX functions.
Stacking Expansion Unit KX-NS520
Up
to
3 Expansion Unit KX-NS520s can be connected to a KX-NS500 to expand the usage of legacy terminals
and trunks. A KX-NS520 connected to a KX-NS500 functions as a expansion unit and will be controlled by the
KX-NS500.
To connect a KX-NS520 as an expansion unit, install a EXP-M card in the KX-NS500. Then, connect the
EXP-M card and the EXP-S which is in KX-NS520 directly with Category 5 cable.
For details about connecting KX-NS500 and expansion unit KX-NS520, see "4.6.1 EXP-M Card
(KX-NS5130)".
Example:
EXP-M
EXP-S
Expansion Unit *
2
Expansion Unit *
2
EXP-S
Expansion Unit *
2
EXP-S
Main Unit *
1
*1
KX-NS500
*2
KX-NS520
One-Look Network with NS-Net
*1
Multiple
KX-NS series PBXs can be connected as a distributed networked system using a private IP network.
30 Installation Manual
2.1.1 System Configurations