user manual

Power Supply Unit Selection
The PBX needs
a power supply unit (PSU) suitable for its configuration. Calculate the load figure from the type
and number of items of equipment to be connected, and determine the type of PSU that will be required.
Load Figure Calculation
Equipment Type Load Figure
PT KX-DT300 series DPT/KX-DT300 series DSS
console/KX-T7600
series DPT/KX-T7600 series
DSS console
1
KX-T7560/KX-T7565 DPT 1
Other DPT/Other DSS console 4
APT 4
IP-PT 0
Extension Card
*1
DHLC8 8
SLC8 8
SLC16 16
CSLC16 16
MSLC16 16
CS (1 unit) 4
PT-interface CS (1 unit) 4
PT-interface CS (High-density) (1 unit) 8
ISDN Extension 2
VPS (1 port) 1
*1
Only the extension cards that can support SLTs count for the load figures.
PSU Capacity
Each PSU supports a different load figure.
PSU Type Maximum Load Figure
PSU-S
*1
64
PSU-M
*2
128
PSU-L
*3
512
*1
Available for the KX-TDA100
*2
Available for the KX-TDA100 and KX-TDA200
*3
Available for the KX-TDA200
Installation Manual 37
1.4.3 System Capacity