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
Other DPT/Other DSS console 4
APT 4
IP-PT 0
SIP Extension 0
Extension Card*1 DHLC4 4
SLC8 8
SLC16 16
PT-interface CS (2-channel) (1 unit) 4
PT-interface CS (8-channel) (1 unit) 8
IP-CS (8-channel) (1 unit) 0
VPS (1 port) 1
*1 Only the extension cards that can support SLTs count for the load figures.
Notice
If the total load figure exceeds the maximum load figure of the PBX by 3, the corresponding extension card
cannot be supported by the PBX.
Calculation Example
Lines and Equipment Load Figure
Required Card
Small Free
Slot
Regular
Free Slot Virtual Slot
CO Line PRI 1 line (23ch) – PRI23 – –
Analog CO
line 4 lines – LCOT4 – –
SIP CO line 4 lines – – – V-SIPGW16
H.323 CO
line 4 lines – – – V-IPGW16
Document Version 2011-10 Installation Manual 35
1.3.3 System Capacity