1.4 Specifications
Installation Manual 27
Load Figure Calculation (BRI Extension Port)
If the Hybrid IP-PBX has a BRI extension port, you need to calculate the total load figure from the type and
number of equipment to be connected.
If the total load figure exceeds 32, it cannot be supported by the KX-TDA15. In this case, use the KX-TDA30
with Additional AC Adaptor. If the load figure exceeds 96, use the KX-TDA100 with M-Type Power Supply
Unit (PSU-M), or the KX-TDA200 with either PSU-M or L-Type Power Supply Unit (PSU-L).
Calculation Example
Equipment Type Load Figure
PT KX-T7600 series DPT/KX-T7600 series DSS
console
0
KX-T7560/KX-T7565 DPT 0
Other DPT/Other DSS console 4
APT 4
IP-PT 0
Pre-installed 4 Super Hybrid Ports 0
Extension Card SLC8 0
CS (1 unit) 4
VPS (1 port) 0
ISDN Telephone
1
*1
*1
If the connected ISDN telephone has an external power source, its load figure is 0.
Equipment Type Load Figure
Other DPT/Other DSS console (except KX-
T7600 series, KX-T7560/KX-T7565)
4 units 16
CS 2 units 8
ISDN Telephone 1 unit 1
Total 25
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