Calculation Example; Ac Adaptor Selection - Panasonic KX-TDA50 Installation Manual

Note
Devices connected to the Hybrid IP-PBX that exceed the system capacity will not function.
MEC Card Calculation
Calculate the MEC figure from the type and total number of items of equipment to be connected. If the MEC
figure exceeds 28, you need to install an MEC card. Note that you also need to connect an additional AC
adaptor in this case.
MEC Card Calculation
PT
Pre-installed 4 Super Hybrid Ports
*1
Extension Card
CS (1 unit)
VPS (1 port)
*1
Only the extension cards that can support SLTs count for the MEC figures.

Calculation Example

Pre-installed Super Hybrid Ports
KX-T7600 series DPT
SLC4
VPS
Total
The total MEC figure is 32. As this exceeds 28, you need to install an MEC card for this configuration.

AC Adaptor Selection

You must connect an additional AC adaptor in any of the following conditions:
• A total of more than 4 APTs, DPTs (except KX-T7600 series), and DSS consoles (except KX-T7600
series) are connected.
• More than 4 CSs are connected.
• An MEC card is required to support a configuration with a total MEC figure exceeding 28.
Equipment Type
KX-T7600 series DPT/DSS console
Other DPT/DSS console
APT
SLC4
SLC8
HLC4
PLC4
PLC8
Equipment Type
4 ports
16 units
2 cards
4 ports
1.4 Specifications
MEC Figure
1
1
1
4
4
8
0
0
0
0
1
MEC Figure
4
16
8
4
32
Installation Manual 27