5.4 Specifications — KX-TDA30
Maximum Trunk and VoIP Line
The Hybrid IP-PBX supports the following number of trunk lines and VoIP lines.
Maximum Terminal Equipment
The Hybrid IP-PBX supports a maximum of 24 devices; the connected devices can be a
combination of SLT, DPT, APT, CS and VPS.
Furthermore, 4 additional SLTs can be connected to PTs using the Parallelled Telephone
Features (Parallel mode or XDP mode).
Devices connected to the Hybrid IP-PBX that exceed the system capacity will not function.
You must connect an additional AC adaptor in either or both of the following conditions:
A total of more than 4 APTs and DPTs (except KX-T7600 series, KX-T7560/KX-
T7565) are connected.
More than 4 CSs are connected.
For how to connect an AC adaptor or additional AC adaptor, refer to "6.12.1 Starting the
Terminal Equipment Type
KX-T7600 series DPT
Other types of DPT and APT*
Other types of DPT
Add-on Key Module
A total of 24 DPTs, APTs, CSs and VPS can be connected to the Hybrid IP-PBX.
A maximum of 4 ports (8 channels) of a single VPS can be connected to the Hybrid IP-PBX.
Without an Additional AC
4 ports (1 VPS)
With an Additional AC
4 ports (1 VPS)*