Panasonic HYBRID IP-PBX KX-TDA50 - Manual (Page 123)

2.9 Connection of Peripherals
Installation Manual 123
PC/CTI Server (via USB version 2.0)
The Hybrid IP-PBX is equipped with a USB interface. This interface provides communication between the
Hybrid IP-PBX and a PC or a CTI server.
The PC is used for system programming, diagnostics and external system database storage (save/load)
functions.
The CTI server is used for connecting PCs on a LAN to provide third party call control CTI. The CTI
connection uses the CSTA Phase 3 or TAPI 2.1 protocol.
Note
The operating system of the PC or CTI server required for third party call control depends on your CTI
application software. For details, refer to the manual for your CTI application software.
Pin Assignments
No. Signal Name
1 VBUS
2 USB D-
3 USB D+
4 GND
2
3
1
4