Panasonic KX-TVM50 Installation Manual page 34

2.1 Before Installation
Necessary Tools (not supplied)
Twisted pair 4-conductor cables are needed for connecting the VPS to the PBX. For the KX-TVM50,
twisted pair 2-conductor cables are needed if using Inband or None Integration.
A USB cable is needed when connecting the VPS to the PC that will used for programming via the
KX-TVM Maintenance Console.
34 Installation Manual