Panasonic KX-TVA594 Installation Manual page 32

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-TVA50,
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-TVA Maintenance Console.
32 Installation Manual