Panasonic WV-X6533LN Important Information Manual page 21

Connection example
Before starting the installation, check the entire system configuration.
When connecting with a PC directly
<Required cable> Ethernet cable (category 5e or better, cross)
Powered speaker
Plug-in power type
microphone
PC
Ethernet cable
(category 5e or better, cross)
21
➡ 24 V AC power supply