![background image](http://html.mh-extra.com/html/panasonic/kx-dt521/kx-dt521_quick-reference-manual_269960019.webp)
Connections
To a handset jack
(handset)
Connect to:
a digital proprietary telephone
— Digital XDP connection
Connect to a PBX.
The telephone line cord
Clamp
Headset jack
KX-DT521
Clamp
KX-DT543/KX-DT546
Headset
EHS jack
Headset jack
Connect to:
a digital proprietary telephone
— Digital XDP connection
a single line telephone
— XDP or parallel connection
Connect to a PBX.
The telephone line cord
To a handset jack
(handset)
19
Installation and Setup