Panasonic KX-DT521 - Installation and Setup - KX-DT590 and Headsets; KX-DT590 Connections; Headset Compatibility Notes

Connect to a PBX.
The telephone line cord
Clamp
KX-DT590
Note
R W
hen connecting a headset
The following headsets can be used with this unit. (Not all operations with the
headsets can be guaranteed.)
– Wired headsets
Panasonic KX-TCA400 or KX-TCA430
– EHS headsets (KX-DT543/KX-DT546 only)
For up-to-date information about headsets that have been tested with this unit,
please contact your dealer.
http://panasonic.net/pcc/support/pbx/
R When connecting cords
Ensure the cords are inserted in the grooves, and are clamped to prevent
damage to the connectors.
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Installation and Setup