Panasonic KX-NT551 Quick Reference Manual page 21

Note
R When 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-NT553/KX-NT556 only)
Selected Plantronics
For up-to-date information about headsets that have been tested with this unit,
refer to the following web sites:
http://panasonic.net/pcc/support/pbx/
When selecting Ethernet cables (not included)
R Use flexible cables without jack covers. Do not use cables with a hard coating
that may tear or crack when bent.
To prevent damage to the cables, use cables that do not protrude from the
bottom of the base.
Connect the cables as shown in the following illustration.
Incorrect
Ethernet cable
R Use a straight CAT 5e (or higher) Ethernet cable (not included) that is 6.5 mm
1
( / in) in diameter or less.
4
When connecting to a switching hub
R If PoE is available, an AC adaptor is not needed.
R KX-NT551/KX-NT553/KX-NT556 comply with the PoE Class 3 standard.
When connecting a PC
R The PC port does not support PoE for connected devices.
When connecting cables and the AC adaptor
R Ensure that the Ethernet cables and the AC adaptor cord are clamped to prevent
damage to the connectors.
®
-brand headsets
Correct
Ethernet cable
Installation and Setup
60 mm (2
or less
3
/ in)
8
21