Connect the cables as shown in the following illustration.
Ethernet cableEthernet cable
• For KX-UT113/KX-UT123/KX-UT133/KX-UT136: Use a straight CAT 5 (or higher) Ethernet cable
(not included) that is 6.5 mm in diameter or less.
• For KX-UT248: Use a straight CAT 5e (or higher) Ethernet cable (not included) that is 6.5 mm in
diameter or less.
When connecting to a switching hub
• If PoE is available, an AC adaptor is not needed.
• For KX-UT113/KX-UT123/KX-UT133/KX-UT136: This unit complies with the PoE Class 2 standard.
• For KX-UT248: This unit complies with the PoE Class 3 standard.
When connecting a PC
• Only a PC can be connected to the PC port. Other SIP phones, or network devices such as routers
or switching hubs, cannot be connected.
• The PC port does not support PoE for connected devices.
When connecting cables and the AC adaptor
• Ensure that the Ethernet cables and the AC adaptor cord are clamped to prevent damage to the
connectors.
When registering a Bluetooth headset (KX-UT248 only)
• One Bluetooth headset can be registered to this unit. For details, see "Registering the Bluetooth
headset (Page 78)".
Document Version 2013-03 Operating Instructions 69
Installation and Setup