2.3 Frame Earth Connection
KX-NS500/KX-NS520
1. Loosen the screw.
2. Insert an earthing wire (user
-supplied).
3. Tighten the screw.
4. Connect the earthing wire to earth.
To earth
Screw
Earthing wire
WARNING
• Proper earthing (connection to earth) is very important to reduce the risk to the user of
electrocution or to protect the PBX from the bad effects of external noise in the case of a
lightning strike.
• The
earthing wire of the AC cable has an effect against external noise and lightning strikes, but
it may not be enough to protect the PBX and to ensure electromagnetic compatibility. A
permanent connection between earth and the earth terminal of the PBX must be made.
CAUTION
For earthing wire, green
-and-yellow insulation is required, and the cross-sectional area of the conductor
must be more than 0.75 mm
2
or 18 AWG.
Notice
Be sure to comply with applicable local regulations (e.g., laws, guidelines).
2.4 LAN Connection
2.4.1 LAN Connection for the Main Unit
Connecting the Main Unit to the LAN
When the PBX is connected to the LAN for the first time, you must assign IP addressing information to the
PBX. Refer to "4.1 Programming the PBX" for instructions.
Note
Make sure to set the port of the switching hub that connects to the PBX to operate under "Auto
Negotiation
" mode.
Connecting the PBX to a Switching Hub
1. Connect the cable to the LAN port of the PBX.
14 Getting Started
2.4.1 LAN Connection for the Main Unit
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