TP-Link CPE220 CPE520 V1.1 Installation Guide - Page 9
Lightning & ESD Protection
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3. Lightning & ESD Protection Proper grounding is extremely important for outdoor devices. By using shielded CAT5e (or above) cable with ground wire for the connection and the provided PoE adapter (method 1 ), you can effectively eliminate ESD attacks. If you use the general CAT5e cable for the connection, then it is necessary to connect the grounding terminal of the CPE to earth ground through grounding cable (method 2 ). Two Methods: 1 Shielded CAT5e (or above) Cable with Ground Wire 2 Grounding Terminal and Cable Grounding Terminal CPE Grounding Cable Grounded 3-wire Power Outlet Shielded CAT5e (or above) 1 1 2 Cable with Ground Wire 1 PoE Adapter with Earth Ground Earth Ground 06
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06
3. Lightning & ESD Protection
Proper grounding is extremely important for outdoor devices.
By using shielded CAT5e (or above) cable with ground wire for the
connection and the provided PoE adapter (method
1
), you can
effectively eliminate ESD attacks. If you use the general CAT5e cable for
the connection, then it is necessary to connect the grounding terminal
of the CPE to earth ground through grounding cable (method
2
).
CPE
Grounding
Terminal
Earth Ground
Two Methods:
2
2
1
1
1
1
PoE Adapter with
Earth Ground
Grounding
Cable
Shielded CAT5e (or above) Cable
with Ground Wire
Grounding Terminal and Cable
Shielded CAT5e (or above)
Cable with Ground Wire
Grounded 3-wire
Power Outlet