User's Manual

7
4. Lightning & ESD Protection
Proper grounding is extremely important for outdoor devices. Pharos
CPEs provide two methods to protect the devices from damage of
lightning and ESD attacks as shown in the figure below.
Shielded CAT5e Cable with
Ground Wire & PoE Adapter
with Earth Ground
Grounding Terminal and Cable
CPE
Shielded CAT5e Cable
with Ground Wire
PoE Adapter
with Earth
Ground
Grounding
Terminal
Grounding
Cable
Earth Ground
Two Methods:
2
2
1
1
1
1
In most cases, adopting either of the two methods can be adequate, but
adopting both of them can offer more effective protection.