12
Gigabit Smart Switch
Lightning Protection
ChaCter 2
Cabling Reasonably
21C
In the actual network environment, you may need cable outdoors and indoors, and
the requirements for cabling outdoors and indoors are different. A reasonable cabling
system can decrease the damage of induced lightning to devices.
Note: It's not recommended using Ethernet cables outdoors. When cabling outdoors,
please use a signal lightning arrester.
Requirements for Cabling Outdoors
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Aerial cabling without safeguard is not allowed.
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It’s not allowed cabling down the building to connect network devices in different
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floors.
Outdoor cables should be buried and paved to the indoor through basement. A
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piece of steel wire should be paved underground along the pipe and connected to
the lightning protection terminal of the building for shielding. Before connecting the
cable to the device, install a signal lightning arrester on the corresponding port.
When an aerial cable is set up, the cable should be through a metal pipe (15m long
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at least1 before coming into the building. The two ends of this metal pipe should
be grounded. Before connecting the cable to the device, install a signal lightning
arrester on the corresponding port.
It’s not necessary to pave STP cables through pipes. The shielded layer of STP cable
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should be well grounded. Before connecting the cable to the device, install a signal
lightning arrester on the corresponding port.
Lightning Protection
Содержание TL-SG2216
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