TP-Link TL-SG5412F TL-SG5412F V1 IG 7106503848 - Page 17

Use Lightning Arrester

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L2 Managed Switch 3333Use Lightning Arrester Power lightning arrester and signal lightning arrester are used for lighting protection. Power lightning arrester is used for limiting the voltage surge due to a lightning. If an outdoor AC power cord should be directly connected to the device, please use a power lightning arrester. Note: Power lightning arrester is not provided with our product. If needed, please self purchase it. Signal lightning arrester is used to protect RJ45 ports of the device from lightning. When cabling outdoors, please install a signal lightning arrester before connecting the cable to the device. When purchasing or using a signal lightning arrester, please observe the following rules: ■■ The port rate of the signal lightning arrester should match the rate of the desired port on the device. If it is not matched, this signal lighting arrester will not work. Purchase a standard lightning arrester. ■■ Install signal lightning arrester near the protected device and connect it to the ground via a shorter ground cable. TL-SG5428 Grounding Terminal Signal Lightning Arrester Equipotential Bonding Cable Device Ethernet Cable FFFFFFFFFFFFLightning Arrester Connection Note: ■■ Signal lightning arrester is not provided with our product. If needed, please self purchase it. ■■ The SFP ports performe transmission by optical fiber which is immune to electric conduction. Therefore, 3.4 Use Lightning Arrester is not appropriate for SFP ports but only applies to RJ45 ports. Lightning Protection 12

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12
L2 Managed Switch
Use Lightning Arrester
21´
Power lightning arrester and signal lightning arrester are used for lighting protection.
Power lightning arrester is used for limiting the voltage surge due to a lightning. If an
outdoor AC power cord should be directly connected to the device, please use a power
lightning arrester.
Note:
Power lightning arrester is not provided with our product. If needed, please self
purchase it.
Signal lightning arrester is used to protect RJ45 ports of the device from lightning.
When cabling outdoors, please install a signal lightning arrester before connecting the
cable to the device.
When purchasing or using a signal lightning arrester, please observe the following
rules:
The port rate of the signal lightning arrester should match the rate of the desired port
■
on the device. If it is not matched, this signal lighting arrester will not work. Purchase
a standard lightning arrester.
Install signal lightning arrester near the protected device and connect it to the
■
ground via a shorter ground cable.
TL-SG5428
Ethernet Cable
Equipotential Bonding Cable
Grounding Terminal
Signal Lightning Arrester
Device
Lightning Arrester Connection
Figure 3-4
Note:
Signal lightning arrester is not provided with our product. If needed, please self
■
purchase it.
The SFP ports performe transmission by optical fiber which is immune to electric
■
conduction. Therefore,
3.4 Use Lightning Arrester
is not appropriate for SFP ports
but only applies to RJ45 ports.
Lightning Protection