H3c-technologies H3C SecPath F5000-A5 Firewall User Manual download pdf (Page 100)

Item Descri

tion

Maximum transmission

distance

0.55 km

(0.34 miles)

10 km (6.21

miles)

40 km (24.86

miles)

40 km (24.86

miles)

70 km (43.50

miles)

Lightning protector for a network port (optional)

If part of the network cable of a network port must be routed outdoors, connect a lightning protector to

the cable before you plug the cable into the port.

The specifications for the lightning protector for a network port are as follows: 1000 M port protective

unit–single port, maximum discharge current (8/20s waveform): 3 kA, output voltage: core-core < 15

V, core-ground < 350 V.

For how to install a lightning protector for a network port, see "Installing a lightning protector for a

net

work port."

Power strip with lightning protection (optional)

If part of the AC power line is routed outdoors, use a power strip with lightning protection to connect the

AC power cord of the firewall to the AC power line to protect the firewall from being damaged by

lightning strikes.

The specifications for the power strip with lightning protection are as follows: Maximum discharge current:

6500 A, protection voltage: 220 VAC to 500 VAC.

For how to connect the AC power supply to a power strip with lightning protection, see "Connecting the

C power supply to a power strip with lightning protection."

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H3c-technologies H3C SecPath F5000-A5 Firewall User Manual Page 100