H3C Technologies H3C SecPath F5000-A5 Firewall - Manual (Page 41)

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Figure 27 Pushing the air filter along the slide rails
6. Fasten the captive screws on the rear edge of the air filter with a Phillips screwdriver.
Figure 28 Fastening the captive screws
Installing a lightning protector for a network port
The lightning protector for a network port is only applicable to a copper Ethernet port.
If part of the network cable of a copper Ethernet port must be routed outdoors, connect a lightning
protector to the cable before you plug the cable into the port.