Appendix
MP1900X Series Router Installation Manual
D-4
copyright2019 Maipu, all rights reserved
No. Description
6
The length of the protection ground wire should not exceed 45 m, but should
be as short as possible. When exceeding 45m, it is required that the
consumer re-sets the ground bar nearby.
D2 Router Protection
This section mainly describes the precautions for the lightning protection of the router
during installation.
D2.1 General Requirement of Lightning Protection Wires
The router cables can be divided to indoor cables and outdoor cables according to the
location of connecting the terminal. They have different requirements for the wiring in
the lightning protection design.
Communication connection cable should be routed indoors, which can effectively
reduce the damage rate of the induction lightning of the router. The Ethernet cable
is the interconnection line of the indoor signal and should not be led aerially
outdoors.
The general requirements for the wiring of the indoor cables:
The cable installation is required to be routed by category, avoiding that the cables
of different categories are bundled together.
It is recommended that the cable is bundled with one cable clip every 100 mm, to
organize and fix the cables.
The ground wire should be as short and thick as possible. The connection of the
ground wire and grounding bar needs to use the screw to tighten or welding and
preservative treatment.
The general requirements for the wiring of the outdoor cables:
If the actual conditions cannot meet the indoor wiring, the outdoor cables should
be laid and buried (introduced to the indoor from the underground).
If you cannot lay and bury all outdoor cables, the aerial cables should be dressed
with the metal pipes 15m before entering the indoor. The two sides of the metal
pipe are grounded and we should install the signal arrester at the corresponding
interface of the router after the cable enters the indoor.
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