User Manual

Installation Requirements and Recommendations
Chapter 3
Installing and Connecting an MP-620 Access Point
17
● Lightning — The MP-620 includes its own built-in lightning protection.
However, you should make sure that the unit, any supporting structure, and
cables are all properly grounded. Additional protection using lightning rods,
lightning arrestors, or surge suppressors may also be employed.
● Rain — The MP-620 is weatherproofed against rain. Also, prolonged heavy
rain has no significant effect on the radio signal. However, it is recommended
to apply weatherproof sealing tape around the Ethernet port and antenna
connectors for extra protection. If moisture enters a connector, it may cause a
degradation in performance.
● Snow and Ice — Falling snow, like rain, has no significant effect on the radio
signal. However, a build up of snow or ice on antennas may cause a
degradation in performance. In this case, the snow or ice has to be cleared
from the antennas to restore proper operation of the unit.
Ethernet Cabling
When you have determined a suitable location for the MP-620, you must plan a
cable route from the MP-620 outdoors to the power injector module indoors.
Consider these points:
● The Ethernet cable length should never be longer than 100 m (328 ft)
● Determine a building entry point for the cable
● Determine if conduits, bracing, or other structures are required for safety or
protection of the cable
● For lightning protection at the power injector end of the cable, consider using
a lightning arrestor immediately before the cable enters the building
Grounding
It is important that the MP-620 unit, cables, lightning protectors, and any
supporting structures are properly grounded. The MP-620 unit includes a
grounding screw for attaching a ground wire. Be sure that grounding is available
and that it meets local and national electrical codes.