PMP Synchronization Solutions User Guide
Installing a CMM4
PMP-0297 007v001 (January, 2017)
3-48
Installing a CMM4
Ensure that you comply with standard local or national electrical and climbing procedures when
you install the CMM4.
WARNING!
Installing a CMM involves electrical power and can involve height and
exposure to RF (Radio Frequency) energy. To avoid personal injury, know and
follow applicable national and local safety regulations and industry best
practices, and follow the specific guidelines in this document
Avoiding hazards
Use simple precautions to protect staff and equipment. Hazards include exposure to RF waves,
lightning strikes, power lines, and power surges. This section specifically recommends actions to
abate these hazards.
Grounding Equipment
Effective lightning protection diverts lightning current safely to ground, Protective Earth (PE) . It
neither attracts nor prevents lightning strikes.
Grounding Infrastructure Equipment
To protect both your staff and your infrastructure equipment, implement lightning protection as
follows:
Observe all local and national codes that apply to grounding for lightning protection.
Before you install your modules, perform the following steps:
•
Engage a grounding professional if you have any questions on grounding.
•
Install lightning arrestors to transport lightning strikes away from equipment. For example,
install a lightning rod on a tower leg other than the leg to which you mount your module.
•
Connect your lightning rod to ground.
•
Plan to use an appropriate surge suppressor on any Ethernet cable at the point where it enters
any building or structure.
Install your modules at least 2 feet (0.6 meters) below the tallest point on the tower, pole, or roof.