User's Manual

Installing the booster antenna

Routing and grounding the exterior cables

Grounding the booster antenna to the central building ground helps protect it

and the SOMAport from lightning damage.

The booster antenna must be grounded in accordance with Section 810 of the

NEC, Section 10 of the CEC, or the electrical code of the country in which you

are installing the booster antenna. The following diagram depicts the grounding

requirements.

INSERT DIAGRAM showing NEC grounding requirements

Burying the cable

Depending on the location of the booster antenna and the grounding block, you

may choose to route the coaxial cable between them underground.

When normal coaxial cable is buried, its outer cover decays in the soil, and the

cable’s life is shortened. Cables that are suitable for burial have a special outer

cover that resists breakdown. Some of these cables also have a special coating on

their ground shields. This coating resists corrosion if water gets into the cable. If

you choose to bury the coaxial cable, use appropriate cable. Doing so will help

prevent problems.

Protecting the cable from damage

If you are routing the wire or cable above the ground, use cable clips to secure it

to a wall or surface. Make sure you route the grounding wire in an area where

people or animals are not likely to come in contact with the cable.

Prevent moisture penetration by using weatherproof connectors, or by sealing

any connection that is exposed to the elements. Drip loops provide additional

protection by preventing moisture from traveling down the cable and entering

the connection.

CAUTION:

It is extremely important to ground the booster antenna

and the coaxial cable to a single point in the central building ground. A

nearby lightning strike can easily damage an ungrounded antenna, the

SOMAport, and any attached equipment. Connecting both wires to the

same point in the central building ground meets code requirements and

provides the best protection for your equipment.