User's Manual

 MacroMAXe Installation Guide 

Page 11 Commercial in Confidence UGD-D00181 Rev E
Locate the serial number of the terminal, antenna, and transceiver and record these on your
registration card for future reference. Use the space below to affix serial number stickers.
Also record the MAC address, located on the back of the terminal.
UL Information
- The equipment must be properly grounded according with NEC and other local safety code
requirements.
- Reminder to all the BWA system installers: Attention to Section 820-40 of the NEC which provides
guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected
to the grounding system of the building, as close to the point of cable entry as is practical.
Lightning Protection
WARNING: The following notes are general recommendations for the system. The wireless
equipment should be installed by a qualified professional installer and must follow local and national
codes for electrical grounding and safety. Failure to meet safety requirements and/or use of non-
standard practices and procedures could result in personal injury and damage to equipment. A direct
lightning strike may cause serious damage even if these guidelines are followed.
All outdoor wireless equipment is susceptible to lightning damage from a direct hit or induced current
from a near strike. Lightning protection and grounding practices in local and national electrical codes
serve to minimize equipment damage, service outages, and serious injury. Reasons for lightning
damage are summarized as:
- Poorly grounded tower/antenna sites that can conduct high lightning strike energy into equipment.
- Lack of properly installed lightning protection equipment that can cause equipment failures from
lightning induced currents.
A lighting protection system provides a means by which the energy may enter earth without passing
through and damaging parts of a structure. A lightning protection system does not prevent lightning
from striking; it provides a means for controlling it and preventing damage by providing a low
resistance path for the discharge of energy to travel safely to ground. Improperly grounded
connections are also a source of noise that can cause sensitive equipment to malfunction.
A good tower grounding system disperses most of the surge energy from a tower strike away from the
building and equipment. The remaining energy on the RF cable shield and center conductor can be
directed safely to ground by using a lightning arrestor in series with the RF cable.
To limit the equipment damage due to a lightning strike, the following practices are recommended for
the wireless system:
- Provide direct grounding from the antenna mounting bracket, the radio and antenna and the
lightning arrestors to the same ground point at the base of the tower or a ground bus on the building.
Use the grounding screws on the antenna bracket and the radio and antenna for terminating the
ground wires. “Norway and Sweden: Grounding for unit considered on additional earth, not earth of
buildings”.
- Install one RF lightning protector between the radio and antenna in series with the RF cable.
- A lightning arrestor in series with the RF cable at the point of entry to the building.
- Laser Class I product use. Internal lasers comply with standards IEC 60 825-1, IEC 60 825-2, 21
CFR 1040.10, and CDRH.
- Install a lightning arrestor in series with the IF cable at the transceiver on the tower/mast.