User Manual

AXELL 3604 A284 SERIES UHF REPEATER

PRODUCT DESCRIPTION AND USER’S MANUAL

4.6 Grounding

1. GND the repeater grounding bolt.

2. Ensure that good grounding protection measures are taken

to create a reliable repeater site.

3. Make sure to use adequately dimensioned grounding

cables. The minimum recommended conductive area for a

grounding cable is 16mm2.

Figure 4-9. Grounding

4.7 EMV Protection

CAUTION! If insufficient Electromagnetic Protection is provided,

or if EMV measures are not taken, warranties issued by Axell Wireless

are not valid.

The lightning hazard to electric and electronic equipment consists in the interferences of

direct lightning current infections and high surge voltages induced by the electromagnetic

field of nearby lightning channels or down conductors. Amplitudes from cloud-to-earth

lightning amounts to several 10kA and may last longer than 2(ms). The damage caused

depends on the energy involved and on the sensitivity of the electronics systems.

Ensure that lightning protection measures are taken to create a reliable repeater site.

Protect all coaxial cables and power cables from the transients caused by lightning. Fit all

cables with suitable lightning protection devices.

For detailed information please refer to IEC 61024-1 and 61312-1 for international standards

for protection of information systems against LEMP, Lightning Electromagnetic Pulse,

including radio transmitters. They define proper planning, installation and inspection of

effective lightning protection systems.