TB7100 Installation Guide Installation 9
© Tait Electronics Limited March 2006
1.4 Environmental Conditions
1.4.1 Operating Temperature Range
The operating temperature range is –30°C to +60°C (–22°F to +140°F) 
ambient temperature for the 25W base station and –30°C to +50°C (–22°F 
to +122°F) ambient temperature for the 50W and 40W base stations. 
Ambient temperature is defined as the temperature of the air at the intake to 
the cooling fans.
1.4.2 Humidity
The humidity should not exceed 95% relative humidity through the 
specified operating temperature range.
1.4.3 Dust and Dirt
For uncontrolled environments, the level of airborne particulates must not 
exceed 100µg/m
3
.
1.5 Grounding and Lightning Protection
1.5.1 Electrical Ground
A threaded grounding connector is provided on the rear of the tray for 
connection to the site ground point (for more details refer to ).
1.5.2 Lightning Ground
It is extremely important for the security of the site and its equipment that 
you take adequate precautions against lightning strike. Because it is outside 
the scope of this manual to provide comprehensive information on this 
subject, we recommend that you conform to your country's standards 
organisation or regulatory body.