6802800U74-AN
Chapter 3: Site Preparation
• MTS 2 260 MHz and 400 MHz (without fans): 55 °C
• MTS 4 800 MHz: 55 °C
• MTS LiTE 400 MHz (with fans): 60 °C
• MTS 2 400 MHz (with fans): 60 °C
• MTS 4 260 MHz and 400 MHz: 60 °C
• MTS LiTE 800 MHz (always with fans): 60 °C
• MTS 2 800 MHz (always with fans): 60 °C
• MTS 2 900 MHz (always with fans): 60 °C
NOTICE: The low-power MTS LiTE and MTS 2 cabinet use passive convection cooling. In high
ambient temperatures or at high altitude, you can add fan modules.
Humidity Considerations
For humidity, MTS complies with ETSI norm EN300 019 13 Class 3.2.
At 30 °C, the relative humidity within the site should be between 5% and 95% non-condensing.
Operation in Corrosive Environment
Do not expose the equipment to corrosive environments. To protect the equipment from salt mist
contamination in a coastal environment, provide proper air filtration for the site.
Air Quality Considerations
For cabinet-mounted equipment operating in an area without environmental control, the airborne
particulates level must not exceed concentration defined in ETSI norm EN300 019 1-3 Class 3.
Salt mist like sea salt and road salt is excluded and shall always be avoided.
3.7
Electrical Requirements
WARNING: The DC power source providing power to the MTS must be compliant with
requirements specified for a safety extra low voltage circuit (SELV) per EN60950.
WARNING: Any device (that is power supply) providing isolation between the AC mains and the
MTS must provide reinforced insulation to hazardous voltages.
CAUTION: All electrical wiring for the MTS site must meet the requirements of all applicable
local codes and regulations.
CAUTION: The battery installation needs a short circuit protection closest to the batteries.
Install the batteries in the same building and provide proper ventilation.
3.7.1
Applicable Codes and Practices
IMPORTANT: If other codes and practices are beneficial, see your local standards.
Adhere to the following list of selected codes and practices:
• Motorola Standards and Guidelines for Communications Sites, R56 manual
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