User Manual

Chapter 2 l Planning
Requirements
2-2 910136 Rev01.00 Standard July 2007
Ground requirements
Airvana requires the installation of a primary surge protection system. Qualified
professionals must design the primary surge protection system compliant with
applicable local codes and requirements and with the TIA J-STD-607-A-Commercial
Building Grounding (Earthing) and Bonding Requirements for Telecommunications
standards.
Ground
Operators connect the site ground connector on the rear of the ipBTS to a sufficient
ground source in the primary external surge suppression system.
Environmental requirements
Table 2-2 and Table 2-3 list the ipBTS environmental requirements.
-48VDC-B Input power, -48VDC
Input power feed A
-48RTN-B Input power, -48VDC return
Input power feed B
Table 2-1. Input power interfaces (continued)
Terminals Functions
Table 2-2. ipBTS operating and storage temperature specification
Specification Value
Operating
Normal conditions: +5
°C to +40°C
Short-term conditions: -5
°C to +50°C
Storage and transportation
-40
°C to +70°C
Table 2-3. ipBTS humidity specifications
Specification Value
Operating relative humidity Normal conditions: 5 to 85 percent
Short-term conditions: 5 to 90 percent