CommScope Technologies LLC IPBTS-C30-1900 Benutzerhandbuch

Seite von 90
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 
 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