Climate Protection - Ericsson CME 20 R6.1 Reference Manual

31

Climate Protection

The "Climate Protection" function:
•
•
The external temperature range for each RBS type is product-specific.
To get a complete picture of the climate protection system's capacity,
this document should be read in conjunction with the relevant product
specification.
The Climate Protection of an RBS can be maintained with one or a
combination of the functions described in this chapter.
31.1 Concepts
External
Internal
Normal range
Safe range
Normal operation
Specified external Normal Condition range
Normal Condition, safe function and non-destruction
User
EN/LZT 123 2697 R5A
1998-08-13
Supervises and maintains the internal temperature within allowed
ranges for the units in the RBS
Controls the connection and disconnection of power, at start (or
restart) of the RBS and at extreme internal temperature.
© Ericsson Radio Systems AB
— All Rights Reserved —
Outside the RBS cabinet.
Inside the RBS cabinet.
Is internal temperature within +5

+70 C.
Is internal temperature range which
guarantees full function of the most
temperature sensitive internal equipment.
Is internal temperature range which is 5

to 10 C within safe range in both high and
low limits.
Are stated in relevant product chapter.
Are defined within the context of
Environmental Capability.
In this chapter, any unit that needs power
from the RBS power system in order to
function.
Climate Protection

C to

C
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