A30808-X3247-L14-2-7618
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Information
Base Station System
Technical Description (TED:BSS)
BS-240/241
3.1 Core (COBA and COSA)
The Core has the following tasks inside the BTSE:
– local controlling of the entire BTSE
– generating of system clocks
– providing of up to 8 Abis-interfaces to BSC or other BTSEs
– routing of Abis-data to up to 24 CUs
– providing an interface to the LMT/OMT
– handling and processing of O&M-messages
Therefore, the Core can consist of up to 2 (without redundancy) or up to 4 (with redun-
dancy) boards, which have a common backplane. The following picture gives an idea of
the slot-configurations:
Cover Parts:
CP:ACOM
CP:CU
CP:AC/DC
CP:DIAMCO
CP:COBA, COSA
CP:ACT
CP:HEX
Cover Parts have to be
inserted if the respective
active module is not
needed in a configuration
no the air flow inside the Frame or Shelter is
not affected
Battery Backup Battery systems no up to 4 Battery systems can be equipped
(only in the Service1 or Service2 Rack-
Shelters)
Fan Central Fan unit no for forced convection cooling
Heater:
HEX Single Heater
no Heater can be equipped in all typer of
Shelters
Frame Compact Rack no Base, Extension, Service1 and Service2
Shelter Shelter of the Cabinet no Base, Extension, Service1 and Service2
with HEX
Name Freq.
Var.
Remarks
Tab. 3.1 Units and Modules
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