User's Manual

Open Information
DESCRIPTION 20 ( 25 )
ERA/RGN/PD Jennie Bergström 5/1551-HRB 105 102/1 Uen
ERA/RKF/TU Carl Helander 2003-01-28 C
Prepared (also subject responsible if other) No
Approved Checked Date Rev Reference
E
Function Groups Task
Synchronization These functions provide correct data
timing, and prevent data loss due to
slip of sent and received information
through the system. The functions
also provide stable frequency
references for RF stabilization.
These functions are managed
through the Mub interface.
Synchronization frames are carried
over the Iub interface to and from
RNC.
Infrastructure These functions handle power
feeding, environmental control
and basic infrastructure software
functionality.
These functions are managed
through the Mub interface.
GUI This function group contains the GUI
functionality.
The user interface handles the GUI.
7 External Interfaces
The RBS is connected to the outside world through the Iub, Uu and Mub
interfaces. Besides these interfaces, the RBS provides a management GUI that
uses the Mub, as well as a Visual and Mechanical Interface (VMI). The VMI
comprises indicators, switches, buttons, cables, and so on. An overview of the
external interfaces is given in figure 5.