Product Specification for Power and Battery Cabinet
6.7
Product Requirements
6.7.1
Functional Requirements
MMI Handling
The PBC MMI functions provides the following:
•
Supervision of the Antenna alarm signals
•
Communication link between the AAU and the PBC
•
Supervision of the PBC alarm signals
•
Alarm signalling to the RBS
•
User interface for installation settings and alarm presentation
Codes on display
Display 1 (D1) shows the unit number as follows:
0 =
PBC
1 =
Antenna part 1
2 =
Antenna part 2
3 =
Antenna part 3
4 =
5 =
Feeder A
6 =
Feeder B
7 =
Installation faults
Antenna part 2 and 3 are used if the antenna consists of more than
one unit.
Display 2 (D2) shows the severity of an alarm as follows:
0 =
Not Classified
1 =
Severe
2=
Warning
The messages for the feeder values also use this element, see below.
Display 3 (D3) shows which type of error has occured or the command that
is transmitted to the AAU as follows:
0 =
AC fault
1 =
AC/DC fault
2 =
DC/DC overload
3 =
DC/DC fault
4 =
Battery fault
EN/LZT 123 2697
R5A
1998-08-13
79 (306)
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— All Rights Reserved —
