User's Manual

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106/136 3CC10875AAAA TQ BJA 02
Issue 02 -January, 10 2000
Order
number
of
stages
Designation of stages
linked to the 9000LT
Comments
reference
of screen
or
paragraph
(§4)
VI Synchronization This involves defining the priority rules for the possible
timing sources for the station.
Priority 1 of course relates to an external source, since
this allows the station to be immune to user error.
For the moment, it is not possible to select one of the
channels (1, 5, 9 or 13) of the TNT board present
since they are not yet defined. You should come back
to them once at least one has been configured.
. Operational State : the effective presence of a signal
used for synchronization is signaled by the wording
”Enabled”.
If no signal is valid, the station works off its internal
clock.
––> Confirm the modifications and quit the screen to
return to the BS supervision screen (§4.5).
NB: Note the disappearance of the alarm in the ”Current
Alarme Synthesis” table, which was due to the fault in the
definition of the order of priorities.
4.9.3
VII Configuration of ODUs
RBS parameters:
transmission power, type
and length of cable.
Characteristics:
. ID : field filled automatically with the radio link number.
. Transmission power (offset value of 0 to 10 dB; 0
defines an output power of +7dBm) :
Adjust the display value to give that required for the
link study. If no value is supplied, use by default the
value 10, which gives the greatest range.
NB : If the specified value is 0, it is recommended not to
leave it in this state, but to quit the value and return to it by
using the up and down arrows.
. Cable type : select the type of cable from the scroll
menu.
. Cable length: enter the length of the cable which
connects the ODU to the IDU.
NB: Never leave at 0, even for a tabletop bench.
––> Confirm the settings to return to the BS
supervision screen (§4.5)
NB : Note that the alarm indicator on the RBS connection
strip has changed from yellow to green, and that the number
of alarms given in the “Current Alarm Synthesis“ table has
diminished by one.
Repeat the same operations for all the ODUs.
4.5.4