Mocomtech CIM-550 - Manual (Page 76)

CiM-550 IP Enabled Satellite Modem Rev. 2
Front Panel Menus CD/CIM550.IOM
50
4.1.7.4 SELECT\MONIT\STATS
DISPLAY SELECTIONS/DESCRIPTION
LINK STATISTICS: VIEW
CLEAR CONFIGURE (ENTER)
VIEW
CLEAR
CONFIGURE
4.1.7.4.1 SELECT\MONIT\STATS\VIEW
DISPLAY SELECTIONS/DESCRIPTION
STA198:02/11/00 10:37:32
16.0,16.0,9.0,9.0(UP/DN)
VIEW
CLEAR ALL
The user may scroll backwards or forwards through
the entries in the statistics log, using the UP/DOWN
arrow keys.
The event log can store up to 250 events.
The top line of the display indicates the log entry number, and the time and date of the
entry.
Note: In accordance with international convention, the date is shown in DAY-MONTH-YEAR
format.
The bottom line of the display shows the statistics data which has been measured and
recorded.
The meaning and format of the numbers is as follows:
Minimum Eb/No, Average Eb/No, Maximum TPLI, Average TPLI
(where TPLI means Transmit Power Level increase, if AUPC is enabled).
The user defines a measurement interval (see MONITOR, STATS, CONFIGURE) and
during this interval, Eb/No and TPLI are observed, at a one second rate. At the end of this
period, the average Eb/No is calculated and recorded, and the minimum value seen in the
interval. Similarly, the average TPLI is calculated, along with the highest value seen in
the interval.
Notes: a. If the demod has lost lock during the measurement interval, the minimum Eb/No
will show ‘LOSS’ rather than indicate a value. However, the average value (while
the demod was locked) will still be calculated and shown. If, on the other hand,
the demodulator has been unlocked for the entire measurement interval, the
average Eb/No will also show ‘LOSS’. (The display will show ‘LOSS,LOSS’.)
b. If the measured values are greater than, or equal to 16.0 dB, the display will show
16.0 dB.
c. If AUPC is not enabled, the values of maximum and average TPLI will both show
‘0.0'.