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CDM-625A Advanced Satellite Modem
Front Panel Operation
6.2.8.3
FAST: CnC
FractionalCnC:1-YearCounter=00000000 sec
Fractional CnC is common in 1:1 or 1:N redundancy systems where the primary modem has a
full CnC license, and the backup modem(s) has a Fractional CnC license. A Fractional CnC license
allows 90 full calendar days of CnC usage in one calendar year. This lowers the cost of the
modem but does not allow for constant, round-the-clock operation.
When you order Fractional CnC Mode, this screen displays the number of seconds remaining for
both the 1-year (top line) and 90-day (bottom line) activation timers.
When the counters expire, you will see the following message:
Fractional CnC is not installed.
As per the previous screen examples, if you do not install Fractional CnC in the CDM-625A, the
modem displays a message reflecting this state and provides "time remaining" and "time
remaining refill" timers; when you install a Full CnC license, the screen displays no timers.
Note that:
•
1-YearCounter – This is the calendar year counter, in seconds, that resets the 90-Day
Counter to 90 full days of CnC usage when it reaches 00000000. This counter continually
decrements and accounts for time even when you power OFF the modem. Once this timer
fully decrements, the 1-YearCounter resets to 31536000 once again and immediately begins
to decrement.
The 1-Year Counter cannot be reset or refilled in the field. Once the timer has
run out, your only options are to:
1) Upgrade the modem to a full license.
2) Wait until "1-YearCounter" reaches 00000000.
Using Fractional CnC is not a normative mode of operation. To best inform you
that your modem is running Fractional CnC (i.e., the "1-YearCounter" counter is
actively decrementing), your modem does the following:
o The front panel RED Unit Status LED will blink on and off.
o The modem generates an Event in the Event Log every 12 hours that
90-DayCounter= 0000000 sec
indicates Fractional CnC is running.
6–104
MN-CDM625A
Revision 4
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