Comtech EF Data CDM-750 Installation And Operation Manual page 141

CDM-750 Advanced High-Speed Trunking Modem
Front Panel Operation
Fractional CnC:Time Remaining cannot be reset or refilled in the field. Once the
timer has run out, your only options are to:
Using Fractional CnC is not a normative mode of operation. To best inform you
that your modem is running Fractional CnC (i.e., the "FractionalCnC:Time
Remaining" counter is actively decrementing), your modem does the following:
1) Upgrade the modem to a full license
2) Wait until "Time Remaining Refills In" reaches 00:00:00:00.
•
The RED Unit Status LED on the front panel of the modem will blink on
and off.
•
The modem generates an Event in the Event Log every 12 hours indicating
that Fractional CnC is running.
•
When connected to a 1:1 redundant switch, every 12 hours the modem
generates a phantom fault, allowing the Full License CnC modem to return
online if its fault has cleared.
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Revision 2
MN-CDM750