Misc - Comtech EF Data CDM-625A Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)
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CDM-625A Advanced Satellite Modem
CDM-625A ODU (Transceiver, BUC, LNB) Operation
Selection
Fault-Logic:
Press ENTER when done.
10.3.3.3.3.1.1.4
Misc: Cold-Start=Disabled
Xref=No
Use the
◄ ►
arrow keys to select the setting to edit, and then use the
that setting:
Selection
Cold-Start
AFR
Xref
Ref-Adj
Sync-Clk
Press ENTER when done.
Setting
Summary or No-Summary. This controls whether or not an LNA Current-
Window fault activates the Summary Fault Relay, and further permits you to
select whether or not to switch the Online/Offline CSAT in the event of an LNA
Current-Window fault.
ODU: FSK-control  CSAT (2CSATs  CSAT #X) 
Configuration  Misc
Ref-Adj=087 Sync-Clk=Y ()
Setting
If enabled, when the CSAT is powered on, the IF and RF outputs remain muted for 15
minutes.
(Auto Fault Recovery) This defines how a CSAT reacts to momentary fault conditions:
Off: CSAT mutes when faulted and remain muted.
On: CSAT mutes when faulted, but unmute after the fault goes away.
(External R eference) The C SAT aut omatically locks t o an e xternal 5 or 10 M Hz
reference independent of the state of this selection. This selection determines whether
or not the Summary Fault Relay ac tivates i f t he CSAT loses lock w ith the ex ternal
reference.
Select a value for the Internal 10MHz Reference setting from 000 to 255.
NOTE: The Internal Reference is set in the factory to be very accurate with the default
setting of 087. This setting is provided to compensate for the long-term frequency drift
of the oscillator.
(Default is NO.) Selecting YES and pr essing ENTER causes t he C SAT RTC ( Real-
Time Clock) to be synchronized to the Modem RTC.
AFR=Enable
10–17
Revision 0
MN-CDM625A
arrow keys to edit
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