Comtech EF Data CDM-625A Installation And Operation Manual page 487

Advanced satellite modem (18 kbps – 25 mbps)

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CDM-625A Advanced Satellite Modem

CDM-625A ODU (Transceiver, BUC, LNB) Operation

Fault-Logic:

Press ENTER when done.

10.3.3.3.3.1.1.4

Misc: Cold-Start=Disabled

arrow keys to select a setting, and then use the

Press ENTER when done.

10.3.3.3.3.1.2

ODU: FSK-control  CSAT (2CSATs  CSAT #X)  Monitor

To view these read-only displays, use the

Supplies, and then press ENTER.

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 ()

If enabled, when the CSAT is powered on, the IF and RF outputs remain muted for 15

(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 Reference) The CSAT automatically locks to an external 5 or 10 MHz

reference independent of the state of this selection. This selection determines whether

or not the Summary Fault Relay activates if the CSAT loses lock with the external

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 pressing ENTER causes the CSAT RTC (Real-

Time Clock) to be synchronized to the Modem RTC.

Power-Supplies

arrow keys to select Tx, Rx, Misc, or Power-

arrow keys to change that

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