Comtech EF Data SLM-5650A - Manual (Page 109)

SLM-5650A Satellite Modem Revision 8
Front Panel Operation MN-SLM5650A
5–27
Setting Function
Internal Select the Internal high stability ovenized 10 MHz oscillator.
Ext-1Mhz
Select an external 1 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 1 MHz).
Ext-5Mhz
Select an external 5 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 5 MHz).
Ext-10Mhz
Select an external 10 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 10 MHz).
5.2.3.8 CONFIG: Mask
Mask: TxData RxData Eb/No Threshold
DemodFaults (E)
Use the arrow keys to select TxData, RxData, Eb/No Threshold, or DemodFaults, and
then press [ENT].
Option Settings
TxData
This alarm monitors data activity on the transmit data interface: Select Masked, Activity, or
AIS.
RxData This alarm monitors the received data activity: Select Masked, Activity, or AIS.
Eb/No
Threshold
This alarm monitors the receive Eb/No of the demodulator and compares it to the Eb/No
threshold value: Select Masked or Active.
Demod Faults This alarm will mask all demod faults and alarms: Select Masked or Active.
When selecting masked for a given alarm, if the condition occurs the alarm will not
be set. Activity or active means the alarm is enabled. AIS (Alarm Indication
Signaling) will put out all ones, allowing the connected equipment to recognize that
there is an alarm condition.
5.2.3.9 CONFIG: Reset
Are you sure that you want to default
the modem configuration? No Yes (E)
Use the arrow keys to select No to retain all current configuration settings and return to the
CONFIG: menu, and then press [ENT]. Otherwise, select Yes to immediately reboot the modem
with is factory-shipped settings.