Comtech EF Data SLM-5650A Installation And Operation Manual page 109

SLM-5650A Satellite Modem
Front Panel Operation
Setting
Internal
Ext-1Mhz
Ext-5Mhz
Ext-10Mhz
5.2.3.8 CONFIG: Mask
Mask: TxData
Use the arrow keys to select TxData, RxData, Eb/No Threshold, or DemodFaults, and
then press [ENT].
Option
TxData
RxData
Eb/No
Threshold
Demod Faults
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?
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.
Function
Select the Internal high stability ovenized 10 MHz oscillator.
Select an external 1 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 1 MHz).
Select an external 5 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 5 MHz).
Select an external 10 MHz reference (accepts sine wave or square wave and locks the
internal reference to the 10 MHz).
RxData
DemodFaults
Settings
This alarm monitors data activity on the transmit data interface: Select Masked, Activity, or
AIS.
This alarm monitors the received data activity: Select Masked, Activity, or AIS.
This alarm monitors the receive Eb/No of the demodulator and compares it to the Eb/No
threshold value: Select Masked or Active.
This alarm will mask all demod faults and alarms: Select Masked or Active.
Eb/No Threshold
(E)
No Yes (E)
5–27
Revision 8
MN-SLM5650A