Maintenance M7/M7L/M7LT Modular Satellite Modem
3-38 M7/M7L/M7LT - Rev. 0.05
Control RS-485 Format
N,8,1
0 = N,8,1
1 = E,8,1
2 = O,8,1
3 = M,8,1
4 = S,8,1
Remote control data/stop bits
and parity. Always 8 data bits
and 1 stop bit. N= No Parity,
E = Even, M = Mark,
S = Space.
Control RS-485 Activity
Blink Online Lamp
0 = None,
1 = Beep,
2 = Blink Online Lamp,
3 = Beep & Blink Online
Audible “beep” and/or “Online”
LED Blink on Remote port
activity.
Reference Source
External
0 = Internal, 1 = External
Rear panel external
reference.
Reference Frequency
10.000MHz
0 =1.0,
1 =2.0,
2 =5.0,
3 =10.0 MHz
Reference input frequency at
rear panel. Only available if
set to external reference.
Internal reference fine
adjustment. Only available is
set to internal reference
Monitor Mode
Dem CXR Level
0 =Dmd CXR Level,
1 =Dmd Eb/No,
2 =Mod CXR Level
Selects source of analog
output on rear panel alarm
connector pins 5 and 6 on
connector J6 on the rear
panel.
Full scale setting for
maximum output voltage
Monitor Output Slope
Positive
0 = Positive,
1 = Negative
Setting the slope of the
Monitor output to be +X and
+Y or +X and -Y.
Monitor Input Threshold
+1.2 V
0.5V to 49.5V in 0.1V steps
Sets the trigger threshold for
the analog input signal on
pins 4 and 6 of the connector
J6 on the rear panel
Monitor Input Sense
Active High
0 = Active Low,
1 = Active High
Sets the sense for the analog
input monitor trigger.
Event Reference Alarm
Do Not Log
0 = Do Not Log
1 = Log
2 = Log & Send Alert
Selects whether to log the
status of the reference
oscillator alarm
Event IP Control Alarm
Do Not Log
0 = Do Not Log
1 = Log
2 = Log & Send Alert
Selects whether to log the IP
Control Port status alarm
Event OCXO Oven Alarm
Do Not Log
0 = Do Not Log
1 = Log
2 = Log & Send Alert
Selects whether to log the
OCXO Oven Mask alarm
(M7LT only)
Event Monitor Input Alarm
Do Not Log
0 = Do Not Log
1 = Log
2 = Log & Send Alert
Selects whether to log the
status of the analog input
alarm.
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